Question 1
2/ 2pts
"Exertional heat cramps" may be the result of rapid and large losses of fluid and sodium.
True
False
Question 2
2/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
Dehydration and hypohydration can be used interchangeably because they both refer to the process of
losing water.
True
False
Question 11
2/ 2pts
Plasma and interstitial fluid, have nearly identical composition and distribution of electrolytes.
True
False
Question 12
2/ 2pts
Which system is the major physiological mechanism for regulating fluid balance?
Renal
Hepatic
Cardiovascular
Endocrine
Question 13
2/ 2pts
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/ 2pts
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/ 2pts
Glycerol is an osmotically active, water-retaining molecule.
True
False
Question 16
2/ 2pts
Subclinical vitamin deficiencies are well documented for nearly all vitamins.
True
False
Question 17
2/ 2pts
There is strong evidence that exercise substantially increases the need for most vitamins.
True
False
Question 18
2/ 2pts
The main function of vitamin E is to act as a(n) ____.
coenzyme
free radical
fat
antioxidant
Question 19
2/ 2pts
Overconsumption of which vitamin is most likely to result in toxicity?
Vitamin A (retinol)
Niacin
Vitamin B1B(thiamin)
Vitamin B12B(cobalamin)
Question 20
2/ 2pts
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/ 2pts
There is evidence that vitamin loss is substantially greater in athletes than in the sedentary population.
True
False
Question 22
2/ 2pts
Night blindness is associated with a clinical deficiency of ____.
vitamin E
vitamin A
thiamin
folic acid
Question 23
2/ 2pts
Each vitamin plays specific roles in the body that cannot be replaced or substituted by other vitamins.
True
False
Question 24
2/ 2pts
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/ 2pts
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/ 2pts
Most vitamin toxicities take about one to two weeks to develop.
True
False
Question 27
2/ 2pts
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/ 2pts
Only fat-soluble vitamins can be toxic in excess amounts.
True
False
Question 29
2/ 2pts
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/ 2pts
Osteopenia is known as a subclinical calcium deficiency.
True
False
Question 31
2/ 2pts
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/ 2pts
A good source of zinc is ____.
table salt
mushrooms
meat
green leafy vegetables
Question 33
2/ 2pts
A dietary source of magnesium is ____.
leafy green vegetables
milk
meat
beer
Question 34
2/ 2pts
Adequate mineral intake for athletes is generally associated with adequate caloric intake.
True
False
Question 35
2/ 2pts
Many minerals have similar chemical properties and compete with each other for absorption.
True
False
Question 36
2/ 2pts
According to the text, a mineral that is under substantial hormonal control is ____.
zinc
iron
calcium
selenium
Question 37
2/ 2pts
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/ 2pts
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/ 2pts
When iron-deficiency anemia is present, aerobic capacity declines and subsequently increases with iron
supplementation.
True
False
Question 40
2/ 2pts
For adults, the most common bone-related process is ____.
calcification
growth
remodeling
modeling
Question 41
2/ 2pts
A nutrient dense food is rich in nutrients compared to its caloric content.
True
False
Question 42
2/ 2pts
What forms the basis for planning an athlete’s diet?
Carbohydrate intake
Protein intake
Fat intake
Daily caloric intake
Question 43
2/ 2pts
What does the term “empty” calories mean?
High in calories
Devoid of calories
Contains artificial sweeteners
Lack of nutrients
Question 44
2/ 2pts
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/ 2pts
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/ 2pts
Postexercise protein intake, properly timed, is beneficial to muscle protein anabolism
True
False
I Question 47
0/ 2pts
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/ 2pts
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/ 2pts
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/ 2pts
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:90out of 100