Question 1

During lipolysis,

Accepted Answer

A)  triglycerides are converted into molecules of acetyl-CoA. 
B)  triglycerides are broken down into glycerol and fatty acids. 
C)  lipids are converted into glucose molecules. 
D)  lipids are formed from excess carbohydrates. 
E)  lipids are metabolized to yield ATP. 
A)  triglycerides are converted into molecules of acetyl-CoA. 
B)  triglycerides are broken down into glycerol and fatty acids. 
C)  lipids are converted into glucose molecules. 
D)  lipids are formed from excess carbohydrates. 
E)  lipids are metabolized to yield ATP.

Question 2

The carbon dioxide of respiration is formed during

Accepted Answer

A)  glycolysis. 
B)  the citric acid cycle. 
C)  electron transport. 
D)  the formation of pyruvic acid. 
E)  the formation of water. 
A)  glycolysis. 
B)  the citric acid cycle. 
C)  electron transport. 
D)  the formation of pyruvic acid. 
E)  the formation of water.

Question 3

Heat loss to the cooler air that moves across the surface of your body is called

Accepted Answer

A)  radiation. 
B)  conduction. 
C)  convection. 
D)  evaporation. 
E)  transmission. 
A)  radiation. 
B)  conduction. 
C)  convection. 
D)  evaporation. 
E)  transmission.

Question 4

Which of the following is not a way to conserve or generate heat?

Accepted Answer

A)  shivering thermogenesis 
B)  nonshivering thermogenesis 
C)  vasoconstriction in the skin 
D)  increasing the depth of respirations 
E)  release of thyroxine 
A)  shivering thermogenesis 
B)  nonshivering thermogenesis 
C)  vasoconstriction in the skin 
D)  increasing the depth of respirations 
E)  release of thyroxine

Question 5

The major cation in cytoplasm is

Accepted Answer

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

Question 6

Most of the ATP from metabolism is produced in the

Accepted Answer

A)  citric acid cycle. 
B)  electron transport system. 
C)  cytosol. 
D)  mitochondrial matrix. 
E)  glycolysis. 
A)  citric acid cycle. 
B)  electron transport system. 
C)  cytosol. 
D)  mitochondrial matrix. 
E)  glycolysis.

Question 7

Figure 25-1 The Citric Acid Cycle
  
Use Figure 25-1 to answer the following questions:
-What is the molecule labeled "3"?

Accepted Answer

A)  ADP 
B)  carbon dioxide 
C)  NADH 
D)  hydrogen atoms 
E)  pyruvate 
A)  ADP 
B)  carbon dioxide 
C)  NADH 
D)  hydrogen atoms 
E)  pyruvate

Question 8

On a tour of African countries, Mark contracts a bad case of traveler's diarrhea. Because he can't eat verymuch, his body starts to use energy sources other than carbohydrates. This would result in all of the following, except

Accepted Answer

A)  increased levels of urea in the blood. 
B)  ketosis and a decreased blood pH. 
C)  increased gluconeogenesis in the liver. 
D)  lipid metabolism. 
E)  glycogenesis. 
A)  increased levels of urea in the blood. 
B)  ketosis and a decreased blood pH. 
C)  increased gluconeogenesis in the liver. 
D)  lipid metabolism. 
E)  glycogenesis.

Question 9

All of the following occur during the postabsorptive state except that

Accepted Answer

A)  glycogenolysis occurs in the liver. 
B)  levels of blood glucose are elevated above normal. 
C)  ketone bodies may be formed. 
D)  fat mobilization occurs. 
E)  gluconeogenesis occurs in the liver. 
A)  glycogenolysis occurs in the liver. 
B)  levels of blood glucose are elevated above normal. 
C)  ketone bodies may be formed. 
D)  fat mobilization occurs. 
E)  gluconeogenesis occurs in the liver.

Question 10

Lipoproteins that are primarily sent to skeletal muscles and adipose tissues are called

Accepted Answer

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

Question 11

Taking excess vitamins can be dangerous. It is possible to overdose on vitamin

Accepted Answer

A)  A. 
B)  B1. 
C)  B6. 
D)  B7. 
E)  C. 
A)  A. 
B)  B1. 
C)  B6. 
D)  B7. 
E)  C.

Question 12

In the citric acid cycle, a 2 carbon molecule and a 4 carbon molecule combine to produce

Accepted Answer

A)  fructose-1, 6-bisphosphate. 
B)  carbon dioxide. 
C)  pyruvic acid. 
D)  NADH. 
E)  citric acid. 
A)  fructose-1, 6-bisphosphate. 
B)  carbon dioxide. 
C)  pyruvic acid. 
D)  NADH. 
E)  citric acid.

Question 13

The major cation in extracellular fluid is

Accepted Answer

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

Question 14

The vitamin that is part of the coenzyme FAD is

Accepted Answer

A)  thiamine. 
B)  riboflavin. 
C)  niacin. 
D)  folic acid (folate). 
E)  cobalamin. 
A)  thiamine. 
B)  riboflavin. 
C)  niacin. 
D)  folic acid (folate). 
E)  cobalamin.

Question 15

The conversion of ammonia into a less toxic substance produces

Accepted Answer

A)  ketone bodies. 
B)  urea. 
C)  nitrate. 
D)  acetyl-CoA. 
E)  water. 
A)  ketone bodies. 
B)  urea. 
C)  nitrate. 
D)  acetyl-CoA. 
E)  water.

Question 16

Factors that influence an individual's BMR (basal metabolic rate) include all of the following except

Accepted Answer

A)  physical exertion. 
B)  age. 
C)  body weight. 
D)  genetics. 
E)  gender. 
A)  physical exertion. 
B)  age. 
C)  body weight. 
D)  genetics. 
E)  gender.

Question 17

Physicians have found improved outcomes when forcefully cooling specific organs or the whole body priortosurgery in a process called

Accepted Answer

A)  shivering thermogenesis. 
B)  nonshivering thermogenesis. 
C)  induced hypothermia. 
D)  cool exhaustion. 
E)  freezing. 
A)  shivering thermogenesis. 
B)  nonshivering thermogenesis. 
C)  induced hypothermia. 
D)  cool exhaustion. 
E)  freezing.

Question 18

________ are the largest lipoproteins, ranging in diameter up to 0.5 µm.

Accepted Answer

A)  Very-low-density lipoproteins (VLDLs) 
B)  Low-density lipoproteins (LDLs) 
C)  Micelles 
D)  High-density lipoproteins (HDLs) 
E)  Chylomicrons 
A)  Very-low-density lipoproteins (VLDLs) 
B)  Low-density lipoproteins (LDLs) 
C)  Micelles 
D)  High-density lipoproteins (HDLs) 
E)  Chylomicrons

Question 19

All the available nutrient molecules distributed in the blood form a

Accepted Answer

A)  nutrient storehouse. 
B)  nutrient reserve. 
C)  nutrient pool. 
D)  energy reserve. 
E)  organic storehouse. 
A)  nutrient storehouse. 
B)  nutrient reserve. 
C)  nutrient pool. 
D)  energy reserve. 
E)  organic storehouse.

Question 20

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.

Exam 25: Metabolism, Nutrition, and Energetics

During lipolysis,

The carbon dioxide of respiration is formed during

Heat loss to the cooler air that moves across the surface of your body is called

Which of the following is not a way to conserve or generate heat?

The major cation in cytoplasm is

Most of the ATP from metabolism is produced in the

Figure 25-1 The Citric Acid Cycle Use Figure 25-1 to answer the following questions: -What is the molecule labeled "3"?

On a tour of African countries, Mark contracts a bad case of traveler's diarrhea. Because he can't eat verymuch, his body starts to use energy sources other than carbohydrates. This would result in all of the following, except

All of the following occur during the postabsorptive state except that

Lipoproteins that are primarily sent to skeletal muscles and adipose tissues are called

Taking excess vitamins can be dangerous. It is possible to overdose on vitamin

In the citric acid cycle, a 2 carbon molecule and a 4 carbon molecule combine to produce

The major cation in extracellular fluid is

The vitamin that is part of the coenzyme FAD is

The conversion of ammonia into a less toxic substance produces

Factors that influence an individual's BMR (basal metabolic rate) include all of the following except

Physicians have found improved outcomes when forcefully cooling specific organs or the whole body priortosurgery in a process called

________ are the largest lipoproteins, ranging in diameter up to 0.5 µm.

All the available nutrient molecules distributed in the blood form a

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

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous 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