Answer: The reason is because of how fast it can be
Explanation:
The main reason why a heart attack caused by the blockage of the Left Anterior Descending Artery is referred to as widowmaker heart attack is simply because of how fast it can kill as the heart can stop very very fast and the reason for this is because the Left Anterior Descending Artery transports a huge amount of blood and oxygen to the heart and when this is stopped, the heart suffers immensely and could stop beating.
A heart attack caused by an obstruction in the proximal LAD artery can be highly dangerous and life-threatening. Blockage of this important artery can lead to a severe and extensive heart attack, often resulting in sudden cardiac death.
Explanation:A heart attack caused by an obstruction in the proximal LAD (left anterior descending) artery is sometimes referred to as the "widow maker" heart attack because it can be highly dangerous and life-threatening. The LAD artery supplies blood to a large portion of the heart muscle, including the front and main walls of the left ventricle, which is responsible for pumping oxygenated blood throughout the body. Blockage or complete occlusion of this important artery can lead to a severe and extensive heart attack, often resulting in sudden cardiac death.
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Which of the following risk factors can have an immediate impact on a person's health?
A.
eating too much junk food
B.
not exercising for at least 30 minutes a day
C.
not wearing a seat belt while driving
D.
smoking cigarettes
Answer:
Smoking cigarettes
Explanation:
smoking can have a high immediate impact on the health and affects the brain the respiratory, digestive, cardiovascular, gastrointestinal and immune systems by causing myriads of damage.
Answer:
C.
not wearing a seat belt while driving
Explanation:
The questions is asking for the "Immediate" Risk factor
In fact, if you don't wear your seat belt, you could be thrown into an opening airbag and be injured or even killed too. Try to adopt the habit of always putting your safety belt on every time you get into a vehicle. No matter where you are sitting or the distance you are going. Ask your passengers to buckle up also.
Which caregiver is most likely to be warm and nurturing, but sets very few limits on a child’s behavior?
Answer:
A babysitter
Explanation:
because they care for you and even grow to love you. They also have to keep you occupied so children will not start to get out of hand because of boredom.
Carlton, a 6-year-old boy, was playing on a sandy beach with his mother. He began to run along the shoreline when he stepped on the sharp edge of a shell, giving himself a deep cut on his foot. His mother washed his foot in the lake and put on his running shoe to take him home. One day later, Carlton’s foot looked worse. The gash was red and painful. The foot was warm to touch and appeared swollen. Carlton’s mom put some gauze over the wound and prepared to take him to the local community health clinic.
A. What is the physiologic mechanism causing the wound to become red, hot, swollen, and painful?
B. How is this different than the inflammatory response that might occur in an internal organ?
C. What are the immunologic events that are happening at the local level during Carlton’s acute inflammatory response?
Answer:
A skin infection occurs when there are too many germs for the white blood cells to fight and kill. The WBCs begin to expel chemicals into the wound site and this causes the redness and warmth in that area. The chemicals also cause fluid [plasma] leakage from the blood which causes swelling in that area. The swelling may stimulate the nerves which accounts for the pain.
* Inflammatory response in internal organs occurs when the damaged cells begin to release chemicals like histamine, bradykinin and prostaglandins. These chemicals cause blood vessels to leak, releasing plasma into the tissue and causing swelling in that area.
* The platelets in the blood cell are activated to stop the bleeding from the cut. The platelets also secrete chemicals called cytokines into the blood to start the healing process. They also alert the immune system which release several immune cells which begin scanning for germs in the blood. The macrophages start destroying the germs and disposing off the dead body cells. The T-cells and B- cells receive the signals from dendritic cells, which are activated by the macrophages. The T-cells and B-cells come into action and help the body fight off the germs.
At the site of the injury, swelling occurs due to concentration of different cells and tissue fluids in the area
The inflammation causing redness, warmth, swelling, and pain in Carlton's foot is due to the release of chemicals that increase blood flow and white blood cell accumulation at the injury site. Unlike skin, internal organs might not exhibit visible signs of inflammation but follow a similar immunologic process. Immune cells arrive at the site to neutralize pathogens and initiate healing.
Explanation:Physiologic Mechanism of Inflammation
The physiologic mechanism causing the wound on Carlton's foot to become red, hot, swollen, and painful is known as inflammation. When the sharp edge of a shell cut Carlton's foot, chemicals such as cytokines and histamines were released. These chemicals cause dilation of blood vessels, increased blood flow to the area, and the attraction of white blood cells, which leads to the appearance of warmth and redness. The increased blood flow and the accumulation of white blood cells and fluid lead to swelling and pain.
Difference in Inflammatory Response
While the inflammatory response in the skin involves redness and heat due to the dilated blood vessels and increased blood flow at the visible surface, an internal organ's inflammatory response may not show these external signs. The internal response still involves the same basic mechanism, but the signs may not be as immediately apparent, and symptoms can differ depending on the affected organ.
Immunologic Events in Acute Inflammatory Response
During Carlton's acute inflammatory response, several immunologic events are occurring at the local level. Histamine increases blood flow, causing the wound to swell and become warm. Phagocytes and other immune cells are brought to the wound site to neutralize any potential pathogens and begin the healing process. These immune cells will also work to clear cellular debris, setting the stage for tissue repair.
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If the incidence rate of a very serious disease is 25/100,000 person-years and the prevalence of this disease in the population is 75/100,000, what is the average survival time of individuals who contract this disease? [Assume the population is in steady state.
Answer:
Explanation:
Mathematiclly;
Prevalence of a diseases = product of disease incidence and the average survival time.
Prevelence = (incidence) X (average survival time.)
( 75/100,000 )= (25/100,000) X ????.
but 75/100,000 =0.00075. (Prevalence)
and 25/100,000= 0,0025. ( Incidence)
Therefore ;
AVERAGE SURVIVAL TIME = (PREVALENCE / INCIDENCE
= 0,00075/0,00025.
AVERAGE SURVIVAL TIME = 3 years.
Thus it took them a period of 3 years to survive from diagnosis till death.
By dramatically reducing her daily caloric intake, Marilyn plans to reduce her normal body weight by 10 to 15 percent. Research suggests that after three or four weeks of sustained dieting, Marilyn will a decrease her number of fat cells. b experience a decrease in her feelings of hunger. c have a lower set point for body weight. d have a lower resting metabolic rate. e have a lower fat cell count.
Final answer:
After three to four weeks of sustained dieting, Marilyn is most likely to experience a lower resting metabolic rate. Her body's adaptation to the reduced calorie intake results in a more efficient use of energy, making further weight loss more challenging. Exercise can mitigate this effect by increasing metabolic rate.
Explanation:
By dramatically reducing her daily caloric intake, Marilyn plans to lose a significant percentage of her body weight. However, research suggests that after three or four weeks of sustained dieting, the most likely outcome for Marilyn is d) have a lower resting metabolic rate. When individuals reduce their calorie intake significantly, the body adjusts by lowering its basal metabolic rate (BMR), to conserve energy. This adaptive response can make further weight loss more difficult, as the body becomes more efficient at using the energy it does receive.
Moreover, rather than experiencing a decrease in fat cell count, the fat cells tend to decrease in size but remain constant in number. This aspect can contribute to the common experience of regaining weight after ending a diet. It's also important to note that while dieting can cause initial weight loss, incorporating exercise can be beneficial as it raises the metabolic rate even when resting, potentially aiding the weight loss process.
Which is a factor that influences the development of cardiovascular disease?
smoking
growth of bacteria
lack of calcium
sun exposure
Smoking increases the development of cardiovascular disease.
According to the 2014 , Surgeon General’s Report on smoking and health, it was found that smoking is a major cause of cardiovascular disease (CVD) and causes approximately one of every four deaths from CVD.
Chemicals in cigarette smoke cause the cells that line blood vessels to become swollen and inflamed. This can narrow the blood vessels and can lead to many cardiovascular conditions.
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JB is a 67 year-old man who works as a driller in the oil fields, has a history of coronary artery disease (CAD) and has developed tachycardia. He has a history of asthma and is a chronic smoker. Which of the following medications would be the most appropriate to lower his heart rate?propranololA. ClonidineB. metoprololC.DobutamineD. Prazosin
Answer:
The correct answer is - option B. metoprolol.
Explanation:
The beta blocker drugs are drugs helps in coronary artery diseases as well as hypertension. Propranolol and metoprolol are two best beta blocker drugs used in the tachycardia .
The mechanism of the the beta blockers is to lower the pressure on the walls of the arteries to lower the hypertension. The nurse need to provide higher dose of beta blockers.
Thus, the correct answer is - option B. metoprolol.
Characters in folk literature are typically easily identifiable as good or bad
True
False
Answer:
True characters are usually easily identifiable in folk literature
Answer:
True
Explanation:
The characters in folk literature are usually direct, simple and straightforward to identify. They are typically either extremely good or entirely evil and very easy to identify. They have no deeper feelings and are rarely disturbed by mental torment.
The article was headlined, "Two Cups of Coffee Can Reduce the Risk of Liver Disease, Study Finds." A meta-analysis, based on combining nine previous studies involving 430,000 individuals, concluded that consumption of two cups of coffee a day reduced the chance of cirrhosis of the liver by 44 percent; even greater consumption was found to further reduce the risk of the disease.
a. The response variable in this study is:
b. not given in the quote above.
c. incidence of cirrhosis of the liver.
d. coffee consumption.
e. There is no response variable because it is a meta-analysis.
Answer: Option C
Explanation:
The article states that 2 cups of coffee a day reduces the risk of liver cirrhosis. But if the quantity of coffee is increased more than two cups a day then its consumption can be a preventive measure of liver cirrhosis .
In this disease the liver does not functions properly. This is caused to long term use of alcohol, hepatitis B or long term disease.
The increased consumption of coffee favors the prevention of liver cirrhosis and many more liver diseases.
If you ate a large bowl (~1.5 cups) of the Bran Flakes with Raisins cereal, how many Calories did you consume from the cereal (not including the milk)
Answer: I believe you would consume 285 calories from the cereal without milk.
Explanation: Given that one serving(1 cup) is equal to 59 grams.
Then the calories per serving is 190.
You ate 1.5 cups (1 1/2 cups) Divide 190 by 2
190/2 = 95
190 + 95 = 285
A cup of skim milk has 8 grams of protein and the Daily Value for protein is 50 grams. What is the % Daily Value for protein in a cup of milk? a. 6 percent b. 16 percent c. 30 percent d. 24 percent e. 8 percent
Answer:
B) 16 percent
Explanation:
In the given question, it is mentioned that
the total consumption of protein should be 50 g
But a cup of milk contains only 8 g
Therefore the cup of milk contains only some percent of the total milk consumption which can be calculated as follows:
[tex]\dfrac{\text{amount of protein consumed}}{\text{total amount of protein}}\times 100[/tex]
[tex]=\dfrac{8}{50}\times 100\\\\=16\%[/tex]
Thus, option-B is the correct answer.
Answer:
16 percent
Explanation:
Milk is one of the most important component of the diet. Milk contains carbohydrates, protein fats and other animals.
The % Daily Value for protein in a cup of milk can be calculated as follows;
Protein percentage% = Given amount of protein / Daily value of protein.
Given amount of protein = 8 grams and Daily value of protein = 50 grams.
Protein percentage = 8 / 50 × 100.
Protein percentage = 16%.
In the given question, it is mentioned that
Thus, option-B is the correct answer.
_____ has been defined as the ongoing, systematic collection, analysis, and interpretation of data essential to the planning, implementation, and evaluation of public health practice.
Answer: Public health surveillance.
Explanation: Surveillance is the collection of data, the data which helps to know about problems of health and disease. This data after analysis is essential for taking steps for prevention. Vaccine if needed to be developed for prevention, then this plays an important role.
What condition is indicated by the absence of sweating with hot, dry skin and an elevated core temperature of 104ºF or higher?
Heat stroke
Explanation:
Heat stroke symptoms
Body gets overheated to an elevated temperature of 104°F or higherNo sweat or perspirationHot and dry skinDifficulty to breatheHigh pulse rateSeizuresHallucinations or disorientationUnconsciousness or comaCan cause deathTo prevent heat strokes
Stay hydratedStay indoorsAvoid over exhaustionWear light airy clothesHeat stroke is the condition indicated by absence of sweating, hot dry skin and elevated core temperature
Explanation:
Prolonged exposure to high temperature causes a heat stroke. This is usually accompanied with dehydration which impairs the body’s temperature control system and elevates the core body temperature to 104 degree Fahrenheit.
This affects the central nervous system and causes neurological symptoms like dizziness, headache, seizures, unconsciousness, confusion, staggering, and disorientation.
Other symptoms include
Hot and dry skin due to lack of sweating in spite of extreme heat exposure Rapid heartbeat and breathing Muscle cramps Nausea and vomiting due to dehydrationHow do different types of training that a health care organization provides similar and different from each other?
Answer:
There are several types of employee training programs. Employees may receive basic literacy training, interpersonal skills training, technical training, problem-solving training and diversity or sensitivity training. Each type of training targets a different facet of an organization's overall culture and performance.
Different types of training are
Technical or Technology Training.
Quality Training.
Skills Training.
Soft Skills Training.
Professional Training and Legal Training.
Team Training.
Managerial Training.
Safety Training.
1. Industrial hygienists are trained to anticipate, recognize, evaluate, and recommend controls for environmental and physical hazards. true or false
Answer:
True
Explanation:
To the best of my knowledge, Industrial hygienists analyze, identify, and measure workplace hazards or stresses that can cause sickness, impaired health, or significant discomfort in workers through chemical, physical, ergonomic, or biological exposures.
Various Streptococci and Lactobacilli were traditionally grouped together as lactic acid bacteria because of their characteristic fermentation. Most of them were found to have a DNA guanine plus cystosine (G + C) content of approximately 40%, but one of them had a G + C content of 58%. Should this organism remain in the same genus as the rest of the bacterial species? Explain your answer.
Answer:
Yes! it should remain in the same genus...
Explanation:
Although most of them have a 40% GC content but some species of for example lactobaccilus may have more GC than that e.g., Lactobacillus delbrueckii has a GC content of 62% while Lactobacillus fermentum has a GC content of 63% and both of them also belong to the same genus. So, it should remain in same Genus classification.
To receive a diagnosis of substance use disorder, an individual must satisfy at least two diagnostic criteria, one of which has to be a symptom of physical dependence (tolerance or withdrawal).
a. True
b. False
Answer: TRUE
Explanation: Substance use disorder is also known as drug use disorder. This can be described as a condition which results when chemical substances used causes clinically significant impairment or distress. The drugs that belongs to this class includes:
-alcohol
- hallucinogens
-caffeine.
To receive a diagnosis of substance use disorder, an individual must satisfy at least two diagnostic criteria, one of which has to be a symptom of
- physical dependence (tolerance or withdrawal).
- persistent use of the chemical substance or drug even with the knowledge of the harm it causes. I hope this helps. Thanks.
A nutrition facts label can be found on the packaging of most food items. The label describes the nutritional composition of the food. In the United States, federal law requires that the amounts of certain nutrients be given, though manufacturers sometimes add additional information.
Consider the following minimal nutrition facts label describing the nutritional composition of oranges.
Nutrition Facts for One Medium Orange (131 g)
Calories 72 Calories from Fat 0
% Daily Value*
Total Fat 0 g 0%
Saturated Fat 0 g 0%
Cholesterol 0 mg 0%
Sodium 1 mg 0%
Total Carbohydrate 17 g 6%
Fiber 3 g 12%
Sugars 10 g
Protein 1 g
Vitamin A 7% Vitamin C 130%
Calcium 5% Iron 1%
* Percent Daily Values are calculated based on a 2,000 calorie diet.
Based on the label, is this food:
(A) a source of amino acids?
(B) a source of fatty acids?
(C) a source of fuel molecules that supply energy?
Based on the label, _______ is the most abundant macronutrient in oranges.
Oranges provide amino acids in small amounts and serve as substantial sources of fuel molecules for energy due to their carbohydrate content. However, they do not offer fatty acids. The most abundant macronutrient in oranges is carbohydrates.
Explanation:Based on the nutrition facts of the orange, it can be identified that the food is:
(A) A minor source of amino acids as indicated by the 1g of protein. Amino acids are the building blocks of proteins.
(B) Not a source of fatty acids since total fat content is 0g.
(C) A source of fuel molecules that supply energy. The 72 calories indicate energy that can be utilized by the body. The carbohydrate content (17g) is the key contributor to this energy.
Based on the label, the most abundant macronutrient in oranges is carbohydrates, specifically in the form of sugars and fiber.
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Which of the following medication decrease the hepatic production of glucose?a) Biguanidesb) Meglitinidesc) Alpha-glucosidase inhibitorsd) Sulfonylureas
Answer: a) Biguanides
Explanation:
It is known that the patients of type 2 diabetes mellitus are characterized by insulin resistance. It is characterized by the decrease in insulin levels by the insulin mediated glucose uptake by the peripheral tissues. This is also responsible for the increase in rate of haptic glucose production.
Biguanides are used to slow down the increasing rates of hepatic gluconeogenesis. This is done by inhibiting the two key enzymes of hepatic gluconeogenesis.
Answer:
a) Biguanides
________ knowledge tends to be ingrained in a person's mind, and often the person may not realize that he possesses it.
Answer: Tacit
Explanation:
The tacit knowledge can be defined as the ideas, expertise, and skills that people have but they do not realize about it and these skills are easily expressed.
With the tacit knowledge one does not aware the fact that one is actually possessing the knowledge and how this can be valuable for others.
The ability to speak an international language, play an instrument, designing something all are the examples of tacit knowledge.
Which are the followings are true about Vitamin B1? A. Lack of it causes neurological diseases B. Its derivative is involved in the pyruvate to acetyl-CoA reaction D. Its derivative is involved in the alpha-ketoglutarate to succinyl-CoA reaction
Answer:
True statements about vitamin B1
A. Lack of it causes neurological diseased
B. Its derivative is involved in the pyruvate to acetyl-CoA reaction.
There’s important to say that OPTION C IS MISSING!
Explanation:
The lack of vitamin B1 can cause Beriberi. This issue can affect the nervous system. Thiamine deficiency is responsible for the Korsakoff syndrome too, which is a neurological disorder. Because of this, answer A is correct. When it comes to option B, it is true because Thiamine Triphisphate (ThTP) is a derivative involved in the pyruvate to acetyl-CoA reaction. Option D is wrong because it’s derivatives are involved in different metabolic processes.
In South Korea, there are thousands of professional mediators, called manshin. What is their role? direct communication with multitudes of gods and spirits teaching traditional medicine teaching the legal aspects of marriage and divorce mediating interpersonal conflicts between spouses mediating interpersonal conflicts between parents and children
Answers:
To the best of my knowledge the spirit of the shaman known in Korea as manshin. I learnt hat gods, spirits or ancestors descend into the shaman, so that the shaman becomes a god herself. Besides there's an Asian movie called manshin . I think you will learn alot from it thanks
I hope this helps
All of these items followed the direction of the arrow EXCEPT A) measles. B) syphilis. C) tobacco. D) tomato.
Answer:
The answer would most likely be D.) Tomato. Was there any chart or photo attached to this question?
Answer: All of these items followed the direction of the arrow EXCEPT A) measles. B) syphilis. C) tobacco. D) tomato.
Explanation:
This is supposed to be the picture attachted to it.
Mary is comparing light potato chips to regular potato chips. What is the difference? a. The light potato chips are lower in weight. b. The light potato chips are lighter in texture. c. The light potato chips are lighter in color. d. The light potato chips have been cooked in olive oil. e. The light potato chips are lower in calories.
Answer: Option E
Explanation:
When regular chips are compared with the light chips then the comparison is made between calories that both the chips has in it.
The regular chips will have more calorie in it and the light potato chips will have less calories in it. Potatoes are fried in oil and it gains a lot of calories because of the being fried.
The light chips are usually not fried and are usually baked so there is a negligible amount of oil used in this process which makes it more fit to be consumed and has less calories in it.
Final answer:
The term 'light' in light potato chips primarily refers to them being lower in calories compared to regular potato chips, offering a healthier alternative by altering the cooking process or ingredients.So,option e. The light potato chips are lower in calories is correct.
Explanation:
The question "Mary is comparing light potato chips to regular potato chips. What is the difference?" addresses differences in the properties or characteristics of light versus regular potato chips. The correct answer is e. The light potato chips are lower in calories. This is because light potato chips are typically designed to offer a healthier alternative to regular potato chips by reducing the calorie content, which is often achieved through changes in the cooking process or ingredients. For instance, they might be baked instead of fried, use a different kind of oil, or incorporate less salt and seasoning, contributing to lower calorie content.
While the weight, texture, color, and cooking oil can indeed vary between different brands or types of chips, the designation 'light' specifically refers to a lower calorie content. This distinction is especially relevant in a health context, considering the nutritional implications of consuming high-calorie snack foods.
Phil is 50 years old. What recommendation should he follow in regard to the number of repetitions in his weight training program?
Answer:
The correct answer is - 10 to 15.
Explanation:
Weight training program is a program that helps in the achieving the desired weight in a particular time and with proper training plan of action. Weight training program includes repetitions and sets.
Repetitions or the rep is the number of times you perform a specific exercise and sets are the cycles of the reps in a particular exercise. In age of 50 the number of reps are 10 to 15 as per individual.
Thus, the correct answer is - 10 to 15.
Answer:
The answer is 10 - 15
Explanation:
Weight training program is a type of training that aids in the development of muscle size and strength with the use of weight gaining equipment. At age 50, the repetition or number of reps will be from 10 - 15 to get the desired outcome.
A group of volunteers for a clinical trial consists of 88 women and 87 men. 20 of the women and 17 of the men have high blood pressure. Are high blood pressure and gender independent? Explain.
Answer:
High pressure and gender are independent
Explanation:
High pressure and gender are two distinct variables that are not dependent on one other , although some studies have affirmed that high blood pressure is rampant among a specific gender than the other, some other studies have stated otherwise. Lifestyle behavior and how we react to it is generally the causes of high blood pressure, so breaking it down, causes of high blood pressure have been found to be same on some occasions in both genders, while some might be gender specific.
Conclusively, High blood pressure is not caused by the mere reason of being a particular gender therefore making the both variables independent.
By comparing the proportions of men and women who have high blood pressure, we find that they are not equal, suggesting that high blood pressure and gender are not independent. However, this is not definitive proof of a correlation.
Explanation:To determine whether high blood pressure and gender are independent, you can calculate the proportion of women and men who have high blood pressure, and then compare those proportions.
Out of 88 women, 20 have high blood pressure, which means approximately 22.7% (20/88 = 0.227) have high blood pressure.
Out of 87 men, 17 have high blood pressure, which means approximately 19.5% (17/87 = 0.195) of men have high blood pressure.
If gender and high blood pressure were independent, we would expect the proportions of men and women with high blood pressure to be approximately equal. However, the proportions are not equal, so we can say that high blood pressure and gender are not independent.
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As a health education specialist for a large national voluntary health agency, you are charged with promoting a new internet-based screening tool for breast cancer risk. It has already been beta tested and the research has been promising; now the agency wants to go public with it and encourage its use by the priority population of at risk women in America. Using diffusion theory as your guide, you choose to focus your initial promotional efforts on:
A.innovators-personally contacting women researching breast cancer and asking them to use the tool with their patients
B.early adopters-presenting research results in professional meetings and publications in order to catch the eye of respected opinion leaders
C.early majority-use mass media to directly reach out to large numbers in priority populations
D.laggards-use multiple efforts to appeal to members of the priority populations who are doubtful of the usefulness of the tool.
Answer: C.early majority-use mass media to directly reach out to large numbers in priority populations
Explanation:
Diffusion theory of innovation suggests that how, why and at what rate the new ideas, opinions, technology and innovations spread among public from the innovators. The theory suggests that there are four main elements that influence the spread of the new ideas, innovations by itself, through communication channels, and via social system.
According to the given situation, mass media can reach upto a large mass worldwide and can spread the information about the tool for breast cancer. This is likely to remove any kind of doubts and will promote the sales according to the needs of the priority patients worldwide.
If Jacques were to hold his breath the air in his lungs would be kept at a constant temperature. Would it be safe for Jacques to hold his breath while ascending from the bottom of the lake to the surface
Answer:
No, it would not be safe
Explanation:
When you ascend in water, the air inside your lungs is no more safe. In a case where you hold your breath when you are ascending to the surface of the lake, your lungs and the air inside will expand because the pressure of water is reduced. Since the lung is an enclosed organ, the air has nowhere to go, and thus keeps swelling against your lung walls, despite the ability of the lung to expand finitely. Exactly as it is when too much air is pumped into a balloon, it pops; same way the lung can collapse or tear. When your lungs over-expand, air bubbles enter your bloodstream or excess pressure in your heart, and these are both fatal happenings.
Eduardo’s father, a heavy smoker, died fairly young from lung cancer. Eduardo looks at his small children and wants to lead a long and healthy life. What should be his focus? a. Avoiding unnecessary risks b. Periodic screening tests c. Researching his father’s health history d. Lifestyle factors
Answer: D Lifestyle factors
Explanation:
He doesn't need to have the same lifestyle as his father when it comes to smoking
A runner burns 3.51×103kJ during a five-mile run. How many nutritional Calories did the runner burn?
Answer: The runner burnt 14.625 cal.
Explanation: KiloJoule and Calories are two unit of energy.
To convert kJ in cal:
1kJ = 0.24Kcal
3.51.10³ kJ = x
x = [tex]\frac{3.51.10^{3} }{0.24}[/tex]
x = 14.625.10³ Kcal
However, it is asked for calories, not kilocalories. So, to find that it is only needed to divide the number by 1000 or multiply by [tex]10^{-3}[/tex]:
14.625.10³.[tex]10^{-3}[/tex] = 14.625 cal
The runner burn 14.625 nutritional calories.