Question 1

In transamination,the amino group of an amino acid is

Accepted Answer

A) converted to ammonia. 
B) converted to urea. 
C) transferred to a keto acid. 
D) absorbed by water. 
E) transferred to acetyl-CoA. 
A) converted to ammonia. 
B) converted to urea. 
C) transferred to a keto acid. 
D) absorbed by water. 
E) transferred to acetyl-CoA.

Question 2

The trace element needed as a cofactor for hemoglobin synthesis is

Accepted Answer

A) zinc. 
B) copper. 
C) cobalt. 
D) iodine. 
E) silicon. 
A) zinc. 
B) copper. 
C) cobalt. 
D) iodine. 
E) silicon.

Question 3

The condition when excessive fluid loss from sweating disrupts thermoregulatory mechanisms is known as

Accepted Answer

A) thermoneogenesis. 
B) heat exhaustion. 
C) hydrosis. 
D) heat stroke. 
E) hypothermia. 
A) thermoneogenesis. 
B) heat exhaustion. 
C) hydrosis. 
D) heat stroke. 
E) hypothermia.

Question 4

Lipids

Accepted Answer

A) deliver somewhat less energy than an equivalent mass of glucose. 
B) are difficult to store since they are not water soluble. 
C) yield quick bursts of energy. 
D) provide energy for cells with modest energy demands. 
E) are the primary nutrient metabolized in cells. 
A) deliver somewhat less energy than an equivalent mass of glucose. 
B) are difficult to store since they are not water soluble. 
C) yield quick bursts of energy. 
D) provide energy for cells with modest energy demands. 
E) are the primary nutrient metabolized in cells.

Question 5

All of the following are true of beta-oxidation except that

Accepted Answer

A) it occurs in the mitochondria. 
B) fatty acids break down into two-carbon fragments. 
C) lipids are converted into glycogen molecules. 
D) it requires coenzyme A,NAD,and FAD. 
E) it yields large amounts of ATP. 
A) it occurs in the mitochondria. 
B) fatty acids break down into two-carbon fragments. 
C) lipids are converted into glycogen molecules. 
D) it requires coenzyme A,NAD,and FAD. 
E) it yields large amounts of ATP.

Question 6

A high uric acid level (above 7.4 mg/dl)can lead to the painful condition known as

Accepted Answer

A) gout. 
B) rheumatoid arthritis. 
C) anorexia nervosa. 
D) lupus. 
E) ketosis. 
A) gout. 
B) rheumatoid arthritis. 
C) anorexia nervosa. 
D) lupus. 
E) ketosis.

Question 7

Catabolism of protein is not a practical source of quick energy because of all of the following except that

Accepted Answer

A) proteins are more difficult to break apart than lipids or carbohydrates. 
B) the energy yield from protein is less than the yield from lipids. 
C) one of the by-products of protein catabolism is ammonia. 
D) most individuals have little protein to spare before harming vital organs. 
E) extensive catabolism of protein threatens homeostasis. 
A) proteins are more difficult to break apart than lipids or carbohydrates. 
B) the energy yield from protein is less than the yield from lipids. 
C) one of the by-products of protein catabolism is ammonia. 
D) most individuals have little protein to spare before harming vital organs. 
E) extensive catabolism of protein threatens homeostasis.

Question 8

In the ETS,________ accepts electrons from one molecule and transfers them to another.

Accepted Answer

A) a hydrogen ion 
B) a coenzyme 
C) the acetyl group 
D) ADP 
E) NAD 
A) a hydrogen ion 
B) a coenzyme 
C) the acetyl group 
D) ADP 
E) NAD

Question 9

The ________ represents the minimum resting energy expenditures of an awake,alert individual.

Accepted Answer

A) basal metabolic rate 
B) blood pressure 
C) heart rate 
D) heat loss quotient 
E) All of the above 
A) basal metabolic rate 
B) blood pressure 
C) heart rate 
D) heat loss quotient 
E) All of the above

Question 10

The function of the citric acid cycle is to

Accepted Answer

A) remove hydrogen atoms from organic molecules and transfer them to coenzymes. 
B) transfer the acetyl group gained from glycolysis to molecules of pyruvate. 
C) hydrolyze glucose in the presence of oxygen to obtain two pyruvate molecules. 
D) produce carbon dioxide to balance the oxygen requirement for cellular respiration. 
E) produce water. 
A) remove hydrogen atoms from organic molecules and transfer them to coenzymes. 
B) transfer the acetyl group gained from glycolysis to molecules of pyruvate. 
C) hydrolyze glucose in the presence of oxygen to obtain two pyruvate molecules. 
D) produce carbon dioxide to balance the oxygen requirement for cellular respiration. 
E) produce water.

Question 11

The term ________ refers to the homeostatic process that allows us to maintain a constant body temperature.

Accepted Answer

A) thermogenesis 
B) thermodynamics 
C) thermochemistry 
D) thermoregulation 
E) thermography 
A) thermogenesis 
B) thermodynamics 
C) thermochemistry 
D) thermoregulation 
E) thermography

Question 12

Someone with a total cholesterol level above their optimal range should

Accepted Answer

A) modify their diet. 
B) lose weight if overweight. 
C) have annual checkups. 
D) reduce the amount of saturated fat in the diet. 
E) All of the answers are correct. 
A) modify their diet. 
B) lose weight if overweight. 
C) have annual checkups. 
D) reduce the amount of saturated fat in the diet. 
E) All of the answers are correct.

Question 13

A cation that is essential for muscle contraction,nerve function,and blood clotting is

Accepted Answer

A) sodium. 
B) potassium. 
C) calcium. 
D) magnesium. 
E) selenium. 
A) sodium. 
B) potassium. 
C) calcium. 
D) magnesium. 
E) selenium.

Question 14

The presence of ketone bodies in the urine is known as

Accepted Answer

A) polyuria. 
B) hematuria. 
C) ketonuria. 
D) uremia. 
E) ketosis. 
A) polyuria. 
B) hematuria. 
C) ketonuria. 
D) uremia. 
E) ketosis.

Question 15

Each cytochrome contains a(n)

Accepted Answer

A) lipoprotein. 
B) metal ion. 
C) ATP synthase. 
D) inorganic salt. 
E) All of the answers are correct. 
A) lipoprotein. 
B) metal ion. 
C) ATP synthase. 
D) inorganic salt. 
E) All of the answers are correct.

Question 16

The citric acid cycle

Accepted Answer

A) begins with the formation of a molecule of citric acid. 
B) directly produces most of the ATP from the catabolism of glucose. 
C) consumes two moles of carbon dioxide. 
D) contains enzymes called cytochromes. 
E) forms acetyl-CoA from glucose-6-phosphate. 
A) begins with the formation of a molecule of citric acid. 
B) directly produces most of the ATP from the catabolism of glucose. 
C) consumes two moles of carbon dioxide. 
D) contains enzymes called cytochromes. 
E) forms acetyl-CoA from glucose-6-phosphate.

Question 17

Linoleic acid and linolenic acid are examples of

Accepted Answer

A) transport proteins. 
B) lipoproteins. 
C) essential fatty acids. 
D) essential amino acids. 
E) vitamins. 
A) transport proteins. 
B) lipoproteins. 
C) essential fatty acids. 
D) essential amino acids. 
E) vitamins.

Question 18

The vitamin that is essential for the production of several clotting factors is vitamin

Accepted Answer

A) 
A)  
B) 
B)  
C) 
E)  
D) 
C)  
E) K) 
A) 
A)  
B) 
B)  
C) 
E)  
D) 
C)  
E) K)

Question 19

Lipoproteins that are intermediate in size and lipid composition between VLDLs and LDLs are called

Accepted Answer

A) chylomicrons. 
B) very-low-density lipoproteins. 
C) intermediate-density lipoproteins. 
D) low-density lipoproteins. 
E) high-density lipoproteins. 
A) chylomicrons. 
B) very-low-density lipoproteins. 
C) intermediate-density lipoproteins. 
D) low-density lipoproteins. 
E) high-density lipoproteins.

Question 20

The vitamin that plays a role in maintaining epithelia and is required for the synthesis of visual pigments is vitamin

Accepted Answer

A) 
A)  
B) 
B)  
C) 
C)  
D) 
D)  
E) 
E)  
A) 
A)  
B) 
B)  
C) 
C)  
D) 
D)  
E) 
E)

Exam 25: Metabolism and Energetics

In transamination,the amino group of an amino acid is

The trace element needed as a cofactor for hemoglobin synthesis is

The condition when excessive fluid loss from sweating disrupts thermoregulatory mechanisms is known as

Lipids

All of the following are true of beta-oxidation except that

A high uric acid level (above 7.4 mg/dl)can lead to the painful condition known as

Catabolism of protein is not a practical source of quick energy because of all of the following except that

In the ETS,________ accepts electrons from one molecule and transfers them to another.

The ________ represents the minimum resting energy expenditures of an awake,alert individual.

The function of the citric acid cycle is to

The term ________ refers to the homeostatic process that allows us to maintain a constant body temperature.

Someone with a total cholesterol level above their optimal range should

A cation that is essential for muscle contraction,nerve function,and blood clotting is

The presence of ketone bodies in the urine is known as

Each cytochrome contains a(n)

The citric acid cycle

Linoleic acid and linolenic acid are examples of

The vitamin that is essential for the production of several clotting factors is vitamin

Lipoproteins that are intermediate in size and lipid composition between VLDLs and LDLs are called

The vitamin that plays a role in maintaining epithelia and is required for the synthesis of visual pigments is vitamin

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters