NTR 222 Exam 1: Questions & Answers: Latest A+
Guide Solutions
The majority of the body's total water content is in the:
a. intestinal and mucous secretions
b. extracellular compartments
c. plasma
d. intracellular compartments - ANSWERd. intracellular compartments
Water is a(n) ______________ molecule.
a. charged
b. organic
c. energy providing
d. uncharged - ANSWERa. charged
Water is important for controlling/regulating:
a. caloric intake
b. metabolism
c. blood pressure - ANSWERb. metabolism
Nausea and vomiting are signs of:
a. mild dehydration
b. hyponatremia
c. moderate to severe dehydration - ANSWERb. hyponatremia
Sodium is an:
a. inessential nutrient because the body already had what it needs
b. essential nutrient because we need it to function and the body cannot make it
c. inessential nutrient because we eat much more of it than we need - ANSWERb.
essential nutrient because we need it to function and the body cannot make it
A rapid heartbeat is a sign of _____________.
a. water intoxication
b. mild dehydration
c. hyponatremia
d. moderate to severe dehydration - ANSWERd. moderate to severe dehydration
The ratio of _____________ to _______________ may be a strong determinant of
blood pressure.
a. potassium; magnesium
b. chloride; potassium
c. sodium; potassium
d. sodium; magnesium - ANSWERc. sodium; potassium
Electrolytes are absorbed at a rate of:
a. 10-15%
,b. 70-75%
c. 90-95%
d. 40-50% - ANSWERc. 90-95%
Edema is caused by:
a. sodium building up outside the cells of a tissue
b. sodium building up on the inside of the cells of a tissue
c. water moving inside the cells of a tissue - ANSWERa. sodium building up outside
the cells of a tissue
Osmosis is the movement of:
a. electrolytes like sodium and potassium into areas of higher concentration
b. water into areas of lower salt concentration
c. electrolytes like sodium and potassium into areas of low concentration
d. water into areas of greater salt concentration - ANSWERd. water into areas of
greater salt concentration
An accurate method of determining if a food has a lot of sodium in it is:
a. both reading the food label and taste
b. whether or not it tastes salty
c. reading the food label - ANSWERc. reading the food label
Hyponatremia can happen when a person:
a. takes salt tablets during an athletic event
b. does not drink enough water during an athletic event
c. drinks too much water during an athletic event - ANSWERc. drinks too much water
during an athletic event
Diffusion is the movement of:
a. electrolytes like sodium and potassium into areas of higher concentration
b. water into areas of high salt concentration
c. electrolytes like sodium and potassium into areas of lower concentration
d. water into areas of low salt concentration - ANSWERc. electrolytes like sodium
and potassium into areas of lower concentration
Intracellular water includes the water in:
a. plasma
b. intestinal secretions
c. muscle cells - ANSWERc. muscle cells
Studies show that regular use of multivitamin/mineral supplements:
a. reduce the risk of heart disease in people with diabetes
b. can help lower blood pressure
c. may lower the risk of some cancers
d. do not reduce the risk of chronic disease - ANSWERd. do not reduce the risk of
chronic disease
, Research shows that vitamin/mineral supplementation with a specific formulation
can slow the progression of:
a. macular degeneration
b. hardening of the arteries
c. kidney damage caused by diabetes
d. nerve damage caused by diabetes - ANSWERa. macular degeneration
Dietary supplement makers are prohibited from making unfounded health claims on
their products.
a. True
b. False - ANSWERa. True
Which of the following plays a structural role in DNA?
a. magnesium
b. vitamin C
c. iron
d. phosphorus - ANSWERd. phosphorus
An example of a food that is enriched is:
a. white bread with B vitamins added
b. calcium added orange juice
c. iodized salt - ANSWERa. white bread with B vitamins added
Exposure to water can destroy the structure of:
a. folate
b. potassium
c. vitamin C
d. beta-carotene - ANSWERc. vitamin C
Average fractional absorption is lowest for which of the following:
a. iron
b. calcium
c. chloride
d. vitamin C - ANSWERa. iron
__________________ plays a role in bone mineralization.
a. Zinc
b. Iron
c. Potassium
d. Phosphorus - ANSWERd. Phosphorus
When your blood levels of calcium fall:
a. you must eat high calcium foods to replenish the blood levels of calcium
b. the body increases fractional absorption of calcium to 100%
c. calcium from the bones increases blood calcium levels - ANSWERc. calcium from
the bones increases blood calcium levels
Guide Solutions
The majority of the body's total water content is in the:
a. intestinal and mucous secretions
b. extracellular compartments
c. plasma
d. intracellular compartments - ANSWERd. intracellular compartments
Water is a(n) ______________ molecule.
a. charged
b. organic
c. energy providing
d. uncharged - ANSWERa. charged
Water is important for controlling/regulating:
a. caloric intake
b. metabolism
c. blood pressure - ANSWERb. metabolism
Nausea and vomiting are signs of:
a. mild dehydration
b. hyponatremia
c. moderate to severe dehydration - ANSWERb. hyponatremia
Sodium is an:
a. inessential nutrient because the body already had what it needs
b. essential nutrient because we need it to function and the body cannot make it
c. inessential nutrient because we eat much more of it than we need - ANSWERb.
essential nutrient because we need it to function and the body cannot make it
A rapid heartbeat is a sign of _____________.
a. water intoxication
b. mild dehydration
c. hyponatremia
d. moderate to severe dehydration - ANSWERd. moderate to severe dehydration
The ratio of _____________ to _______________ may be a strong determinant of
blood pressure.
a. potassium; magnesium
b. chloride; potassium
c. sodium; potassium
d. sodium; magnesium - ANSWERc. sodium; potassium
Electrolytes are absorbed at a rate of:
a. 10-15%
,b. 70-75%
c. 90-95%
d. 40-50% - ANSWERc. 90-95%
Edema is caused by:
a. sodium building up outside the cells of a tissue
b. sodium building up on the inside of the cells of a tissue
c. water moving inside the cells of a tissue - ANSWERa. sodium building up outside
the cells of a tissue
Osmosis is the movement of:
a. electrolytes like sodium and potassium into areas of higher concentration
b. water into areas of lower salt concentration
c. electrolytes like sodium and potassium into areas of low concentration
d. water into areas of greater salt concentration - ANSWERd. water into areas of
greater salt concentration
An accurate method of determining if a food has a lot of sodium in it is:
a. both reading the food label and taste
b. whether or not it tastes salty
c. reading the food label - ANSWERc. reading the food label
Hyponatremia can happen when a person:
a. takes salt tablets during an athletic event
b. does not drink enough water during an athletic event
c. drinks too much water during an athletic event - ANSWERc. drinks too much water
during an athletic event
Diffusion is the movement of:
a. electrolytes like sodium and potassium into areas of higher concentration
b. water into areas of high salt concentration
c. electrolytes like sodium and potassium into areas of lower concentration
d. water into areas of low salt concentration - ANSWERc. electrolytes like sodium
and potassium into areas of lower concentration
Intracellular water includes the water in:
a. plasma
b. intestinal secretions
c. muscle cells - ANSWERc. muscle cells
Studies show that regular use of multivitamin/mineral supplements:
a. reduce the risk of heart disease in people with diabetes
b. can help lower blood pressure
c. may lower the risk of some cancers
d. do not reduce the risk of chronic disease - ANSWERd. do not reduce the risk of
chronic disease
, Research shows that vitamin/mineral supplementation with a specific formulation
can slow the progression of:
a. macular degeneration
b. hardening of the arteries
c. kidney damage caused by diabetes
d. nerve damage caused by diabetes - ANSWERa. macular degeneration
Dietary supplement makers are prohibited from making unfounded health claims on
their products.
a. True
b. False - ANSWERa. True
Which of the following plays a structural role in DNA?
a. magnesium
b. vitamin C
c. iron
d. phosphorus - ANSWERd. phosphorus
An example of a food that is enriched is:
a. white bread with B vitamins added
b. calcium added orange juice
c. iodized salt - ANSWERa. white bread with B vitamins added
Exposure to water can destroy the structure of:
a. folate
b. potassium
c. vitamin C
d. beta-carotene - ANSWERc. vitamin C
Average fractional absorption is lowest for which of the following:
a. iron
b. calcium
c. chloride
d. vitamin C - ANSWERa. iron
__________________ plays a role in bone mineralization.
a. Zinc
b. Iron
c. Potassium
d. Phosphorus - ANSWERd. Phosphorus
When your blood levels of calcium fall:
a. you must eat high calcium foods to replenish the blood levels of calcium
b. the body increases fractional absorption of calcium to 100%
c. calcium from the bones increases blood calcium levels - ANSWERc. calcium from
the bones increases blood calcium levels
