Question 1

The vitamin whose deficiency causes beriberi 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 2

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 3

Although other nutrients can feed into the citric acid cycle,________ yields energy the quickest.

Accepted Answer

A) glycogen 
B) glucose 
C) protein 
D) fat 
E) an amino acid 
A) glycogen 
B) glucose 
C) protein 
D) fat 
E) an amino acid

Question 4

If 8 molecules of NADH from the citric acid cycle entered the ETS,how much ATP would be produced?

Accepted Answer

A) 36 ATP 
B) 32 ATP 
C) 3 ATP 
D) 8 ATP 
E) 24 ATP 
A) 36 ATP 
B) 32 ATP 
C) 3 ATP 
D) 8 ATP 
E) 24 ATP

Question 5

For adults there are ________ essential amino acids.

Accepted Answer

A) 2 
B) 6 
C) 8 
D) 10 
E) 20 
A) 2 
B) 6 
C) 8 
D) 10 
E) 20

Question 6

The process of glycogen formation is known as ________.

Accepted Answer

The answer of The process of glycogen formation is known...

Question 7

During glycolysis

Accepted Answer

A) a molecule of glucose is converted into two molecules of pyruvic acid. 
B) four molecules of ATP are produced. 
C) two molecules of ATP are consumed. 
D) hydrogen atoms are removed from organic molecules. 
E) All of the answers are correct. 
A) a molecule of glucose is converted into two molecules of pyruvic acid. 
B) four molecules of ATP are produced. 
C) two molecules of ATP are consumed. 
D) hydrogen atoms are removed from organic molecules. 
E) All of the answers are correct.

Question 8

Wally decides to go on a hunger strike to further one of his favorite causes.After many days with nothing but water you would expect to observe

Accepted Answer

A) elevated levels of glucocorticoids. 
B) ketone bodies in his urine. 
C) decreased blood pH. 
D) decreased blood glucose level. 
E) All of the answers are correct. 
A) elevated levels of glucocorticoids. 
B) ketone bodies in his urine. 
C) decreased blood pH. 
D) decreased blood glucose level. 
E) All of the answers are correct.

Question 9

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

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) All of the answers are correct. 
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) All of the answers are correct.

Question 10

Compounds that cells can use to make glucose include all of the following,except

Accepted Answer

A) acetyl-CoA 
B) glycerol 
C) amino acids 
D) lactic acid 
E) pyruvic acid 
A) acetyl-CoA 
B) glycerol 
C) amino acids 
D) lactic acid 
E) pyruvic acid

Question 11

Nitrogen compounds of the body include all of the following,except

Accepted Answer

A) amino acids. 
B) oxaloacetic acid. 
C) creatine. 
D) porphyrin. 
E) purines. 
A) amino acids. 
B) oxaloacetic acid. 
C) creatine. 
D) porphyrin. 
E) purines.

Question 12

The heat-gain center for thermoregulation

Accepted Answer

A) resides in the pre-optic hypothalamus. 
B) activates shivering thermogenesis. 
C) activates nonshivering thermogenesis. 
D) activates skin vasoconstriction. 
E) All of the answers are correct. 
A) resides in the pre-optic hypothalamus. 
B) activates shivering thermogenesis. 
C) activates nonshivering thermogenesis. 
D) activates skin vasoconstriction. 
E) All of the answers are correct.

Question 13

When the temperature of the preoptic area of the hypothalamus exceeds its thermostat setting,

Accepted Answer

A) peripheral vasoconstriction occurs. 
B) skin blood flow increases. 
C) tidal volume increases. 
D) sweat glands are inhibited. 
E) skin blood flow increases and tidal volume increases. 
A) peripheral vasoconstriction occurs. 
B) skin blood flow increases. 
C) tidal volume increases. 
D) sweat glands are inhibited. 
E) skin blood flow increases and tidal volume increases.

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

What is the role of NADH in metabolism?

Accepted Answer

A) convert pyruvic acid into acetyl-coA 
B) produce bicarbonate ions for a pH buffer 
C) transport hydrogen atoms to coenzymes in the mitochondrial cristae 
D) produce carbon dioxide 
E) phosphorylate ADP into ATP 
A) convert pyruvic acid into acetyl-coA 
B) produce bicarbonate ions for a pH buffer 
C) transport hydrogen atoms to coenzymes in the mitochondrial cristae 
D) produce carbon dioxide 
E) phosphorylate ADP into ATP

Question 16

Which of the following statements regarding brown fat is false?

Accepted Answer

A) Brown fat is found in infants. 
B) Brown fat functions in nonshivering thermogenesis. 
C) Brown fat contains a rich vascular supply. 
D) Brown fat is innervated by the sympathetic nervous system. 
E) Brown fat is concentrated around visceral organs in the adult. 
A) Brown fat is found in infants. 
B) Brown fat functions in nonshivering thermogenesis. 
C) Brown fat contains a rich vascular supply. 
D) Brown fat is innervated by the sympathetic nervous system. 
E) Brown fat is concentrated around visceral organs in the adult.

Question 17

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 that enter the TCA cycle. 
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 that enter the TCA cycle. 
C) lipids are converted into glycogen molecules. 
D) it requires coenzyme A,NAD,and FAD. 
E) it yields large amounts of ATP.

Question 18

The loss of infrared energy from the body is called

Accepted Answer

A) radiation. 
B) conduction. 
C) convection. 
D) evaporation. 
E) thermal regulation. 
A) radiation. 
B) conduction. 
C) convection. 
D) evaporation. 
E) thermal regulation.

Question 19

The chemical equation that correctly summarizes the overall reaction in oxidative phosphorylation is

Accepted Answer

A) H₂ + O₂ → H₂O + O. 
B) 2 H₂ + O₂ → 2 H₂O. 
C) 3 H₂ + 2O₂ → 3 H₂O + 2 O. 
D) H₂ + O₂ → H₂O. 
E) P + 3 O → PO₃. 
A) H₂ + O₂ → H₂O + O. 
B) 2 H₂ + O₂ → 2 H₂O. 
C) 3 H₂ + 2O₂ → 3 H₂O + 2 O. 
D) H₂ + O₂ → H₂O. 
E) P + 3 O → PO₃.

Question 20

The loss of heat energy by vaporizing water is called ________.

Accepted Answer

The answer of The loss of heat energy by vaporizing...

Exam 25: Metabolism and Energetics

The vitamin whose deficiency causes beriberi is

The citric acid cycle

Although other nutrients can feed into the citric acid cycle,________ yields energy the quickest.

If 8 molecules of NADH from the citric acid cycle entered the ETS,how much ATP would be produced?

For adults there are ________ essential amino acids.

The process of glycogen formation is known as ________.

During glycolysis

Wally decides to go on a hunger strike to further one of his favorite causes.After many days with nothing but water you would expect to observe

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

Compounds that cells can use to make glucose include all of the following,except

Nitrogen compounds of the body include all of the following,except

The heat-gain center for thermoregulation

When the temperature of the preoptic area of the hypothalamus exceeds its thermostat setting,

The presence of ketone bodies in the urine is known as

What is the role of NADH in metabolism?

Which of the following statements regarding brown fat is false?

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

The loss of infrared energy from the body is called

The chemical equation that correctly summarizes the overall reaction in oxidative phosphorylation is

The loss of heat energy by vaporizing water is called ________.

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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