MAP Chapter 25 Adaptive Follow-up

For each glucose molecule converted to two pyruvates, the anaerobic reaction sequence in glycolysis provides a net gain of __________. A 2 ATP for the cell B 4 ATP for the cell C 36 ATP for the cell D 38 ATP for the cell

A

The carbon dioxide released by the lungs into the atmosphere was very likely produced within __________. A the citric acid cycle B the electron transport system C glycolysis D formation of pyruvic acid

A

The first step in a sequence of enzymatic reactions in the tricarboxylic acid cycle is the formation of __________. A citric acid B pyruvic acid C oxaloacetic acid D acetyl-CoA

A

Which of the following individuals does NOT need to modify his or her daily activities to help regulate cholesterol levels? A a 40-year-old woman who weighs 135 pounds, has a total cholesterol level of 150 mg/dL, and does not have a history of atherosclerosis B a 40-year-old woman who weighs 200 pounds, has a cholesterol level of 235 mg/dL, and does not have a history of atherosclerosis C a 40-year old man who weighs 185 pounds, has a cholesterol level of 250 mg/dL, and does have a history of atherosclerosis D None of these individuals needs to modify his or her daily activities.

A

Which of the following is a fat-soluble vitamin necessary for synthesis of visual pigments? vitamin C vitamin A vitamin K vitamin D

A

Which of the following is a nitrogen compound important in energy storage in muscle tissue? A creatine B porphyrin C glycoprotein D pyrimidine

A

Which of the following people would be in positive nitrogen balance? A growing children B a pregnant woman C athletes in training D All of the listed responses are correct.

D

Which of the following enables infants to produce or conserve heat? A shivering B lipolysis of brown fat C maintenance of a constant metabolic rate D small surface area compared to volume

B

A T4 assay can perform each of these functions EXCEPT __________. A obtaining an index of metabolic activity B measuring circulating thyroxine levels C detecting thyroid malfunction D measuring the number of calories in food

D

Before the large vitamin B12 molecule can be absorbed, it must be bound to __________. A the gastric epithelium B vitamin C C another water-soluble vitamin D intrinsic factor

D

NAD, a key coenzyme used in the process of producing ATP, is produced from which water-soluble vitamin? A vitamin B12 B vitamin B2 C riboflavin D niacin

D

The basal metabolic rate (BMR) is __________. A measured by monitoring respiratory activity B 70 cal/hr or 1680 cal/day in the average individual C the minimum resting energy of an awake, alert person D all of the listed responses

D

Which process in the aerobic metabolism of glucose takes place in the cytosol? A deamination B glycolysis C TCA cycle D electron transport system

B

Why is it necessary to phosphorylate a glucose molecule, creating glucose-6-phosphate? A to allow easy passage of the glucose molecule into the mitochondria B to trap the glucose molecule within the cell C to create a storage form of glucose that the cell can then hang onto D to allow the glucose molecule to easily pass out of the cell

B

An individual's basal metabolic rate ideally represents __________. A the amounts of circulating hormone levels in the body B genetic differences among ethnic groups C the minimum resting energy expenditure of an awake, alert person D the daily energy expenditures for a given individual

C

Lucy, a 35-year-old woman, says she CANNOT lose the fat around her abdomen because it is brown fat. You correct her by saying that the only people with brown fat are __________. A teenagers B elderly men C infants D anorexic women

C

Which of the following is an important energy source during periods of starvation, when glucose supplies are limited? A lipoproteins B cholesterol C free fatty acids D glycerol

C

The most important factors in good nutrition are to obtain nutrients __________. A that are low in fats and high in dietary fiber B that meet the recommended daily intakes C from the food pyramid D in sufficient quantity and quality

D

To examine the metabolic state of an individual, results may be expressed as __________. A calories per day B calories per hour C calories per unit of body weight per day D calories per hour, calories per day, and calories per unit of body weight per day

D

Which of the following are coenzymes that deliver hydrogen ions and electrons to the ETS in the inner mitochondrial membrane? A NADH B acetyl CoA C FADH2 D NADH and FADH2

D

Which of the following foods are DEFICIENT in dietary fiber? A vegetables and fruits B breads and cereals C rice and pastas D milk and meat

D