Nutrition 100 - Elements of Nutrition » Spring 2023 » Week 4 Quiz

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Question #1
__________ is a major electrolyte mineral that is important for fluid balance, nerve impulse transmission, acid-base balance, and is part of hydrochloric acid. Deficiency is rare because this mineral is contained in table salt.
A.   Selenium
B.   Potassium
C.   Chloride
D.   Calcium
E.   Sodium
Question #2
What is NOT a natural function that water promotes within the human body?
A.   lubricant
B.   increased body temperature
C.   transportation system
D.   participant in biochemical reactions
Question #3
Which organs or glands are important in regulating water output?
A.   the kidneys and the hypothalamus
B.   only the kidneys
C.   the kidneys and endocrine glands
D.   the kidneys, hypothalamus, and endocrine glands
Question #4
Which of the following is a true statement?
A.   Water moves freely across the cell membrane.
B.   Electrolytes move freely across the cell membrane.
Question #5
Why is very little sodium (200 mg) required in the diet for a sedentary individual?
A.   because sodium is collected in the urinary bladder
B.   because the kidneys actively reabsorb sodium
C.   because sodium is released into the urine
D.   because the kidneys do not reabsorb sodium
Question #6
Electrolytes move freely across the cell membrane, whereas water requires a special channel or protein.
A.   True
B.   False
Question #7
Which of the following is NOT a way the body regulates fluid balance?
A.   by signaling the thirst mechanism
B.   by pumping sodium out of cells and potassium into cells
C.   by decreasing urine output from the kidneys
D.   by controlling the movement of water in and out of cells
Question #8
What is the absolute minimum number of servings of fruits and vegetables recommended in a healthy diet per day?
A.   six
B.   five
C.   seven
D.   four
Question #9
What are the names of the hormones that play an important role in the regulation of potassium in the body?
A.   primarily insulin and partially by glucagon
B.   primarily insulin and partially by aldosterone
C.   mainly glucagon and insulin
D.   primarily aldosterone and secondarily insulin
Question #10
Extracellular fluid includes interstitial fluids of both cells and plasma.
A.   True
B.   False

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