Question 1

The iron-carrying protein that assists in the transport of oxygen into muscle cells is

Accepted Answer

A)  myoglobin.
B)  hemoglobin.
C)  hematocrit.
D)  hemosiderin.E) None of the above
F) B) and C)

Question 2

What is the primary symptom of niacin toxicity?

Accepted Answer

A)  dizziness
B)  diarrhea
C)  fatigue
D)  flushingE) B) and D)
F) B) and C)

Question 3

What is the primary role of the B-vitamins?

Accepted Answer

A)  provide the body with energy
B)  act as coenzymes
C)  maintain and repair body tissues
D)  maintain acid-base balanceE) All of the above
F) C) and D)

Question 4

The phytates and fiber found in whole grains and beans strongly inhibit absorption of which nutrient?

Accepted Answer

A)  zinc
B)  iron
C)  B₁₂
D)  B₆E) None of the above
F) B) and D)

Question 5

The oxygen-carrying protein found in red blood cells is called

Accepted Answer

A)  homocysteine.
B)  hemocysteine.
C)  hemoglobin.
D)  myoglobin.E) All of the above
F) A) and D)

Question 6

A severe vitamin B₁₂ deficiency results what form of anemia?

Accepted Answer

A)  sickle cell
B)  thalessemia
C)  pernicious
D)  microcyticE) A) and B)
F) A) and C)

Question 7

Which of the following is NOT a symptom of pellagra?

Accepted Answer

A)  dermatitis
B)  diarrhea
C)  dementia
D)  dizzinessE) A) and D)
F) None of the above

Question 8

The transport protein for iron is

Accepted Answer

A)  heme.
B)  hemosiderin.
C)  ferritin.
D)  transferrin.E) B) and D)
F) A) and C)

Question 9

Research studies clearly indicate zinc lozenges reduce the length and severity of the common cold.

Accepted Answer

A) True 
 B)False

Question 10

Vitamin C impairs the absorption of iron.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following explains why folate is critical to the health of a newly conceived embryo?

Accepted Answer

A)  Folate is needed for proper cell division.
B)  Folate is essential for maintaining proper fluid balance.
C)  Folate regulates bone formation.
D)  Folate is essential for heart function.E) A) and B)
F) All of the above

Question 12

Because of a condition known as atrophic gastritis, older adults sometimes need to be given periodic injections of B₁₂.

Accepted Answer

A) True 
 B)False

Question 13

Zinc is a trace mineral that plays a critical role in

Accepted Answer

A)  bone health.
B)  the transport of iron to cells.
C)  brain function.
D)  sexual maturation.E) B) and C)
F) A) and D)

Question 14

Chromium assists in the uptake of which of the following?

Accepted Answer

A)  calcium
B)  sodium
C)  potassium
D)  glucoseE) B) and C)
F) All of the above

Question 15

Vitamin K deficiency is associated with an overgrowth of intestinal bacteria.

Accepted Answer

A) True 
 B)False

Question 16

Blood is the only fluid tissue in the human body.

Accepted Answer

A) True 
 B)False

Question 17

Which mineral increases insulin's effectiveness in cells?

Accepted Answer

A)  selenium
B)  chromium
C)  fluoride
D)  copperE) A) and C)
F) A) and B)

Question 18

Non-heme iron is found in both animal- and plant-based foods.

Accepted Answer

A) True 
 B)False

Question 19

The chronic overconsumption of which of the following foods can result in a biotin deficiency?

Accepted Answer

A)  herbal tea
B)  raw egg whites
C)  natural licorice
D)  grapefruit juiceE) B) and C)
F) B) and D)

Question 20

Which component of the blood is essential in transporting oxygen to body cells?

Accepted Answer

A)  leukocytes
B)  platelets
C)  erythrocytes
D)  plasmaE) C) and D)
F) B) and C)

Exam 10: Nutrients Involved in Energy Metabolism and Blood Health

What is the primary symptom of niacin toxicity?

Correct AnswerverifiedShow Answer

Non-heme iron is found in both animal- and plant-based foods.

Correct AnswerverifiedShow Answer

The transport protein for iron is

Correct AnswerverifiedShow Answer

Vitamin K deficiency is associated with an overgrowth of intestinal bacteria.

Correct AnswerverifiedShow Answer

Because of a condition known as atrophic gastritis, older adults sometimes need to be given periodic injections of B₁₂.

Correct AnswerverifiedShow Answer

Which component of the blood is essential in transporting oxygen to body cells?

Correct AnswerverifiedShow Answer

Which of the following is NOT a symptom of pellagra?

Correct AnswerverifiedShow Answer

Zinc is a trace mineral that plays a critical role in

Correct AnswerverifiedShow Answer

Vitamin C impairs the absorption of iron.

Correct AnswerverifiedShow Answer

Which mineral increases insulin's effectiveness in cells?

Correct AnswerverifiedShow Answer

The oxygen-carrying protein found in red blood cells is called

Correct AnswerverifiedShow Answer

Research studies clearly indicate zinc lozenges reduce the length and severity of the common cold.

Correct AnswerverifiedShow Answer

The chronic overconsumption of which of the following foods can result in a biotin deficiency?

Correct AnswerverifiedShow Answer

A severe vitamin B₁₂ deficiency results what form of anemia?

Correct AnswerverifiedShow Answer

The iron-carrying protein that assists in the transport of oxygen into muscle cells is

Correct AnswerverifiedShow Answer

Chromium assists in the uptake of which of the following?

Correct AnswerverifiedShow Answer

Blood is the only fluid tissue in the human body.

Correct AnswerverifiedShow Answer

What is the primary role of the B-vitamins?

Correct AnswerverifiedShow Answer

The phytates and fiber found in whole grains and beans strongly inhibit absorption of which nutrient?

Correct AnswerverifiedShow Answer

Which of the following explains why folate is critical to the health of a newly conceived embryo?

Correct AnswerverifiedShow Answer

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