Question 1

Beta oxidation is the initial phase of fatty acid oxidation,and it occurs in the cytoplasm.

Accepted Answer

A) True 
 B)False  False

Question 2

Anabolism includes reactions in which ________.

Accepted Answer

A)  structural proteins are used as a potential energy source 
B)  ketone bodies are formed 
C)  carbohydrate utilization increases 
D)  larger molecules or structures are built from smaller ones 
A)  structural proteins are used as a potential energy source 
B)  ketone bodies are formed 
C)  carbohydrate utilization increases 
D)  larger molecules or structures are built from smaller ones D

Question 3

What are the four mechanisms of heat exchange and how are they defined?

Accepted Answer

(1)Radiation is the loss of heat as thermal energy.(2)Conduction is the transfer of heat between objects that are in direct contact with each other.(3)Convection is the process of replacing the warm air around the body with cooler air and thus removing body heat.(4)Evaporation cools by removing large amounts of heat as water changes state from liquid to gas.

Question 4

Figure 24.1
Using Figure 24.1, match the following:
-Where the hydrogen atoms removed during the oxidation of food fuels are combined with O2.

Accepted Answer

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

Question 5

What is the significance of the fact that monosaccharides are phosphorylated immediately upon entry into cells?

Accepted Answer

Monosaccharides are phosphorylated immed

Question 6

It would not be healthy to eliminate all fats from your diet because they serve a useful purpose in maintaining the body.

Accepted Answer

A) True 
 B)False

Question 7

Triglycerides and cholesterol do NOT circulate freely in the bloodstream.

Accepted Answer

A) True 
 B)False

Question 8

Heat-loss mechanisms do NOT include ________.

Accepted Answer

A)  reducing activity 
B)  the evaporation of sweat 
C)  vasoconstriction of peripheral blood vessels 
D)  behavior measures such as wearing light, loose clothing 
A)  reducing activity 
B)  the evaporation of sweat 
C)  vasoconstriction of peripheral blood vessels 
D)  behavior measures such as wearing light, loose clothing

Question 9

Which of the following food groups are considered good sources of complete proteins?

Accepted Answer

A)  egg yolk, fish roe, and grains 
B)  corn, cottonseed oil, soy oil, and wheat germ 
C)  eggs, milk, yogurt, meat, and fish 
D)  lima beans, kidney beans, nuts, and cereals 
A)  egg yolk, fish roe, and grains 
B)  corn, cottonseed oil, soy oil, and wheat germ 
C)  eggs, milk, yogurt, meat, and fish 
D)  lima beans, kidney beans, nuts, and cereals

Question 10

A recent health screening revealed a low-density-lipoprotein (LDL)level over 130.Which of the following should be prescribed?

Accepted Answer

A)  insulin 
B)  statins 
C)  iron 
D)  glucagon 
A)  insulin 
B)  statins 
C)  iron 
D)  glucagon

Question 11

Match the following:
-Synthesis of lipids from glucose or amino acids.

Accepted Answer

A) beta oxidation 
B) lipolysis 
C) ketogenesis 
D) lipogenesis 
A) beta oxidation 
B) lipolysis 
C) ketogenesis 
D) lipogenesis

Question 12

Match the following:
-Occurs in the cytosol of a cell.

Accepted Answer

A) Glycolysis 
B) Citric acid (Krebs) cycle 
C) Electron transport chain 
A) Glycolysis 
B) Citric acid (Krebs) cycle 
C) Electron transport chain

Question 13

Lipogenesis occurs when ________.

Accepted Answer

A)  glucose levels drop slightly 
B)  excess proteins are transported through the cell membrane 
C)  there is a shortage of fatty acids 
D)  cellular ATP and glucose levels are high 
A)  glucose levels drop slightly 
B)  excess proteins are transported through the cell membrane 
C)  there is a shortage of fatty acids 
D)  cellular ATP and glucose levels are high

Question 14

Cellular respiration is an anabolic process.

Accepted Answer

A) True 
 B)False

Question 15

Cholesterol,though it is NOT an energy molecule,has importance in the body because it ________.

Accepted Answer

A)  is a stabilizing component of the plasma membranes and is the parent molecule of steroid hormones 
B)  helps mobilize fats during periods of starvation 
C)  helps provide essential nutrients to the brain and lungs 
D)  enters the glycolytic pathway without being altered 
A)  is a stabilizing component of the plasma membranes and is the parent molecule of steroid hormones 
B)  helps mobilize fats during periods of starvation 
C)  helps provide essential nutrients to the brain and lungs 
D)  enters the glycolytic pathway without being altered

Question 16

Vitamins are inorganic compounds that are essential for growth and good health.

Accepted Answer

A) True 
 B)False

Question 17

As the body progresses from the absorptive to the postabsorptive state,the ________ continues to burn glucose while virtually every other organ in the body switches to fatty acids as its major energy source.

Accepted Answer

A)  pancreas 
B)  spleen 
C)  liver 
D)  brain 
A)  pancreas 
B)  spleen 
C)  liver 
D)  brain

Question 18

Which of the choices below is NOT a mechanism of heat production?

Accepted Answer

A)  enhanced thyroxine release 
B)  sweating 
C)  vasoconstriction of cutaneous blood vessels 
D)  shivering 
A)  enhanced thyroxine release 
B)  sweating 
C)  vasoconstriction of cutaneous blood vessels 
D)  shivering

Question 19

Match the following:
-Breakdown of glycogen to release glucose.

Accepted Answer

A) glycolysis 
B) glycogenolysis 
C) gluconeogenesis 
D) glycogenesis 
A) glycolysis 
B) glycogenolysis 
C) gluconeogenesis 
D) glycogenesis

Question 20

The term essential nutrient refers to the chemicals that can be interconverted in the liver so that the body can maintain life and good health.

Accepted Answer

A) True 
 B)False

Exam 24: Nutrition,metabolism,and Body Temperature Regulation

Beta oxidation is the initial phase of fatty acid oxidation,and it occurs in the cytoplasm.

Anabolism includes reactions in which ________.

What are the four mechanisms of heat exchange and how are they defined?

Figure 24.1 Using Figure 24.1, match the following: -Where the hydrogen atoms removed during the oxidation of food fuels are combined with O2.

What is the significance of the fact that monosaccharides are phosphorylated immediately upon entry into cells?

It would not be healthy to eliminate all fats from your diet because they serve a useful purpose in maintaining the body.

Triglycerides and cholesterol do NOT circulate freely in the bloodstream.

Heat-loss mechanisms do NOT include ________.

Which of the following food groups are considered good sources of complete proteins?

A recent health screening revealed a low-density-lipoprotein (LDL)level over 130.Which of the following should be prescribed?

Match the following: -Synthesis of lipids from glucose or amino acids.

Match the following: -Occurs in the cytosol of a cell.

Lipogenesis occurs when ________.

Cellular respiration is an anabolic process.

Cholesterol,though it is NOT an energy molecule,has importance in the body because it ________.

Vitamins are inorganic compounds that are essential for growth and good health.

As the body progresses from the absorptive to the postabsorptive state,the ________ continues to burn glucose while virtually every other organ in the body switches to fatty acids as its major energy source.

Which of the choices below is NOT a mechanism of heat production?

Match the following: -Breakdown of glycogen to release glucose.

The term essential nutrient refers to the chemicals that can be interconverted in the liver so that the body can maintain life and good health.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

Filters

Figure 24.1 Using Figure 24.1, match the following: -Where the hydrogen atoms removed during the oxidation of food fuels are combined with O₂.