Chapter 19 Flashcards
One gram of fat contains more energy than 2 grams of protein.
TRUE or FALSE
One gram of fat contains more energy than 2 grams of protein.
TRUE
The metabolic rate of an awake, relaxed person, 12 to 14 hours after eating, at a comfortable temperature is known as the A. average metabolic rate. B. basal metabolic rate. C. oxidative metabolic rate. D. metabolic rate.
The metabolic rate of an awake, relaxed person, 12 to 14 hours after eating, at a comfortable
temperature is known as the
B. basal metabolic rate.
The main factor determining differences in energy requirements of individuals of similar gender and weight is the difference in A. physical activity. B. genetics. C. body temperature. D. height.
The main factor determining differences in energy requirements of individuals of similar gender and
weight is the difference in
A. physical activity.
Metabolic rate can be measured by the
A. amount of heat generated by the body.
B. heart and respiration rates.
C. amount of oxygen consumed by the body.
D. amount of heat generated and the amount of oxygen consumed by the body.
Metabolic rate can be measured by the
D. amount of heat generated and the amount of oxygen consumed by the body.
A positive energy balance occurs when
A. energy expenditures are greater than the calorie value of food.
B. energy expenditures balance the calorie value of food.
C. the calorie value of food is greater than energy expenditures.
D. you lose weight.
A positive energy balance occurs when
C. the calorie value of food is greater than energy expenditures.
What is the average energy expenditure for an active man not engaged in heavy manual labor? A. 2100 kcal/day B. 2500 kcal/day C. 2900 kcal/day D. 3200 kcal/day
What is the average energy expenditure for an active man not engaged in heavy manual labor?
A. 2100 kcal/day
Reactions that involve synthesis of DNA, proteins, and other molecules are considered A. anabolic. B. hydrolytic. C. catabolic. D. degradation.
Reactions that involve synthesis of DNA, proteins, and other molecules are considered
A. anabolic.
Individuals consuming diets containing omega-3 fatty acids are less likely to develop cardiovascular
disease.
TRUE or FALSE
Individuals consuming diets containing omega-3 fatty acids are less likely to develop cardiovascular
disease.
TRUE
There are nine essential amino acids and 2 essential fatty acids.
TRUE or FALSE
There are nine essential amino acids and 2 essential fatty acids.
TRUE
If an unsaturated fatty acid chain is 22 carbons long and the first of three double bonds is at the fifth
carbon from the methyl end, it would be an
A. omega-5 fatty acid.
B. omega-22 fatty acid.
C. omega-3 fatty acid.
D. omega-16 fatty acid.
If an unsaturated fatty acid chain is 22 carbons long and the first of three double bonds is at the fifth
carbon from the methyl end, it would be an
A. omega-5 fatty acid.
Fatty acids which have double bonds between the carbons are called saturated fatty acids.
TRUE or FALSE
Fatty acids which have double bonds between the carbons are called saturated fatty acids.
FALSE
If an individual consumes excess calories in the form of carbohydrates, the excess energy is stored as A. glycogen. B. structural carbohydrates. C. fat. D. skeletal muscle.
If an individual consumes excess calories in the form of carbohydrates, the excess energy is stored
as
C. fat.
Which of the following is NOT an essential amino acid? A. leucine B. valine C. lysine D. proline
Which of the following is NOT an essential amino acid?
D. proline
Which of the following is NOT a fat-soluble vitamin? A. vitamin E B. vitamin A C. vitamin C D. vitamin D
Which of the following is NOT a fat-soluble vitamin?
C. vitamin C
The vitamin D derivative calcipotriene is used to treat the skin condition A. pellagra. B. beriberi. C. scurvy. D. psoriasis.
The vitamin D derivative calcipotriene is used to treat the skin condition
D. psoriasis.
Wound healing would be delayed due to a lack of A. vitamin E. B. vitamin C. C. potassium. D. vitamin A.
Wound healing would be delayed due to a lack of
B. vitamin C.
Strict vegetarians may be susceptible to A. pernicious anemia. B. night blindness. C. pellagra. D. scurvy.
Strict vegetarians may be susceptible to
A. pernicious anemia.
Which of the following acts as an antioxidant within the body? A. vitamin C B. vitamin A C. vitamin K D. niacin
Which of the following acts as an antioxidant within the body?
A. vitamin C
Blood clotting requires A. vitamin C. B. vitamin D. C. vitamin K. D. vitamin E.
Blood clotting requires
C. vitamin K.
Which of the following is NOT a function of derivatives of water-soluble vitamins?
A. coenzymes in metabolism of carbohydrates, lipids, and proteins
B. forming hydrogen carriers NAD and FAD
C. cofactors for enzymes
D. intestinal absorption of calcium and phosphate
Which of the following is NOT a function of derivatives of water-soluble vitamins?
D. intestinal absorption of calcium and phosphate
Which vitamin and its deficiency is NOT correctly matched? A. vitamin B1 - beriberi B. folate - pernicious anemia C. niacin - pellagra D. vitamin D - rickets
Which vitamin and its deficiency is NOT correctly matched?
B. folate - pernicious anemia
Which of the following minerals is needed only in trace amounts by the body? A. sodium B. potassium C. iron D. calcium
Which of the following minerals is needed only in trace amounts by the body?
C. iron
Which of the following is NOT true of oxidative stress?
A. protects from development of type 2 diabetes mellitus.
B. contributes to aging and degenerative diseases associated with aging.
C. promotes the malignant growth of cancers.
D. contributes to all inflammatory diseases.
Which of the following is NOT true of oxidative stress?
A. protects from development of type 2 diabetes mellitus.
Tissue damage by free radicals is prevented to some extent by all of the following EXCEPT A. beta-carotene. B. vitamin C. C. vitamin D. D. vitamin E.
Tissue damage by free radicals is prevented to some extent by all of the following EXCEPT
C. vitamin D.
Superoxide radicals have which of the following beneficial effects? A. killing bacteria B. promote proliferation of fibroblasts C. promote proliferation of lymphocytes D. All of the choices are correct.
Superoxide radicals have which of the following beneficial effects?
D. All of the choices are correct.
Excessive production of free radicals that can damage lipids, proteins, and DNA is called A. inflammation. B. antioxidation. C. oxidative stress. D. quenching.
Excessive production of free radicals that can damage lipids, proteins, and DNA is called
C. oxidative stress.
A free radical has A. paired electrons. B. unpaired electrons. C. unbonded electrons. D. bonded electrons.
A free radical has
B. unpaired electrons.
The nitric oxide radical promotes vasodilation.
TRUE or FALSE
The nitric oxide radical promotes vasodilation.
TRUE
Oxidative stress is associated with many diseases because of the buildup of free radicals in the nucleus
of aerobic cells.
TRUE or FALSE
Oxidative stress is associated with many diseases because of the buildup of free radicals in the nucleus
of aerobic cells.
FALSE
Which of the following is NOT an enzymatic protection against oxidative stress? A. catalase B. superoxide dismutase C. alpha-tocopherol D. glutathioneperoxidase
Which of the following is NOT an enzymatic protection against oxidative stress?
C. alpha-tocopherol
Which of the following is NOT an endogenous source of ROS (reactive oxygen species)? A. peroxisomes B. UV light C. mitochondria D. NADPH oxidase
Which of the following is NOT an endogenous source of ROS (reactive oxygen species)?
B. UV light
Which of the following is NOT an exogenous cause of ROS (reactive oxygen species) production? A. catalase B. drugs C. environmental toxins D. ionizing radiation
Which of the following is NOT an exogenous cause of ROS (reactive oxygen species) production?
A. catalase
What is the major nonenzymatic protective mechanism against oxidative stress? A. ascorbic acid B. alpha-tocopherol C. beta-carotene D. glutathione
What is the major nonenzymatic protective mechanism against oxidative stress?
D. glutathione
Which of the following is NOT a nonenzymatic protection against oxidative stress? A. hydrogen peroxide B. glutathione C. ascorbic acid D. alpha-tocopherol
Which of the following is NOT a nonenzymatic protection against oxidative stress?
A. hydrogen peroxide
Primary energy reserves include glycogen and fat.
TRUE or FALSE
Primary energy reserves include glycogen and fat.
TRUE
The preferred energy source for resting skeletal muscle is (are) A. glucose. B. glycogen. C. fatty acids. D. protein.
The preferred energy source for resting skeletal muscle is (are)
C. fatty acids.
The only energy source for the brain is A. glucose. B. glycogen. C. fatty acid. D. protein.
The only energy source for the brain is
A. glucose.
Which of the following is NOT a circulating energy substrate? A. glucose B. glycogen C. fatty acids D. amino acids
Which of the following is NOT a circulating energy substrate?
B. glycogen
Where is the major site of body energy storage? A. brown fat B. liver C. white fat D. inside skeletal muscle cells
Where is the major site of body energy storage?
C. white fat
The body’s adipostat works in a negative feedback way to maintain adipose tissue to keep you from
losing weight.
TRUE or FALSE
The body’s adipostat works in a negative feedback way to maintain adipose tissue to keep you from
losing weight.
TRUE
Lipolysis is the process by which triglycerides are stored in adipocytes.
TRUE or FALSE
Lipolysis is the process by which triglycerides are stored in adipocytes.
FALSE
A very thin female would have low amounts of leptin and may enter puberty late or experience
amenorrhea.
TRUE or FALSE
A very thin female would have low amounts of leptin and may enter puberty late or experience
amenorrhea.
TRUE
Obesity in adults results primarily from adipocyte hyperplasia.
TRUE or FALSE
Obesity in adults results primarily from adipocyte hyperplasia.
FALSE
The nuclear receptor protein required for differentiation of \_\_\_\_\_\_\_\_ is PPARγ (perioxisome proliferator activated receptor γ). A. erythrocytes B. fibroblasts C. adipocytes D. reticulocytes
The nuclear receptor protein required for differentiation of ________ is PPARγ (perioxisome
proliferator activated receptor γ).
C. adipocytes
Destruction of which cell type in the fetus would affect adipocyte number in the adult? A. myoblasts B. neuroblasts C. epiblasts D. fibroblasts
Destruction of which cell type in the fetus would affect adipocyte number in the adult?
D. fibroblasts
__________ is an adipose tissue hormone that stimulates glucose utilization and fatty acid oxidation
in muscle cells thereby producing an insulin-sensitizing, antidiabetic effect.
A. Leptin
B. Adiponectin
C. TNF alpha
D. Resistin
__________ is an adipose tissue hormone that stimulates glucose utilization and fatty acid oxidation
in muscle cells thereby producing an insulin-sensitizing, antidiabetic effect.
B. Adiponectin
Insulin resistance may be stimulated by elevated concentrations of all of the following EXCEPT A. tumor necrosis factor alpha. B. resistin. C. adiponectin. D. retinol binding protein 4.
Insulin resistance may be stimulated by elevated concentrations of all of the following EXCEPT
C. adiponectin.
Low leptin levels are found in cases of starvation, anorexia, and bulimia.
TRUE of FALSE
Low leptin levels are found in cases of starvation, anorexia, and bulimia.
TRUE
Which of the following are NOT signs of decreased leptin secretion? A. decline in helper T abilities B. delayed onset of puberty C. menstrual abnormalities D. increased hunger
Which of the following are NOT signs of decreased leptin secretion?
D. increased hunger
Exercising at low or moderate intensity promotes use of fatty acids by skeletal muscle.
TRUE or FALSE
Exercising at low or moderate intensity promotes use of fatty acids by skeletal muscle.
TRUE
The risk of cardiovascular disease is increased
A. in someone with a “pear shaped” body.
B. in someone with an “apple shaped” body.
C. in someone with a BMI less than 30.
D. in someone with little intra-abdominal fat.
The risk of cardiovascular disease is increased
B. in someone with an “apple shaped” body.
Fat cells are less sensitive to insulin in A. obese individuals. B. anorexic individuals. C. individuals who do not exercise. D. individuals at their optimal weight.
Fat cells are less sensitive to insulin in
A. obese individuals.
The BMI of a female weighing 130 pounds with a height of 68 inches would be closest to A. 2.4. B. 19.8. C. 76.5. D. 34.8.
The BMI of a female weighing 130 pounds with a height of 68 inches would be closest to
B. 19.8.
A female with a BMI of 25.5 would be considered A. obese. B. overweight. C. healthy. D. too thin.
A female with a BMI of 25.5 would be considered
B. overweight.
A BMI of over \_\_\_\_ is considered obese. A. 20 B. 25 C. 30 D. 35
A BMI of over ____ is considered obese.
C. 30
Which of the following is NOT true of metabolic syndrome? A. hypotension B. insulin resistance C. dyslidipemia D. central obesity
Which of the following is NOT true of metabolic syndrome?
A. hypotension
Hyperphagia is produced by destroying the ventromedial area of the hypothalamus.
TRUE or FALSE
Hyperphagia is produced by destroying the ventromedial area of the hypothalamus.
TRUE
Ghrelin is postulated to be important as a satiety factor.
TRUE or FALSE
Ghrelin is postulated to be important as a satiety factor.
FALSE
The arcuate nucleus is a region of the thalamus involved in hunger regulation.
TRUE or FALSE
The arcuate nucleus is a region of the thalamus involved in hunger regulation.
FALSE