Question 1

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

Accepted Answer

A)  vitamin B5 (pantothenic acid). 
B)  vitamin B6 (pyridoxine). 
C)  vitamin B9 (folic acid). 
D)  vitamin C (ascorbic acid). 
E)  vitamin K. 
A)  vitamin B5 (pantothenic acid). 
B)  vitamin B6 (pyridoxine). 
C)  vitamin B9 (folic acid). 
D)  vitamin C (ascorbic acid). 
E)  vitamin K.

Question 2

The vitamin that is essential for liver synthesis of prothrombin and other clotting factors is

Accepted Answer

A)  vitamin A. 
B)  vitamin B. 
C)  vitamin E. 
D)  vitamin C. 
E)  vitamin K. 
A)  vitamin A. 
B)  vitamin B. 
C)  vitamin E. 
D)  vitamin C. 
E)  vitamin K.

Question 3

The sum of all of the chemical reactions occurring within the human body is called

Accepted Answer

A)  glycolysis. 
B)  oxidation. 
C)  catabolism. 
D)  anabolism. 
E)  metabolism. 
A)  glycolysis. 
B)  oxidation. 
C)  catabolism. 
D)  anabolism. 
E)  metabolism.

Question 4

Figure 17-1 The Citric Acid Cycle
Use Figure 17-1 to identify the element marked with a letter. (Example: COS1U1B12S1U1B0, HS1U1B12S1U1B0O)
-The ion(s) or molecule(s) labeled G is (are)

Accepted Answer

A)  CO2. 
B)  H2O. 
C)  O2. 
D)  H+. 
E)  2H. 
A)  CO2. 
B)  H2O. 
C)  O2. 
D)  H+. 
E)  2H.

Question 5

Figure 17-1 The Citric Acid Cycle
Use Figure 17-1 to identify the element marked with a letter. (Example: COS1U1B12S1U1B0, HS1U1B12S1U1B0O)
-The ion(s) or molecule(s) labeled B is (are)

Accepted Answer

A)  CO2. 
B)  H2O. 
C)  O2. 
D)  H+. 
E)  2H. 
A)  CO2. 
B)  H2O. 
C)  O2. 
D)  H+. 
E)  2H.

Question 6

A Calorie unit used in food is equal to the amount of energy necessary to raise the temperature of 1 kilogram of water ________ degree(s) Celsius.

Accepted Answer

A)  1 
B)  2 
C)  10 
D)  100 
E)  1,000 
A)  1 
B)  2 
C)  10 
D)  100 
E)  1,000

Question 7

Lipid catabolism yields 1.3 times as much ATP compared to aerobic glucose metabolism. So why is lipid catabolism not the prime source of ATP in the human body?

Accepted Answer

A)  Most people do not have enough lipid reserves. 
B)  Water-soluble enzymes cannot easily get to the lipid droplets. 
C)  Lipid catabolism occurs in the cytosol where oxygen availability is limited. 
D)  Lipid catabolism occurs primarily during times of starvation. 
E)  Lipid catabolism produces large amounts of nitrogenous wastes, which are taxing on the liver. 
A)  Most people do not have enough lipid reserves. 
B)  Water-soluble enzymes cannot easily get to the lipid droplets. 
C)  Lipid catabolism occurs in the cytosol where oxygen availability is limited. 
D)  Lipid catabolism occurs primarily during times of starvation. 
E)  Lipid catabolism produces large amounts of nitrogenous wastes, which are taxing on the liver.

Question 8

Which water-soluble vitamin must first be bound to the intrinsic factor secreted by the gastric mucosa before it can be absorbed by the intestinal epithelium?

Accepted Answer

A)  vitamin B2 (riboflavin) 
B)  vitamin C (ascorbic acid) 
C)  vitamin B12 (cobalamin) 
D)  vitamin B5 (pantothenic acid) 
E)  vitamin B6 (pyridoxine) 
A)  vitamin B2 (riboflavin) 
B)  vitamin C (ascorbic acid) 
C)  vitamin B12 (cobalamin) 
D)  vitamin B5 (pantothenic acid) 
E)  vitamin B6 (pyridoxine)

Question 9

Which of the following is a trace mineral?

Accepted Answer

A)  chloride 
B)  sodium 
C)  calcium 
D)  iron 
E)  magnesium 
A)  chloride 
B)  sodium 
C)  calcium 
D)  iron 
E)  magnesium

Question 10

The natural dietary sources for vitamin B12 (cobalamin) are

Accepted Answer

A)  fruits only. 
B)  meats and milk. 
C)  vegetables only. 
D)  breads and potatoes. 
E)  leafy vegetables. 
A)  fruits only. 
B)  meats and milk. 
C)  vegetables only. 
D)  breads and potatoes. 
E)  leafy vegetables.

Question 11

Performance in endurance sports improves if muscles have large stores of

Accepted Answer

A)  nucleic acids. 
B)  protein reserves. 
C)  lipid reserves. 
D)  amino acids. 
E)  carbohydrate reserves. 
A)  nucleic acids. 
B)  protein reserves. 
C)  lipid reserves. 
D)  amino acids. 
E)  carbohydrate reserves.

Question 12

The daily average water requirement for humans is

Accepted Answer

A)  250 ml. 
B)  2500 ml. 
C)  500 ml. 
D)  1500 ml. 
E)  1000 ml. 
A)  250 ml. 
B)  2500 ml. 
C)  500 ml. 
D)  1500 ml. 
E)  1000 ml.

Question 13

Which of the following processes of heat transfer is the result of heat loss to the air that overlies the surface of an object?

Accepted Answer

A)  radiation 
B)  conduction 
C)  evaporation 
D)  condensation 
E)  convection 
A)  radiation 
B)  conduction 
C)  evaporation 
D)  condensation 
E)  convection

Question 14

Hypovitaminosis of vitamin B12 can cause pernicious anemia, however, hypervitaminosis can cause

Accepted Answer

A)  polycythemia. 
B)  possible lethal CNS alterations. 
C)  hypotension. 
D)  kidney stones. 
E)  itching and tingling sensations. 
A)  polycythemia. 
B)  possible lethal CNS alterations. 
C)  hypotension. 
D)  kidney stones. 
E)  itching and tingling sensations.

Question 15

Charlie has a blood test that shows a normal level of LDLs but an elevated level of HDLs in his blood. Since his family has a history of cardiovascular disease, he wonders if he should modify his lifestyle. What should one advise him to do or not to dow?

Accepted Answer

Based just on the information given, Cha

Question 16

Nucleotides from RNA

Accepted Answer

A)  are deaminated to form ammonia. 
B)  can provide sugars for glycolysis, in order to form ATP. 
C)  can be used to synthesize proteins. 
D)  cannot be used as a source of energy in place of ATP. 
E)  cannot be recycled. 
A)  are deaminated to form ammonia. 
B)  can provide sugars for glycolysis, in order to form ATP. 
C)  can be used to synthesize proteins. 
D)  cannot be used as a source of energy in place of ATP. 
E)  cannot be recycled.

Question 17

Molecules that carry excess cholesterol from peripheral tissues to the liver for storage or secretion in the bile are called

Accepted Answer

A)  low-density lipoproteins (LDLs). 
B)  high-density lipoproteins (HDLs). 
C)  fatty acids. 
D)  steroids. 
E)  chylomicrons. 
A)  low-density lipoproteins (LDLs). 
B)  high-density lipoproteins (HDLs). 
C)  fatty acids. 
D)  steroids. 
E)  chylomicrons.

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

The vitamin that is essential for liver synthesis of prothrombin and other clotting factors is

The sum of all of the chemical reactions occurring within the human body is called

Figure 17-1 The Citric Acid Cycle Use Figure 17-1 to identify the element marked with a letter. (Example: CO₂, H₂O) -The ion(s) or molecule(s) labeled G is (are)

Figure 17-1 The Citric Acid Cycle Use Figure 17-1 to identify the element marked with a letter. (Example: CO₂, H₂O) -The ion(s) or molecule(s) labeled B is (are)

A Calorie unit used in food is equal to the amount of energy necessary to raise the temperature of 1 kilogram of water ________ degree(s) Celsius.

Lipid catabolism yields 1.3 times as much ATP compared to aerobic glucose metabolism. So why is lipid catabolism not the prime source of ATP in the human body?

Which water-soluble vitamin must first be bound to the intrinsic factor secreted by the gastric mucosa before it can be absorbed by the intestinal epithelium?

Which of the following is a trace mineral?

The natural dietary sources for vitamin B₁₂ (cobalamin) are

Performance in endurance sports improves if muscles have large stores of

The daily average water requirement for humans is

Which of the following processes of heat transfer is the result of heat loss to the air that overlies the surface of an object?

Hypovitaminosis of vitamin B₁₂can cause pernicious anemia, however, hypervitaminosis can cause

Charlie has a blood test that shows a normal level of LDLs but an elevated level of HDLs in his blood. Since his family has a history of cardiovascular disease, he wonders if he should modify his lifestyle. What should one advise him to do or not to dow?

Nucleotides from RNA

Molecules that carry excess cholesterol from peripheral tissues to the liver for storage or secretion in the bile are called

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Development and Inheritance

Filters

Exam 17: Metabolism and Energetics

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

The vitamin that is essential for liver synthesis of prothrombin and other clotting factors is

The sum of all of the chemical reactions occurring within the human body is called

Figure 17-1 The Citric Acid Cycle Use Figure 17-1 to identify the element marked with a letter. (Example: CO2, H2O) -The ion(s) or molecule(s) labeled G is (are)

Figure 17-1 The Citric Acid Cycle Use Figure 17-1 to identify the element marked with a letter. (Example: CO2, H2O) -The ion(s) or molecule(s) labeled B is (are)

A Calorie unit used in food is equal to the amount of energy necessary to raise the temperature of 1 kilogram of water ________ degree(s) Celsius.

Lipid catabolism yields 1.3 times as much ATP compared to aerobic glucose metabolism. So why is lipid catabolism not the prime source of ATP in the human body?

Which water-soluble vitamin must first be bound to the intrinsic factor secreted by the gastric mucosa before it can be absorbed by the intestinal epithelium?

Which of the following is a trace mineral?

The natural dietary sources for vitamin B12 (cobalamin) are

Performance in endurance sports improves if muscles have large stores of

The daily average water requirement for humans is

Which of the following processes of heat transfer is the result of heat loss to the air that overlies the surface of an object?

Hypovitaminosis of vitamin B12 can cause pernicious anemia, however, hypervitaminosis can cause

Charlie has a blood test that shows a normal level of LDLs but an elevated level of HDLs in his blood. Since his family has a history of cardiovascular disease, he wonders if he should modify his lifestyle. What should one advise him to do or not to dow?

Nucleotides from RNA

Molecules that carry excess cholesterol from peripheral tissues to the liver for storage or secretion in the bile are called

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Development and Inheritance

Filters

Figure 17-1 The Citric Acid Cycle Use Figure 17-1 to identify the element marked with a letter. (Example: CO₂, H₂O) -The ion(s) or molecule(s) labeled G is (are)

Figure 17-1 The Citric Acid Cycle Use Figure 17-1 to identify the element marked with a letter. (Example: CO₂, H₂O) -The ion(s) or molecule(s) labeled B is (are)

The natural dietary sources for vitamin B₁₂ (cobalamin) are

Hypovitaminosis of vitamin B₁₂can cause pernicious anemia, however, hypervitaminosis can cause