Question 1

Ketosis develops in the postabsorptive state.What is ketosis? Why does it develop? What metabolic effects does it have?

Accepted Answer

Ketosis is a high concentration of keton

Question 2

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 3

The citric acid cycle is an aerobic process because

Accepted Answer

A) ADP is phosphorylated. 
B) FADH2 is produced. 
C) citric acid molecules have oxygen atoms. 
D) oxygen is needed to remove carbon atoms as carbon dioxide. 
E) NAH+ is converted into NADH. 
A) ADP is phosphorylated. 
B) FADH2 is produced. 
C) citric acid molecules have oxygen atoms. 
D) oxygen is needed to remove carbon atoms as carbon dioxide. 
E) NAH+ is converted into NADH.

Question 4

The term ________ refers to an unhealthy state resulting from inadequate intake of one or more nutrients that becomes life-threatening as the deficiencies accumulate.

Accepted Answer

The answer of The term ________ refers to an unhealthy...

Question 5

A T₄ assay is used to

Accepted Answer

A) determine the number of calories in food. 
B) directly measure the basal metabolic rate. 
C) obtain an index of metabolic activity. 
D) monitor the energy efficiency of metabolism. 
E) determine the amount of oxygen consumed during metabolism. 
A) determine the number of calories in food. 
B) directly measure the basal metabolic rate. 
C) obtain an index of metabolic activity. 
D) monitor the energy efficiency of metabolism. 
E) determine the amount of oxygen consumed during metabolism.

Question 6

The vitamin that is required for proper bone growth and for calcium absorption and retention is vitamin

Accepted Answer

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

Question 7

Cells perform catabolism to generate ATP,which can be used for

Accepted Answer

A) muscle contraction. 
B) ion transport. 
C) protein synthesis. 
D) glycogen synthesis. 
E) All of the answers are correct. 
A) muscle contraction. 
B) ion transport. 
C) protein synthesis. 
D) glycogen synthesis. 
E) All of the answers are correct.

Question 8

A ________ contains all of the ingredients necessary to maintain homeostasis.

Accepted Answer

The answer of A ________ contains all of the ingredients...

Question 9

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. 
C) hydrolyze glucose. 
D) produce carbon dioxide. 
E) produce water. 
A) remove hydrogen atoms from organic molecules and transfer them to coenzymes. 
B) transfer the acetyl group. 
C) hydrolyze glucose. 
D) produce carbon dioxide. 
E) produce water.

Question 10

The vitamin that is a coenzyme in amino acid and nucleic acid metabolism is

Accepted Answer

A) pantothenic acid. 
B) pyridoxine (B₆). 
C) folic acid (folate). 
D) vitamin C. 
E) vitamin K. 
A) pantothenic acid. 
B) pyridoxine (B₆). 
C) folic acid (folate). 
D) vitamin C. 
E) vitamin K.

Question 11

The end products of aerobic respiration are

Accepted Answer

A) carbon dioxide,water,and energy (ATP). 
B) pyruvic acid and carbon dioxide. 
C) carbon dioxide and alcohol. 
D) oxygen and water. 
E) NADH and FADH2. 
A) carbon dioxide,water,and energy (ATP). 
B) pyruvic acid and carbon dioxide. 
C) carbon dioxide and alcohol. 
D) oxygen and water. 
E) NADH and FADH2.

Question 12

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)

Question 13

Why is the citric acid cycle called a cycle? What substances enter the cycle,and what substances leave it?

Accepted Answer

The citric acid reaction sequence is a c

Question 14

Impaired fat absorption in the intestine would interfere with the absorption of

Accepted Answer

A) vitamin A. 
B) vitamin B₁₂. 
C) vitamin C. 
D) niacin. 
E) riboflavin. 
A) vitamin A. 
B) vitamin B₁₂. 
C) vitamin C. 
D) niacin. 
E) riboflavin.

Question 15

Cells must synthesize new organic compounds

Accepted Answer

A) to support growth. 
B) to perform structural maintenance or repairs. 
C) to produce secretions. 
D) to store nutrient reserves. 
E) All of the answers are correct. 
A) to support growth. 
B) to perform structural maintenance or repairs. 
C) to produce secretions. 
D) to store nutrient reserves. 
E) All of the answers are correct.

Question 16

Which of the following complements the actions of glucocorticoids?

Accepted Answer

A) insulin 
B) growth hormone 
C) glucagon 
D) epinephrine 
E) androgens 
A) insulin 
B) growth hormone 
C) glucagon 
D) epinephrine 
E) androgens

Question 17

The direct transfer of heat energy from one object to another is called ________.

Accepted Answer

The answer of The direct transfer of heat energy from...

Question 18

Someone with a total cholesterol level between 200 and 239 mg/dl 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 19

Reactions within ________ provide most of the energy needed by a typical cell.

Accepted Answer

A) cytoplasm 
B) the plasma membrane 
C) the mitochondria 
D) the endoplasmic reticulum 
E) nucleus 
A) cytoplasm 
B) the plasma membrane 
C) the mitochondria 
D) the endoplasmic reticulum 
E) nucleus

Question 20

The major anion in body fluids is

Accepted Answer

A) chloride. 
B) bicarbonate. 
C) sulfate. 
D) iodide. 
A) chloride. 
B) bicarbonate. 
C) sulfate. 
D) iodide.

Exam 25: Metabolism and Energetics

Ketosis develops in the postabsorptive state.What is ketosis? Why does it develop? What metabolic effects does it have?

In transamination,the amino group of an amino acid is

The citric acid cycle is an aerobic process because

The term ________ refers to an unhealthy state resulting from inadequate intake of one or more nutrients that becomes life-threatening as the deficiencies accumulate.

A T₄ assay is used to

The vitamin that is required for proper bone growth and for calcium absorption and retention is vitamin

Cells perform catabolism to generate ATP,which can be used for

A ________ contains all of the ingredients necessary to maintain homeostasis.

The function of the citric acid cycle is to

The vitamin that is a coenzyme in amino acid and nucleic acid metabolism is

The end products of aerobic respiration are

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

Why is the citric acid cycle called a cycle? What substances enter the cycle,and what substances leave it?

Impaired fat absorption in the intestine would interfere with the absorption of

Cells must synthesize new organic compounds

Which of the following complements the actions of glucocorticoids?

The direct transfer of heat energy from one object to another is called ________.

Someone with a total cholesterol level between 200 and 239 mg/dl should

Reactions within ________ provide most of the energy needed by a typical cell.

The major anion in body fluids is

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

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

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

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