NU220 Exam 3-Questions with Correct Answers/ Verified
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Course
NU220
Institution
NU220
What percentage of an adult's body is water?
a. 30
b. 40
c. 60
d. 90 - c. 60
The hormone that stimulates the kidneys to reabsorb water rather than excrete it is:
a. Thyroxine
b. ADH
c. Cortisone
d. epinephrine - b. ADH
NU220 Exam 3-Questions with Correct Answers/ Verified
What percentage of an adult's body is water?
a. 30
b. 40
c. 60
d. 90 - ✔✔c. 60
The hormone that stimulates the kidneys to reabsorb water rather than excrete it is:
a. Thyroxine
b. ADH
c. Cortisone
d. epinephrine - ✔✔b. ADH
Electrolytes in the body function to:
a. maintain fluid balance
b. stimulate enzyme action
c. synthesize protein
d. maintain the health of cell membranes - ✔✔a. maintain fluid balance
Which of the following is a trace mineral?
a. iron
b. sulfur
c. calcium
d. potassium - ✔✔a. iron
the primary regulator of extracellular fluid volume is:
a. chlorine
b. sodium
c. calcium
d. potassium - ✔✔b. sodium
,An important function of chloride in the body is to:
a. maintain fluid balance
b. regulate metabolism
c. develop bone cells
d. control blood glucose level - ✔✔a. maintain fluid balance
Potassium:
a. is directly necessary for protein synthesis in cells
b. protects bone structure against degeneration
c. is the body's principal electrolyte inside the cells
d. is necessary for wound healing
e. helps maintain gastric acidity - ✔✔c. is the body's principal electrolyte inside the cells
Heart failure related to potassium loss may occur:
a. with diets low in fresh fruits and vegetables
b. as a result of severe diarrhea
c. in persons with diabetes
d. due to an excessive intake of protein - ✔✔b. as a result of severe diarrhea
The typical U.S. diet provides__________ potassium.
a. adequate
b. excessive
c. inadequate
d. no - ✔✔c. inadequate
When blood calcium falls too low, a regulatory system acts in three locations to raise it. which of
these is not one of the locations?
a. stomach
b. small intestine
c. bones
, d. kidneys - ✔✔a. stomach
which of the following enhances calcium absorption from the GI tract?
a. vitamin D
b. vitamin C
c. protein
d. linoleic acid - ✔✔a. vitamin D
Magnesium's major functions in the body include all of the following except:
a. assisting the operation of hundreds of enzymes
b. synthesis of protein in the soft tissue
c. allowing muscles to relax after contraction
d. regulation of body temperature - ✔✔d. regulation of body temperature
Amino acids containing the mineral__________ help to form the shape of proteins.
a. sulfur
b. sodium
c. phosphorus
d. selenium - ✔✔a. sulfur
Iron us a component of the protein__________ which transports oxygen in the bloodstream.
a. myoglobin
b. transferrin
c. hemosiderin
d. hemoglobin - ✔✔d. hemoglobin
Pica is a behavior seen in some people who are deficient in:
a. sodium
b. potassium
c. chromium
d. iron - ✔✔d. iron
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