Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 2, Problem 3AWK
Many people use cholesterol-lowering drugs to reduce their high cholesterol, because they know that a high cholesterol level is a risk factor for heart disease. Would it be advisable to take a little extra dose of these drugs to try to lower your cholesterol to below normal levels, just to be on the safe side?
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Chapter 2 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 2 -
1. Who do you think should be responsible for...Ch. 2 - Prob. 2QCCh. 2 - Describe the electrical charges and relative...Ch. 2 -
2. Explain why two atoms of hydrogen tend to...Ch. 2 -
3. Explain why polar and charged molecules tend...Ch. 2 - How is a covalent bond different from an ionic...Ch. 2 - Compare and contrast potential energy and kinetic...Ch. 2 - Distinguish between saturated and unsaturated...Ch. 2 - Describe the process known as dehydration...Ch. 2 - Explain why proteins come in an almost unlimited...
Ch. 2 -
9. Discuss the importance of enzymes in living...Ch. 2 -
10. Describe the role of ATP in energy transfer...Ch. 2 - If a molecule of starch is repeatedly hydrolyzed,...Ch. 2 - Which of these molecules would be described as...Ch. 2 -
3. _______bonds form between the oxygen and...Ch. 2 - 13C and 14C are ______ of carbon. a. isotopes b....Ch. 2 - Which of the following substances has the lowest...Ch. 2 - When sugar is dissolved in water, sugar is the...Ch. 2 - A monosaccharide is to a polysaccharide as an...Ch. 2 -
8. Which of these bonds is the easiest to...Ch. 2 -
9. The primary structure of a protein is...Ch. 2 -
10. DNA ultimately contains the instructions for...Ch. 2 - If one strand of DNA has the sequence...Ch. 2 - Which of the following is true regarding the...Ch. 2 -
13. Which of the following is true regarding...Ch. 2 - Synthesis of proteins requires the input of...Ch. 2 - Prob. 15TYCh. 2 - Prob. 1AWKCh. 2 - Prob. 2AWKCh. 2 - Many people use cholesterol-lowering drugs to...Ch. 2 - Prob. 4AWKCh. 2 -
5. Coca-Cola is a very acidic drink; its pH is...
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- What steps a person can take to maintain healthy cholesterol levels and prevent heart disease?arrow_forwardIdentify ALL of the following which are TRUE regarding cholesterol and disease: if an artery leading to the heart is blocked, a heart attack could result O Artery inflammation can increase the risk of clots and thromboses; this could lead to arterial blockage (reduced blood flow in an artery) blood vessel inflammation can become self-perpetuating; where inflammation occurs, it becomes more likely that inflammation will continue, especially when blood LDL are high and HDL are low An arterial plaque can increase the chance of developing hypertension exercise has no effect on blood cholesterol dietary artificial trans fats seem to increase LDL and decrease HDL more than both dietary saturated fats and dietary cholesterol in most people (that is, trans fats are worse than sat fats and cholesterol) if a product lists "partially hydrogenated" oil as an ingredient, it contains some trans fat even if it is less than .5 g per serving. hypertension can put extra strain on the heart and increase…arrow_forwardPotassium is a necessary nutrient in order to maintain the function of our cells. What would occur to a person that is deficient in potassium?arrow_forward
- Which of the following statements is not true? a. Essential nutrients can be synthesized by the body. b. Vitamins are required in small quantities for bodily function. c. Some amino acids can be synthesized by the body, while others need to be obtained from diet. d. Vitamins come in two categories: fat-soluble and water-soluble.arrow_forward.Suppose A person neighbor tells you one day about his mother (85 years old) who "has been given tablets for her moderately elevated cholesterol levels". The doctor said they are good and common first-line drugs. "anti-cholesterol" and wonder why her mother did not get this, new drugs? a.) What kind of "tablets" did your neighbor's mother probably get? b.) The mechanism of action of this type of preparation? c.) Is there a typical special side effect to watch out for.?arrow_forwardHow would you educate a client (at risk of developing high cholesterol) about "good" and "bad" cholesterol? Which lifestyle changes could reduce the person's risk of high cholesterol in the future?arrow_forward
- What are vitamins and how are they classified? List the specific vitamins that fall under each classification. Which classification of vitamins is potentially more toxic to the body? Explain why? List the four fat-soluble vitamins and their respective roles/functions for overall health AND athletic performance? What are free radicals? Where do they come from and what effect do they have on the body? What are antioxidants? Which vitamins and related compounds serve as antioxidants in the body? Briefly describe how they work in the body?arrow_forwardIn the following examples, a state of affairs is described. Devise two theories to explain each one. Include one theory that you consider plausible and one theory that you think is not plausible. Scientists have discovered that there is a direct correlation between fat in people’s diets and heart disease. The more fat, the greater the risk of heart disease.arrow_forwardFor people who want to lose weight, one of the most popular diets is a protein-rich, carbohydrate, and fat-free diet. One risk of this diet is the formation of kidney stones. Explain whyarrow_forward
- Discuss the importance of micronutrients and their function in the body. Choose two micronutrients and discuss the signs and symptoms of toxicity and deficiency for each nutrient.arrow_forwardThe health department in your area has asked you to consult with them on a plan to reduce the prevalence of high cholesterol. They specifically want to increase the use of screening tests to help them find people that have high cholesterol. Answer the following questions to help the Health Department gather the needed information. Why is it important to find people that have high cholesterol in the community? What diseases have high cholesterol as a risk factor? Do most people know when they have high cholesterol? Explain why or why not. Describe at least 3 criteria that would need to be met to consider a cholesterol screening test for use. Discuss how you would implement cholesterol screening in the community, when or where would you have people screened?arrow_forwardA patient with type 2 diabetes wants to improve their blood glucose control through dietary changes.Which of the following strategies would best align with current dietary recommendations for managing blood glucose levels? A) Consuming primarily protein-based meals to avoid carbohydrates.B) Adopting an exclusively high-fat, low-carb ketogenic diet.C) Incorporating a consistent carbohydrate diet with a focus on low glycemic index foods.D) Eliminating all forms of sugar, including fruits and whole grains, from their diet.arrow_forward
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