Question 1

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 C is (are)

Accepted Answer

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

Question 2

Which of the following activities expends the most calories per hour?

Accepted Answer

A)  speed walking 
B)  jogging 
C)  slow walking 
D)  competitive swimming 
E)  climbing stairs 
A)  speed walking 
B)  jogging 
C)  slow walking 
D)  competitive swimming 
E)  climbing stairs D

Question 3

Which of the following may not be used for gluconeogenesis because their breakdown produces acetyl CoA?

Accepted Answer

A)  fatty acids 
B)  complex carbohydrates 
C)  glycerol 
D)  nucleic acids 
E)  glycogen 
A)  fatty acids 
B)  complex carbohydrates 
C)  glycerol 
D)  nucleic acids 
E)  glycogen A

Question 4

Which of the following is a complete protein source?

Accepted Answer

A)  corn 
B)  spinach 
C)  rice 
D)  eggs 
E)  oranges 
A)  corn 
B)  spinach 
C)  rice 
D)  eggs 
E)  oranges

Question 5

Which is accurate regarding ketoacidosis?

Accepted Answer

A)  Blood pH may drop below 7.05. 
B)  Blood pH may rise to 9.05. 
C)  Blood pH is not affected. 
D)  Increased alkalinity of body tissues occurs. 
E)  Conditions do not ever become so severe that coma results. 
A)  Blood pH may drop below 7.05. 
B)  Blood pH may rise to 9.05. 
C)  Blood pH is not affected. 
D)  Increased alkalinity of body tissues occurs. 
E)  Conditions do not ever become so severe that coma results.

Question 6

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)

Accepted Answer

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

Question 7

Synthesis of ________ occurs only in cells preparing for mitosis or meiosis.

Accepted Answer

A)  ribosomal RNA (rRN
A)  
B)  cholesterol 
C)  messenger RNA (mRN
A)  
D)  DNA 
E)  transfer RNA (tRN
A)  
A)  ribosomal RNA (rRN
A)  
B)  cholesterol 
C)  messenger RNA (mRN
A)  
D)  DNA 
E)  transfer RNA (tRN
A)

Question 8

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)

Accepted Answer

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

Question 9

Which of the following is a major anion in body fluids,primarily excreted through urine and sweat?

Accepted Answer

A)  sodium 
B)  chloride 
C)  potassium 
D)  calcium 
E)  zinc 
A)  sodium 
B)  chloride 
C)  potassium 
D)  calcium 
E)  zinc

Question 10

Glycerol enters the citric acid cycle after enzymes in the cytosol convert it to

Accepted Answer

A)  glucose. 
B)  pyruvate. 
C)  glycogen. 
D)  LDL/HDL. 
E)  cholesterol. 
A)  glucose. 
B)  pyruvate. 
C)  glycogen. 
D)  LDL/HDL. 
E)  cholesterol.

Question 11

Mucosal deterioration is a sign of hypovitaminosis for vitamins C,B₂,and

Accepted Answer

A)  B₃. 
B)  A. 
C)  D. 
D)  K. 
E)  C. 
A)  B₃. 
B)  A. 
C)  D. 
D)  K. 
E)  C.

Question 12

Regarding the citric acid cycle,which molecule participates in a complex reaction involving NAD and coenzyme A within the mitochondrion?

Accepted Answer

A)  pyruvate 
B)  citric acid 
C)  ATP 
D)  oxygen 
E)  FADH₂ 
A)  pyruvate 
B)  citric acid 
C)  ATP 
D)  oxygen 
E)  FADH₂

Question 13

Most cells generate ATP and other high-energy compounds by breaking down carbohydrates,especially

Accepted Answer

A)  ribose. 
B)  galactose. 
C)  sucrose. 
D)  fructose. 
E)  glucose. 
A)  ribose. 
B)  galactose. 
C)  sucrose. 
D)  fructose. 
E)  glucose.

Question 14

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 do?

Accepted Answer

Based just on the information given,Char

Question 15

Which of the following delivers cholesterol to peripheral tissues?

Accepted Answer

A)  triglycerides 
B)  low-density lipoproteins 
C)  high-density lipoproteins 
D)  free fatty acids 
E)  glycerol groups 
A)  triglycerides 
B)  low-density lipoproteins 
C)  high-density lipoproteins 
D)  free fatty acids 
E)  glycerol groups

Question 16

Which fat-soluble vitamin is synthesized in skin that is exposed to sunlight?

Accepted Answer

A)  vitamin K 
B)  vitamin E 
C)  vitamin B₆ (pyridoxine) 
D)  vitamin D 
E)  vitamin C 
A)  vitamin K 
B)  vitamin E 
C)  vitamin B₆ (pyridoxine) 
D)  vitamin D 
E)  vitamin C

Question 17

In transamination,the amino group of an amino acid is transferred to

Accepted Answer

A)  ammonia. 
B)  urea. 
C)  another carbon chain. 
D)  a molecule in the glycolytic pathway. 
E)  acetyl CoA. 
A)  ammonia. 
B)  urea. 
C)  another carbon chain. 
D)  a molecule in the glycolytic pathway. 
E)  acetyl CoA.

Question 18

During glycolysis in the cytoplasm,the cell gains how many molecules of ATP for each glucose molecule broken down to pyruvate?

Accepted Answer

A)  2 
B)  4 
C)  30 
D)  36 
E)  38 
A)  2 
B)  4 
C)  30 
D)  36 
E)  38

Question 19

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 20

Which of the following is the maximum "healthy" cholesterol level in a typical 19-year-old male?

Accepted Answer

A)  230 mg/dL 
B)  185 mg/dL 
C)  200 mg/dL 
D)  350 mg/dL 
E)  250 mg/dL 
A)  230 mg/dL 
B)  185 mg/dL 
C)  200 mg/dL 
D)  350 mg/dL 
E)  250 mg/dL

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 C is (are)

Which of the following activities expends the most calories per hour?

Which of the following may not be used for gluconeogenesis because their breakdown produces acetyl CoA?

Which of the following is a complete protein source?

Which is accurate regarding ketoacidosis?

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)

Synthesis of ________ occurs only in cells preparing for mitosis or meiosis.

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)

Which of the following is a major anion in body fluids,primarily excreted through urine and sweat?

Glycerol enters the citric acid cycle after enzymes in the cytosol convert it to

Mucosal deterioration is a sign of hypovitaminosis for vitamins C,B₂,and

Regarding the citric acid cycle,which molecule participates in a complex reaction involving NAD and coenzyme A within the mitochondrion?

Most cells generate ATP and other high-energy compounds by breaking down carbohydrates,especially

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 do?

Which of the following delivers cholesterol to peripheral tissues?

Which fat-soluble vitamin is synthesized in skin that is exposed to sunlight?

In transamination,the amino group of an amino acid is transferred to

During glycolysis in the cytoplasm,the cell gains how many molecules of ATP for each glucose molecule broken down to pyruvate?

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

Which of the following is the maximum "healthy" cholesterol level in a typical 19-year-old male?

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

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Exam 17: Metabolism and Energetics

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 C is (are)

Which of the following activities expends the most calories per hour?

Which of the following may not be used for gluconeogenesis because their breakdown produces acetyl CoA?

Which of the following is a complete protein source?

Which is accurate regarding ketoacidosis?

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)

Synthesis of ________ occurs only in cells preparing for mitosis or meiosis.

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)

Which of the following is a major anion in body fluids,primarily excreted through urine and sweat?

Glycerol enters the citric acid cycle after enzymes in the cytosol convert it to

Mucosal deterioration is a sign of hypovitaminosis for vitamins C,B₂,and

Regarding the citric acid cycle,which molecule participates in a complex reaction involving NAD and coenzyme A within the mitochondrion?

Most cells generate ATP and other high-energy compounds by breaking down carbohydrates,especially

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 do?

Which of the following delivers cholesterol to peripheral tissues?

Which fat-soluble vitamin is synthesized in skin that is exposed to sunlight?

In transamination,the amino group of an amino acid is transferred to

During glycolysis in the cytoplasm,the cell gains how many molecules of ATP for each glucose molecule broken down to pyruvate?

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

Which of the following is the maximum "healthy" cholesterol level in a typical 19-year-old male?

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

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