The Dietary Reference Intake (DRI) for sodium is 1,500 mg daily, however, these recommendations do NOT apply to:
a. men and women under the age of 50.
b. sedentary individuals.
c. lightly active individuals.
d. highly active individuals who sweat heavily.
Q. 2What is the primary source of sodium in the average American diet?
a. Using a salt shaker to add sodium to food
b. Consuming food and fluid that naturally contain sodium
c. Consuming processed food
d. All of the above are equal contributors
Q. 3Hypohydration initially occurs in:
a. extracellular fluid.
b. intracellular fluid.
Q. 4When an athlete sweats heavily, how does body water shift?
a. Water moves from the ICF into the ECF.
b. Water moves from the ECF into the ICF.
Q. 5Which accounts for the largest amount of water loss in an athlete exercising in the heat?
a. Feces
b. Lungs
c. Skin
d. Urine
Q. 6Which accounts for the largest amount of water loss in a sedentary individual?
a. Feces
b. Lungs
c. Insensible perspiration
d. Urine
Q. 7What is insensible water loss?
a. Loss of water as a result of sweating but not cooling in humid conditions
b. Large losses of water due to excessive sweating
c. Loss of water from the body that is not noticeable
d. All of the above
Q. 8When an athlete sweats heavily, what happens to the osmolarity of the blood?
a. Osmolarity increases
b. Osmolarity decreases
c. Osmolarity stays the same
Q. 9If the osmolarity of intracellular fluid (ICF) is higher than that of extracellular fluid (ECF), what is the tonicity of the blood?
a. The blood is isotonic to the ICF.
b. The blood is hypotonic to the ICF.
c. The blood is hypertonic to the ICF.
d. The blood is hypertonic to the ECF.
Q. 10If the osmolarity of intracellular fluid is higher than that of extracellular fluid, what is the effect on water movement?
a. Water will flow out of the cell
b. Water will flow into the cell
c. More water will be absorbed from food
d. More sweat will be produced
Quick Reply
