Question 1

What is the final electron acceptor of the electron transport chain?

Accepted Answer

A)  water 
B)  NADH 
C)  oxygen 
D)  carbon dioxide 
A)  water 
B)  NADH 
C)  oxygen 
D)  carbon dioxide

Question 2

Arrange the following events so that they indicate a possible metabolic sequence the body might use to interconvert a protein to a fat. 1 Glycerol and three fatty acids combine to form triglycerides.
2 Fatty acids are formed from acetyl CoA.
3 Protein is digested to release amino acids.
4 Amino acids are converted to acetyl CoA.

Accepted Answer

A)  2, 3, 4, 1 
B)  3, 4, 2, 1 
C)  4, 2, 3, 1 
D)  2, 4, 3, 1 
E)  4, 3, 2, 1 
A)  2, 3, 4, 1 
B)  3, 4, 2, 1 
C)  4, 2, 3, 1 
D)  2, 4, 3, 1 
E)  4, 3, 2, 1

Question 3

Minerals

Accepted Answer

A)  are organic nutrients. 
B)  can be manufactured by the body if the diet does not supply enough. 
C)  can serve as buffers and components of enzymes. 
D)  are found in high concentrations in refined cereals and breads. 
E)  are not necessary for normal metabolic function. 
A)  are organic nutrients. 
B)  can be manufactured by the body if the diet does not supply enough. 
C)  can serve as buffers and components of enzymes. 
D)  are found in high concentrations in refined cereals and breads. 
E)  are not necessary for normal metabolic function.

Question 4

There is a need for glucose in the body. Which of the following reactions will yield glucose directly?

Accepted Answer

A)  beta oxidation 
B)  glycogenolysis 
C)  glycolysis 
D)  deamination 
E)  glucogenesis 
A)  beta oxidation 
B)  glycogenolysis 
C)  glycolysis 
D)  deamination 
E)  glucogenesis

Question 5

Which of the following are energy nutrients?

Accepted Answer

A)  carbohydrates, proteins, and lipids 
B)  proteins, water, and minerals 
C)  lipids, minerals, and vitamins 
D)  vitamins, lipids, and carbohydrates 
E)  water, minerals, and vitamins 
A)  carbohydrates, proteins, and lipids 
B)  proteins, water, and minerals 
C)  lipids, minerals, and vitamins 
D)  vitamins, lipids, and carbohydrates 
E)  water, minerals, and vitamins

Question 6

Each complex in the electron transport chain collectively acts as a _____ pump that removes H+ from the mitochondrial matrix and pumps it into the space between the inner and outer mitochondrial membranes.

Accepted Answer

A)  proton 
B)  electron 
C)  neutron 
D)  sodium-potassium 
E)  calcium 
A)  proton 
B)  electron 
C)  neutron 
D)  sodium-potassium 
E)  calcium

Question 7

Match the vitamin with its function in the body.
-vitamin K

Accepted Answer

A) required for the synthesis of clotting factors (prothrombin) 
B) is a component of the coenzyme FAD 
C) promotes calcium and phosphorus use 
D) involved in amino acid metabolism 
E) a primary constituent of coenzyme A 
A) required for the synthesis of clotting factors (prothrombin) 
B) is a component of the coenzyme FAD 
C) promotes calcium and phosphorus use 
D) involved in amino acid metabolism 
E) a primary constituent of coenzyme A

Question 8

Which of the following organs can store glycogen?

Accepted Answer

A)  spleen and pancreas 
B)  kidney and adrenal gland 
C)  large and small intestines 
D)  liver and muscles 
E)  stomach and pancreas 
A)  spleen and pancreas 
B)  kidney and adrenal gland 
C)  large and small intestines 
D)  liver and muscles 
E)  stomach and pancreas

Question 9

Total energy expenditure is estimated from

Accepted Answer

A)  basal metabolic rate. 
B)  thermic effect of food. 
C)  physical activity. 
D)  basal metabolic rate and physical activity. 
E)  basal metabolic rate, thermic effect of food, and physical activity. 
A)  basal metabolic rate. 
B)  thermic effect of food. 
C)  physical activity. 
D)  basal metabolic rate and physical activity. 
E)  basal metabolic rate, thermic effect of food, and physical activity.

Question 10

A student's dietary intake includes 100 grams of fat and a total of 2000 kilocalories. What percentage of the total kilocalories in this student's diet comes from fat?

Accepted Answer

A)  10% 
B)  20% 
C)  37% 
D)  45% 
E)  50% 
A)  10% 
B)  20% 
C)  37% 
D)  45% 
E)  50%

Question 11

What type of reactions are involved in ATP production?

Accepted Answer

A)  single replacement reactions 
B)  combustion reactions 
C)  oxidation-reduction reactions 
D)  neutralization reactions 
A)  single replacement reactions 
B)  combustion reactions 
C)  oxidation-reduction reactions 
D)  neutralization reactions

Question 12

Carbohydrates are absorbed into the blood stream as

Accepted Answer

A)  disaccharides. 
B)  monosaccharides. 
C)  oligosaccharides. 
D)  polysaccharides. 
E)  glycoproteins. 
A)  disaccharides. 
B)  monosaccharides. 
C)  oligosaccharides. 
D)  polysaccharides. 
E)  glycoproteins.

Question 13

The name of the process that couples the movement of hydrogen ions across the inner mitochondrial membrane to ATP production is the

Accepted Answer

A)  citric acid cycle. 
B)  glycolytic pathway. 
C)  chemiosmosis. 
D)  Cori cycle. 
E)  hydrosmotic model. 
A)  citric acid cycle. 
B)  glycolytic pathway. 
C)  chemiosmosis. 
D)  Cori cycle. 
E)  hydrosmotic model.

Question 14

Catabolism within cells liberates energy, which is then captured and used to phosphorylate ADP to form __________.

Accepted Answer

The answer of Catabolism within cells liberates energy, which is...

Question 15

Why is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell?

Accepted Answer

A)  This form is easier for cells to metabolize. 
B)  Glucose can't diffuse out of the cell if it is in this form. 
C)  The cells can easily excrete this molecule. 
D)  It becomes a long-term storage molecule for glucose. 
E)  It can now cross the plasma membrane. 
A)  This form is easier for cells to metabolize. 
B)  Glucose can't diffuse out of the cell if it is in this form. 
C)  The cells can easily excrete this molecule. 
D)  It becomes a long-term storage molecule for glucose. 
E)  It can now cross the plasma membrane.

Question 16

Match the mineral with its function.
-zinc

Accepted Answer

A) functions in carbon dioxide metabolism and transport, also needed for protein metabolism 
B) component of hemoglobin 
C) a constituent of coenzymes; needed for bone formation and proper function of nerve and muscle 
D) needed for the production of thyroxine 
E) component of nucleic acids and ATP; used in bone formation 
A) functions in carbon dioxide metabolism and transport, also needed for protein metabolism 
B) component of hemoglobin 
C) a constituent of coenzymes; needed for bone formation and proper function of nerve and muscle 
D) needed for the production of thyroxine 
E) component of nucleic acids and ATP; used in bone formation

Question 17

The BMR (basal metabolic rate) can increase

Accepted Answer

A)  during fasting. 
B)  during pregnancy. 
C)  as a result of decreased thyroid hormone production. 
D)  while resting instead of studying for a test. 
E)  during dieting. 
A)  during fasting. 
B)  during pregnancy. 
C)  as a result of decreased thyroid hormone production. 
D)  while resting instead of studying for a test. 
E)  during dieting.

Question 18

The events that occur in the postabsorptive state collectively

Accepted Answer

A)  decrease fat metabolism. 
B)  maintain blood glucose levels. 
C)  interconvert proteins to fats. 
D)  assure adequate lipogenesis. 
E)  maintain protein levels. 
A)  decrease fat metabolism. 
B)  maintain blood glucose levels. 
C)  interconvert proteins to fats. 
D)  assure adequate lipogenesis. 
E)  maintain protein levels.

Question 19

Match the function or term with the appropriate organic molecule.
-cellulose

Accepted Answer

A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids 
A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids

Question 20

The correct sequence of events that occurs when fatty acids are used to generate ATP is

Accepted Answer

A)  beta oxidation, electron transport chain, deamination. 
B)  electron transport chain, beta oxidation, glycolysis. 
C)  beta oxidation, citric acid cycle, electron transport chain. 
D)  glycolysis, beta oxidation, citric acid cycle. 
E)  citric acid cycle, glycolysis, beta oxidation. 
A)  beta oxidation, electron transport chain, deamination. 
B)  electron transport chain, beta oxidation, glycolysis. 
C)  beta oxidation, citric acid cycle, electron transport chain. 
D)  glycolysis, beta oxidation, citric acid cycle. 
E)  citric acid cycle, glycolysis, beta oxidation.

Exam 25: Nutrition, Metabolism, and Temperature Regulation

What is the final electron acceptor of the electron transport chain?

Minerals

There is a need for glucose in the body. Which of the following reactions will yield glucose directly?

Which of the following are energy nutrients?

Each complex in the electron transport chain collectively acts as a _____ pump that removes H+ from the mitochondrial matrix and pumps it into the space between the inner and outer mitochondrial membranes.

Match the vitamin with its function in the body. -vitamin K

Which of the following organs can store glycogen?

Total energy expenditure is estimated from

A student's dietary intake includes 100 grams of fat and a total of 2000 kilocalories. What percentage of the total kilocalories in this student's diet comes from fat?

What type of reactions are involved in ATP production?

Carbohydrates are absorbed into the blood stream as

The name of the process that couples the movement of hydrogen ions across the inner mitochondrial membrane to ATP production is the

Catabolism within cells liberates energy, which is then captured and used to phosphorylate ADP to form __________.

Why is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell?

Match the mineral with its function. -zinc

The BMR (basal metabolic rate) can increase

The events that occur in the postabsorptive state collectively

Match the function or term with the appropriate organic molecule. -cellulose

The correct sequence of events that occurs when fatty acids are used to generate ATP is

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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