What is the function of renin?
a. Activates angiotensin
b. Activates antidiuretic hormone
c. Stimulates the thirst mechanism
d. Stimulates water absorption from the GI tract
e. Stimulates the production of calcitonin.
Q. 2What is the major extracellular anion?
a. Sodium
b. Lactate
c. Sulfate
d. Chloride
e. Potassium
Q. 3Which of the following describes a way to make an electrolyte solution?
a. Dissolve a teaspoon of salt in a glass of water
b. Vigorously shake a mixture of corn oil and water
c. Dissolve a pinch of corn starch in a glass of water
d. Vigorously shake a pinch of table sugar in warm water
e. Vigorously shake a tablespoon of corn syrup or molasses in warm water
Q. 4Ions that carry a positive charge are called
a. anions.
b. cations.
c. mineralytes.
d. valence ions.
e. proions.
Q. 5Among the following, which promotes constriction of blood vessels, resulting in elevation of blood pressure?
a. Phytates
b. Angiotensin
c. Aldosterone
d. Carbonic acid
e. Magnesium
Q. 6Aldosterone and renin each function to promote
a. electrolyte balance.
b. retention of sodium.
c. excretion of calcium.
d. constriction of blood vessels.
e. secretion of water.
Q. 7What pituitary hormone regulates kidney retention of water?
a. Thyroxine
b. Cortisone
c. Epinephrine
d. Antidiuretic hormone
e. Aldosterone
Q. 8How does antidiuretic hormone function?
a. It activates renin
b. It activates angiotensin
c. It stimulates water reabsorption by the kidneys
d. It stimulates sodium reabsorption by the kidneys
e. It activates aldosterone
Q. 9What organ provides the major control for homeostasis of body fluids?
a. Liver
b. Heart
c. Kidneys
d. Skeletal muscle
e. Pancreas
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