Question 1

If air temperature is higher than skin temperature, _______ becomes a means of heat loss through evaporation.

Accepted Answer

A)  sweating 
B)  shivering 
C)  fever 
D)  chills 
E)  vasoconstriction 
A)  sweating 
B)  shivering 
C)  fever 
D)  chills 
E)  vasoconstriction

Question 2

Where does glycolysis take place?

Accepted Answer

A)  in the inner compartment of the mitochondrion 
B)  on the surface of the mitochondrion 
C)  in the cytoplasm of the cell 
D)  along the cristae of the mitochondrion 
A)  in the inner compartment of the mitochondrion 
B)  on the surface of the mitochondrion 
C)  in the cytoplasm of the cell 
D)  along the cristae of the mitochondrion

Question 3

The body synthesizes nonessential amino acids in a process called oxidative deamination.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements is true?

Accepted Answer

A)  Catabolic reactions are synthesis reactions. 
B)  Anabolic reactions are involved in the production of proteins from amino acids. 
C)  The energy derived from anabolism is used to drive catabolism. 
D)  Anabolic reactions release energy. 
E)  Catabolic reactions consume energy. 
A)  Catabolic reactions are synthesis reactions. 
B)  Anabolic reactions are involved in the production of proteins from amino acids. 
C)  The energy derived from anabolism is used to drive catabolism. 
D)  Anabolic reactions release energy. 
E)  Catabolic reactions consume energy.

Question 5

Proteins regulate the acid-base balance of the blood by

Accepted Answer

A)  acting as buffers. 
B)  releasing nitrogen. 
C)  transporting iron. 
D)  binding sodium ions. 
E)  removing carbon dioxide from the blood. 
A)  acting as buffers. 
B)  releasing nitrogen. 
C)  transporting iron. 
D)  binding sodium ions. 
E)  removing carbon dioxide from the blood.

Question 6

Phospholipids

Accepted Answer

A)  are found in cell membranes. 
B)  are used as an energy source by cells. 
C)  can be modified to form cholesterol. 
D)  are involved in the process of inflammation. 
E)  are found inside organelles. 
A)  are found in cell membranes. 
B)  are used as an energy source by cells. 
C)  can be modified to form cholesterol. 
D)  are involved in the process of inflammation. 
E)  are found inside organelles.

Question 7

During the steps of glycolysis, ______ ATPs, ______ NADHs, and ______ molecules of pyruvate are produced.

Accepted Answer

A)  4;2;2 
B)  6;4;2 
C)  3;4;5 
D)  2;4;6 
E)  4;6;8 
A)  4;2;2 
B)  6;4;2 
C)  3;4;5 
D)  2;4;6 
E)  4;6;8

Question 8

How many ATP are made from each FADH2 that transfers electrons to the electron transport chain?

Accepted Answer

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

Question 9

Which of the following events occurs last?

Accepted Answer

A)  Hydrogen ions diffuse into inner mitochondrial compartment. 
B)  Hydrogen ions are moved from inner to outer mitochondrial compartment. 
C)  The movement of hydrogen ions through special channels is coupled to ATP production. 
D)  A hydrogen ion concentration gradient is established. 
E)  NADH transfer electrons to the electron-transport chain. 
A)  Hydrogen ions diffuse into inner mitochondrial compartment. 
B)  Hydrogen ions are moved from inner to outer mitochondrial compartment. 
C)  The movement of hydrogen ions through special channels is coupled to ATP production. 
D)  A hydrogen ion concentration gradient is established. 
E)  NADH transfer electrons to the electron-transport chain.

Question 10

A kilocalorie (kcal) is a measure of the

Accepted Answer

A)  protein content of food. 
B)  acidity of food. 
C)  fat content of food. 
D)  energy content of food. 
E)  heat content of food. 
A)  protein content of food. 
B)  acidity of food. 
C)  fat content of food. 
D)  energy content of food. 
E)  heat content of food.

Question 11

When glucose is metabolized in the absence of oxygen, one of the end products is

Accepted Answer

A)  pyruvic acid. 
B)  ketone bodies. 
C)  lactic acid. 
D)  citric acid. 
E)  nitric acid. 
A)  pyruvic acid. 
B)  ketone bodies. 
C)  lactic acid. 
D)  citric acid. 
E)  nitric acid.

Question 12

Which class of nutrients do we require the least of?

Accepted Answer

A)  Vitamins 
B)  Water 
C)  Carbohydrates 
D)  Lipids 
E)  Proteins 
A)  Vitamins 
B)  Water 
C)  Carbohydrates 
D)  Lipids 
E)  Proteins

Question 13

Slim N. Trim has been on a low-fat, no carbohydrate diet for two months. Which of the following would you expect to find in large quantities in the urine?

Accepted Answer

A)  glucose 
B)  lactic acid 
C)  pyruvic acid 
D)  ketone bodies 
E)  proteins 
A)  glucose 
B)  lactic acid 
C)  pyruvic acid 
D)  ketone bodies 
E)  proteins

Question 14

The process that uses amino acids and glycerol to form glucose is

Accepted Answer

A)  ketogenesis. 
B)  glycogenesis. 
C)  lipogenesis. 
D)  gluconeogenesis. 
E)  glycolysis. 
A)  ketogenesis. 
B)  glycogenesis. 
C)  lipogenesis. 
D)  gluconeogenesis. 
E)  glycolysis.

Question 15

Which of the following statements is true?

Accepted Answer

A)  The primary role of carbohydrates is to serve as an energy source. 
B)  Carbohydrates include sugars, starches, and amino acids. 
C)  Maltose is a complex carbohydrate. 
D)  Sucrose is the primary source of energy for most cells. 
E)  Most carbohydrates come from animal products. 
A)  The primary role of carbohydrates is to serve as an energy source. 
B)  Carbohydrates include sugars, starches, and amino acids. 
C)  Maltose is a complex carbohydrate. 
D)  Sucrose is the primary source of energy for most cells. 
E)  Most carbohydrates come from animal products.

Question 16

During the postabsorptive state, the first source of glucose is

Accepted Answer

A)  fat. 
B)  sugars. 
C)  glycogen. 
D)  amino acids. 
E)  carbohydrates. 
A)  fat. 
B)  sugars. 
C)  glycogen. 
D)  amino acids. 
E)  carbohydrates.

Question 17

Eicosanoids are involved in

Accepted Answer

A)  inflammation. 
B)  blood clotting. 
C)  tissue repair. 
D)  smooth muscle contraction. 
E)  All of these choices are correct. 
A)  inflammation. 
B)  blood clotting. 
C)  tissue repair. 
D)  smooth muscle contraction. 
E)  All of these choices are correct.

Question 18

The electron transport chain

Accepted Answer

A)  results in the formation of ATP. 
B)  converts acetate to ketone bodies. 
C)  converts glucose to fatty acids. 
D)  converts fatty acids to glucose. 
E)  removes a phosphate from ATP. 
A)  results in the formation of ATP. 
B)  converts acetate to ketone bodies. 
C)  converts glucose to fatty acids. 
D)  converts fatty acids to glucose. 
E)  removes a phosphate from ATP.

Question 19

The portion of the brain that regulates body temperature is the

Accepted Answer

A)  cerebral cortex. 
B)  hypothalamus. 
C)  medulla oblongata. 
D)  pons. 
E)  hypophysis. 
A)  cerebral cortex. 
B)  hypothalamus. 
C)  medulla oblongata. 
D)  pons. 
E)  hypophysis.

Question 20

In the process called __________, glucose is broken down to two pyruvic acid molecules.

Accepted Answer

The answer of In the process called __________, glucose is...

Exam 25: Nutrition, Metabolism, and Temperature Regulation

If air temperature is higher than skin temperature, _______ becomes a means of heat loss through evaporation.

Where does glycolysis take place?

The body synthesizes nonessential amino acids in a process called oxidative deamination.

Which of the following statements is true?

Proteins regulate the acid-base balance of the blood by

Phospholipids

During the steps of glycolysis, ______ ATPs, ______ NADHs, and ______ molecules of pyruvate are produced.

How many ATP are made from each FADH2 that transfers electrons to the electron transport chain?

Which of the following events occurs last?

A kilocalorie (kcal) is a measure of the

When glucose is metabolized in the absence of oxygen, one of the end products is

Which class of nutrients do we require the least of?

Slim N. Trim has been on a low-fat, no carbohydrate diet for two months. Which of the following would you expect to find in large quantities in the urine?

The process that uses amino acids and glycerol to form glucose is

Which of the following statements is true?

During the postabsorptive state, the first source of glucose is

Eicosanoids are involved in

The electron transport chain

The portion of the brain that regulates body temperature is the

In the process called __________, glucose is broken down to two pyruvic acid molecules.

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

Filters

During the steps of glycolysis, ATPs, NADHs, and __ molecules of pyruvate are produced.

How many ATP are made from each FADH₂ that transfers electrons to the electron transport chain?