Question 1

Phosphorus is enormously important in supporting all of the following functions except:

Accepted Answer

A)  bone health. 
B)  osmosis. 
C)  lipid transport. 
D)  cell membrane integrity. 
A)  bone health. 
B)  osmosis. 
C)  lipid transport. 
D)  cell membrane integrity.

Question 2

The majority of fluid in the body is located

Accepted Answer

A)  in the blood. 
B)  inside cells. 
C)  outside cells. 
D)  in tissues. 
A)  in the blood. 
B)  inside cells. 
C)  outside cells. 
D)  in tissues.

Question 3

Iron deficiency is the most common micronutrient deficiency in the world.

Accepted Answer

A) True 
 B)False

Question 4

Severe iron deficiency results in anemia. The red blood cells produced in iron-deficiency anemia are described as

Accepted Answer

A)  microcytic and hyperchromic. 
B)  microcytic and hypochromic. 
C)  macrocytic and hypochromic. 
D)  macrocytic and hyperchromic. 
A)  microcytic and hyperchromic. 
B)  microcytic and hypochromic. 
C)  macrocytic and hypochromic. 
D)  macrocytic and hyperchromic.

Question 5

Osteopenia refers to

Accepted Answer

A)  achievement of peak bone mass. 
B)  improved bone density. 
C)  moderate loss of bone density. 
D)  the final stage of osteoporosis. 
A)  achievement of peak bone mass. 
B)  improved bone density. 
C)  moderate loss of bone density. 
D)  the final stage of osteoporosis.

Question 6

Calcitonin and parathyroid hormone play opposite roles in calcium homeostasis such that

Accepted Answer

A)  calcitonin increases-and parathyroid hormone decreases-blood calcium levels. 
B)  calcitonin decreases-and parathyroid hormone increases-blood calcium levels. 
C)  calcitonin is secreted when blood calcium levels are low and parathyroid hormone is secreted when blood calcium levels are high. 
D)  calcitonin increases calcium absorption in the intestines and parathyroid hormone decreases calcium absorption in the intestines. 
A)  calcitonin increases-and parathyroid hormone decreases-blood calcium levels. 
B)  calcitonin decreases-and parathyroid hormone increases-blood calcium levels. 
C)  calcitonin is secreted when blood calcium levels are low and parathyroid hormone is secreted when blood calcium levels are high. 
D)  calcitonin increases calcium absorption in the intestines and parathyroid hormone decreases calcium absorption in the intestines.

Question 7

Calcium homeostasis is maintained by all of the following hormones except:

Accepted Answer

A)  vitamin D. 
B)  calcitonin. 
C)  thyroid hormone. 
D)  parathyroid hormone. 
A)  vitamin D. 
B)  calcitonin. 
C)  thyroid hormone. 
D)  parathyroid hormone.

Question 8

Evaporative cooling is a mechanism

Accepted Answer

A)  that is effective only in humid environments. 
B)  for maintaining appropriate body temperature. 
C)  that increases during dehydration. 
D)  that requires no water replacement. 
A)  that is effective only in humid environments. 
B)  for maintaining appropriate body temperature. 
C)  that increases during dehydration. 
D)  that requires no water replacement.

Question 9

One difference in the way the human body regulates iron and copper status is that

Accepted Answer

A)  unlike iron, copper is always absorbed at a high rate even when copper stores are high. 
B)  excess iron is excreted while excess copper is not. 
C)  excess copper is excreted while excess iron is not. 
D)  iron toxicity can result in liver damage, whereas copper toxicity does not. 
A)  unlike iron, copper is always absorbed at a high rate even when copper stores are high. 
B)  excess iron is excreted while excess copper is not. 
C)  excess copper is excreted while excess iron is not. 
D)  iron toxicity can result in liver damage, whereas copper toxicity does not.

Question 10

Stimulation that results in an influx of sodium ions into a cell coupled with the movement of potassium ions out of the cell explains the role of electrolytes in

Accepted Answer

A)  muscle contraction. 
B)  nerve impulse transmission. 
C)  osmosis. 
D)  muscle relaxation. 
A)  muscle contraction. 
B)  nerve impulse transmission. 
C)  osmosis. 
D)  muscle relaxation.

Question 11

Which of the following statements about hydroxyapatite is false?

Accepted Answer

A)  It is a reservoir for calcium in the body. 
B)  It regulates bone remodeling. 
C)  It is broken down by osteoclasts. 
D)  It is synthesized by osteoblasts. 
A)  It is a reservoir for calcium in the body. 
B)  It regulates bone remodeling. 
C)  It is broken down by osteoclasts. 
D)  It is synthesized by osteoblasts.

Question 12

Blood ferritin levels are specifically reflective of

Accepted Answer

A)  iron transport in the blood. 
B)  the rate of iron absorption in the intestine. 
C)  the ability of iron to be incorporated into proteins. 
D)  the amount of iron stored in the body. 
A)  iron transport in the blood. 
B)  the rate of iron absorption in the intestine. 
C)  the ability of iron to be incorporated into proteins. 
D)  the amount of iron stored in the body.

Question 13

Goiter results from iodine deficiency.

Accepted Answer

A) True 
 B)False

Question 14

Minerals that are components of antioxidant enzymes include all of the following except:

Accepted Answer

A)  manganese. 
B)  copper. 
C)  zinc. 
D)  molybdenum. 
A)  manganese. 
B)  copper. 
C)  zinc. 
D)  molybdenum.

Question 15

Antidiuretic hormone is released from the _____ in response to low blood volume.

Accepted Answer

A)  pituitary gland 
B)  adrenal gland 
C)  kidney 
A)  pituitary gland 
B)  adrenal gland 
C)  kidney

Question 16

Iodine is essential for proper growth and development, but zinc is not.

Accepted Answer

A) True 
 B)False

Question 17

Copper is transported in the blood by the protein

Accepted Answer

A)  transferrin. 
B)  ferritin. 
C)  ceruloplasmin. 
D)  superoxide dismutase. 
A)  transferrin. 
B)  ferritin. 
C)  ceruloplasmin. 
D)  superoxide dismutase.

Question 18

The majority of magnesium in the body is found in

Accepted Answer

A)  the brain. 
B)  cell membranes. 
C)  the blood. 
D)  the bones. 
A)  the brain. 
B)  cell membranes. 
C)  the blood. 
D)  the bones.

Question 19

Metallothionine is a protein produced in intestinal cells that plays an important role in regulating _____ absorption.

Accepted Answer

A)  iron 
B)  selenium 
C)  zinc 
D)  magnesium 
A)  iron 
B)  selenium 
C)  zinc 
D)  magnesium

Question 20

What percentage of total body weight is comprised of water?

Accepted Answer

A)  10-20% 
B)  25-40% 
C)  50-70% 
D)  75-85% 
A)  10-20% 
B)  25-40% 
C)  50-70% 
D)  75-85%

Phosphorus is enormously important in supporting all of the following functions except:

The majority of fluid in the body is located

Iron deficiency is the most common micronutrient deficiency in the world.

Severe iron deficiency results in anemia. The red blood cells produced in iron-deficiency anemia are described as

Osteopenia refers to

Calcitonin and parathyroid hormone play opposite roles in calcium homeostasis such that

Calcium homeostasis is maintained by all of the following hormones except:

Evaporative cooling is a mechanism

One difference in the way the human body regulates iron and copper status is that

Stimulation that results in an influx of sodium ions into a cell coupled with the movement of potassium ions out of the cell explains the role of electrolytes in

Which of the following statements about hydroxyapatite is false?

Blood ferritin levels are specifically reflective of

Goiter results from iodine deficiency.

Minerals that are components of antioxidant enzymes include all of the following except:

Antidiuretic hormone is released from the _____ in response to low blood volume.

Iodine is essential for proper growth and development, but zinc is not.

Copper is transported in the blood by the protein

The majority of magnesium in the body is found in

Metallothionine is a protein produced in intestinal cells that plays an important role in regulating _____ absorption.

What percentage of total body weight is comprised of water?

Why Does Nutrition Matter

Choosing Foods Wisely

Body Basics

Carbohydrates

Protein

Lipids

The Vitamins

Energy Balance and Body Weight Regulation

Life Cycle Nutrition

Nutrition and Physical Activity

Disordered Eating

Alcohol, Health, and Disease

Keeping Food Safe

Food Security, Hunger, and Malnutrition

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Exam 8: Water and the Minerals

Phosphorus is enormously important in supporting all of the following functions except:

The majority of fluid in the body is located

Iron deficiency is the most common micronutrient deficiency in the world.

Severe iron deficiency results in anemia. The red blood cells produced in iron-deficiency anemia are described as

Osteopenia refers to

Calcitonin and parathyroid hormone play opposite roles in calcium homeostasis such that

Calcium homeostasis is maintained by all of the following hormones except:

Evaporative cooling is a mechanism

One difference in the way the human body regulates iron and copper status is that

Stimulation that results in an influx of sodium ions into a cell coupled with the movement of potassium ions out of the cell explains the role of electrolytes in

Which of the following statements about hydroxyapatite is false?

Blood ferritin levels are specifically reflective of

Goiter results from iodine deficiency.

Minerals that are components of antioxidant enzymes include all of the following except:

Antidiuretic hormone is released from the _____ in response to low blood volume.

Iodine is essential for proper growth and development, but zinc is not.

Copper is transported in the blood by the protein

The majority of magnesium in the body is found in

Metallothionine is a protein produced in intestinal cells that plays an important role in regulating _____ absorption.

What percentage of total body weight is comprised of water?

Why Does Nutrition Matter

Choosing Foods Wisely

Body Basics

Carbohydrates

Protein

Lipids

The Vitamins

Energy Balance and Body Weight Regulation

Life Cycle Nutrition

Nutrition and Physical Activity

Disordered Eating

Alcohol, Health, and Disease

Keeping Food Safe

Food Security, Hunger, and Malnutrition

Filters