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Question 1
2/ 2pts
"Exertional heat cramps" may be the result of rapid and large losses of fluid and sodium.

True

False
Question 2
2/ 2pts
Wearing uniforms and protective gear while exercising in the heat typically ____.

keeps the sun off the skin and prevents body temperature from rising

restricts the evaporation of sweat and results in body temperature rising

has little effect on body temperature

reduces fluid loss through sweat
Question 3
2/ 2pts
Which of the following is an example of water shifting due to hydrostatic pressure?

Loss of plasma volume due to heavy sweating

Swelling of the feet and ankles when standing for a long period of time

Swelling of cells due to high intracellular sodium concentrations

Passive movement from areas of high solute concentration to areas of low solute concentration
Question 4
2/ 2pts
What effect would glycerol loading have on an athlete’s body weight?

No effect on body weight

Quick decrease in body weight

Slow decrease in body weight

Increase in body weight
Question 5
2/ 2pts
When comparing urine to a color chart, it is recommended that athletes use urine obtained from ____.

the first void (urination) of the day

the second void (urination) of the day

the last void (urination) before going to bed for the night

any void (urination) during the day
Question 6
2/ 2pts
The least accurate but most practical method of monitoring hydration status in athletes is ____.

24-hour urine volume

urine color

plasma osmolarity

isotope dilution
Question 7
2/ 2pts
Approximately how much sweat can an athlete lose each hour when exercising in a hot and humid
environment?

1 milliliter per hour

1 liter per hour

1 gallon per hour

25 cups per hour
Question 8
2/ 2pts
The current American College of Sports Medicine recommendation for fluid intake during exercise is
____.

50–150 ml every 15–20 minutes

5–10 ml/kg each hour

to drink as frequently and as much as possible

to develop a customized fluid plan that considers sweat rate
Question 9
2/ 2pts
Heat cramps (total body cramping when exercising in the heat) in athletes who are “salty sweaters”
appear to be caused by ____.

dehydration

sodium depletion

large losses of fluid and sodium

non-nutritional factors
Question 10
2/ 2pts
Dehydration and hypohydration can be used interchangeably because they both refer to the process of
losing water.

True

False
Question 11
2/ 2pts
Plasma and interstitial fluid, have nearly identical composition and distribution of electrolytes.

True

False
Question 12
2/ 2pts
Which system is the major physiological mechanism for regulating fluid balance?

Renal

Hepatic

Cardiovascular

Endocrine
Question 13
2/ 2pts
When hypohydration occurs in the ECF, the osmolarity of the ECF increases and water shifts from the
cells to the ECF.

True

False
Question 14
2/ 2pts
It would be inappropriate to use scale weight to monitor exercise-related fluid loss and subsequent
rehydration with which of the following athletes?

Endurance athlete exercising in the heat

Endurance athlete exercising in humid conditions

Strength athlete

Athlete struggling with body image
Question 15
2/ 2pts
Glycerol is an osmotically active, water-retaining molecule.

True

False
Question 16
2/ 2pts
Subclinical vitamin deficiencies are well documented for nearly all vitamins.

True

False
Question 17
2/ 2pts
There is strong evidence that exercise substantially increases the need for most vitamins.

True

False
Question 18
2/ 2pts
The main function of vitamin E is to act as a(n) ____.

coenzyme

free radical

fat

antioxidant
Question 19
2/ 2pts
Overconsumption of which vitamin is most likely to result in toxicity?

Vitamin A (retinol)

Niacin

Vitamin B1B(thiamin)

Vitamin B12B(cobalamin)
Question 20
2/ 2pts
What effect do vitamin BB12Binjections have in healthy athletes?

They decrease red blood cell production.

They increase oxygen delivery to cells.

They delay the onset of fatigue.

They have no effect.
Question 21
2/ 2pts
There is evidence that vitamin loss is substantially greater in athletes than in the sedentary population.

True

False
Question 22
2/ 2pts
Night blindness is associated with a clinical deficiency of ____.

vitamin E

vitamin A

thiamin

folic acid
Question 23
2/ 2pts
Each vitamin plays specific roles in the body that cannot be replaced or substituted by other vitamins.

True

False
Question 24
2/ 2pts
According to the assigned reading, which vitamins are associated with red blood cell formation?

Folic acid and vitamin B12

Vitamins D and B12

Thiamin, folic acid, and niacin

Riboflavin, folic acid, and niacin
Question 25
2/ 2pts
According to the assigned reading, in general, how long does it take vitamin toxicities to develop?

Several days to a few weeks

Several weeks to a few months

Several months to a few years

Many decades
Question 26
2/ 2pts
Most vitamin toxicities take about one to two weeks to develop.

True

False
Question 27
2/ 2pts
The nutrient content of foods began to decrease when which of the following became widespread?

Food processing

Food enrichment

Food fortification

It can't be changed
I Question 28
0/ 2pts
Only fat-soluble vitamins can be toxic in excess amounts.

True

False
Question 29
2/ 2pts
When the body wants to limit iron absorption it can leave iron in mucosal cells and wait for those cells to
die and slough off.

True

False
Question 30
2/ 2pts
Osteopenia is known as a subclinical calcium deficiency.

True

False
Question 31
2/ 2pts
According to the assigned reading, at what age does peak trabecular bone mineral density occur (assume
adequate calcium intake)?

10 to 20 years

20 to 30 years

30 to 40 years

After age 40
Question 32
2/ 2pts
A good source of zinc is ____.

table salt

mushrooms

meat

green leafy vegetables
Question 33
2/ 2pts
A dietary source of magnesium is ____.

leafy green vegetables

milk

meat

beer
Question 34
2/ 2pts
Adequate mineral intake for athletes is generally associated with adequate caloric intake.

True

False
Question 35
2/ 2pts
Many minerals have similar chemical properties and compete with each other for absorption.

True

False
Question 36
2/ 2pts
According to the text, a mineral that is under substantial hormonal control is ____.

zinc

iron

calcium

selenium
Question 37
2/ 2pts
Many distance runners have low bone density, which is most likely due to ____.

high caloric intake

low energy availability

weight-bearing activities always tend to decrease bone mineral density

a clinical mineral deficiency
I Question 38
0/ 2pts
What is myoglobin?

Storage form of hemoglobin

Transport form of hemoglobin

Iron-containing protein found in the liver

Iron-containing protein found in muscle fibers
Question 39
2/ 2pts
When iron-deficiency anemia is present, aerobic capacity declines and subsequently increases with iron
supplementation.

True

False
Question 40
2/ 2pts
For adults, the most common bone-related process is ____.

calcification

growth

remodeling

modeling
Question 41
2/ 2pts
A nutrient dense food is rich in nutrients compared to its caloric content.

True

False
Question 42
2/ 2pts
What forms the basis for planning an athlete’s diet?

Carbohydrate intake

Protein intake

Fat intake

Daily caloric intake
Question 43
2/ 2pts
What does the term “empty” calories mean?

High in calories

Devoid of calories

Contains artificial sweeteners

Lack of nutrients
Question 44
2/ 2pts
For underweight athletes who are not struggling with disordered eating, the general recommendation is to
increase caloric intake by approximately 500 kcal daily.

True

False
I Question 45
0/ 2pts
What is the recommended intake of carbohydrate during endurance sports?

10 to 30 g/h

30 to 60 g/h

60 to 90 g/h

90 to 120 g/h
Question 46
2/ 2pts
Postexercise protein intake, properly timed, is beneficial to muscle protein anabolism

True

False
I Question 47
0/ 2pts
Dr. Timothy Noakes estimates the performance enhancement associated with caffeine to be ____ percent.

1 to 2

1 to 3

3 to 4

3 to 5
I Question 48
0/ 2pts
Which practitioners areBspecifically trained to evaluate and plan athletes’ diets?

Certified strength and conditioning specialists (CSCS)

Certified athletic trainers (ATC)

Sports dietitians

Nutritionists
Question 49
2/ 2pts
Why is it important to consume carbohydrate immediately after exercise?

To resynthesize muscle glycogen at its highest rate

To build and repair muscle

To replenish fat storage (adipose tissue)

To replace lost electrolytes
Question 50
2/ 2pts
Would the statement, “Calcium builds strong bones” be allowed to appear on a dietary supplement label?

This statement is a health claim and such claims are not allowed.

This statement is a therapeutic claim and such claims are not allowed.

This statement is a therapeutic claim and such claims are allowed.

This statement is a health claim and such claims are allowed.
Quiz Score:90out of 100
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