Ch 7-9

Question 1

Up to what percentage of an adult’s healthy body weight is fluid?

Answer 1

70%

Question 2

What is the function of synovial fluid?

Answer 2

Lubricate body joints

Question 3

Which is NOT a symptom of low blood pressure?

Answer 3

Stroke

Question 4

Water functions as an excellent solvent, which means that

Answer 4

It is capable of dissolving a wide variety of substances.

Question 5

What is the primary reason we sweat?

Answer 5

To regulate body tempurature

Question 6

Most water is lost daily via the

Answer 6

Kidneys

Question 7

The ability of a muscle to contract and relax is dependent on the flow of what substance out of and into its storage site in the muscle cell?

Answer 7

Calcium

Question 8

Which of the following stimulates the thirst mechanism?

Answer 8

decreased concentration of solutes in the blood

Question 9

Which of the following is an example of insensible water loss?

Answer 9

Respiration

Question 10

Which of the following can contribute to dehydration?

Answer 10

Diarrhea

Question 11

Hyponatremia is associated with

Answer 11

Overhydration

Question 12

The majority of dietary chloride is consumed from

Answer 12

The salts in foods

Question 13

Widely distributed in many foods, phosphorous is especially abundant in foods high in

Answer 13

Protein

Question 14

Which of the following is NOT a major function of sodium?

Answer 14

contributes to the mineral complex of bone

Question 15

what do sodium and potassium NOT have in common?

Answer 15

Rich sources of both include fresh fruits and vegetables.

Question 16

After completing a 10K run, Bonita notices that her urine is brown and similar to the color of cola. What does this indicate about Bonita’s hydration status?

Answer 16

She is suffering from severe dehydration and needs treatment immediately

Question 17

A condition characterized by dangerously high potassium levels in the blood is

Answer 17

Hyperkalemia

Question 18

The release of which of the following nutrients from muscle cell storage sites stimulates muscle contraction?

Answer 18

Calcium

Question 19

The MOST serious type of heat illness is heat

Answer 19

Stroke

Question 20

The swelling of tissues associated with hypernatremia is known as

Answer 20

edema

Question 21

Sports beverages are a combination of fluid, carbohydrates, and

Answer 21

Electrolytes

Question 22

Which of the following is a molecule that combines with an enzyme to activate it and help it do its job?

Answer 22

A coenzyme

Question 23

What is the primary role of the B-vitamins?

Answer 23

Act as coensymes

Question 24

A person suffering from fatigue, muscle wasting, reduced cognitive function, and paralysis is most likely to have which of the following conditions?

Answer 24

beriberi

Question 25

Pellagra results from a deficiency of

Answer 25

niacin

Question 26

Good sources of riboflavin include

Answer 26

Milk, meats, and green vegetables.

Question 27

Which of the following is NOT a key role of folate during embryonic development?

Answer 27

maintenance of amniotic fluid

Question 28

A goiter can result from

Answer 28

too much or too little iodine in the diet

Question 29

Jane takes anticoagulant medication daily to prevent blood clots. Which vitamin must she avoid taking in excess of the RDA because it could interact with the medication and cause uncontrollable bleeding?

Answer 29

VItamen E

Question 30

Which of the following statements concerning vitamin C is TRUE?

Answer 30

Vitamin C helps protect smokers' lungs from oxidative damage prompted by tobacco smoke

Question 31

Beta-carotene is a precursor of

Answer 31

Retinol

Question 32

Vitamin A plays an essential role in the human body in

Answer 32

Maintaining healthy vision

Question 33

Which of the following is the MOST abundant mineral in our body?

Answer 33

Calcium

Question 34

what is not a function of calcium

Answer 34

stimulating osteoclasts to break down bone

Question 35

Vitamin D toxicity is associated with

Answer 35

Use of vitamin D supplements.

Question 36

People with diseases that result in the malabsorption of which nutrient are at risk for a vitamin D deficiency?

Answer 36

Fat

Question 37

Insufficient vitamin D during adulthood is associated with

Answer 37

Oteomalacia

Question 38

what is an excellent source of vitamin K?

Answer 38

Green leafy vegtables

Question 39

Which of the following foods are particularly high in phosphorus?

Answer 39

meats, milk, and eggs

Question 40

Fluorosis is associated with

Answer 40

excessive intake of fluoride

Question 41

A vitamin D deficiency in childhood may result in which disease characterized by inadequate mineralization of the skeleton?

Answer 41

Rickets

Question 42

Celine visited her doctor to examine a cut that continued to bleed. What deficiency is MOST likely to be causing this increased bleeding?

Answer 42

vitamin K

Question 43

Consuming vitamin C enhances the body's absorption of which mineral

Answer 43

iron