31.Aldosterone and renin each function to promote which of the following processes?

a.electrolyte balance

b.retention of sodium

c.excretion of calcium

d.constriction of blood vessels

32.Among the following compounds, which promotes constriction of blood vessels resulting in elevation of blood pressure?

a.phytates

b.angiotensin

c.aldosterone

d.carbonic acid

33.What is the function of renin?

a.activate angiotensin

b.activate antidiuretic hormone

c.stimulate the thirst mechanism

d.stimulate water absorption from the GI tract

34.Ions that carry a positive charge are called which of the following terms?

a.anions

b.cations

c.mineralytes

d.valence ions

35.Which of the following instructions 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 cornstarch in a glass of water.

d.Vigorously shake a pinch of table sugar in warm water.

36.What is the largest extracellular anion?

a.sodium

b.lactate

c.sulfate

d.chloride

37.What is the major intracellular anion?

a.protein

b.sodium

c.phosphate

d.bicarbonate

38.What is the most prevalent extracellular cation?

a.sodium

b.sulphate

c.protein

d.potassium

39.What is the most prevalent intracellular cation?

a.sodium

b.calcium

c.phosphate

d.potassium

40.If the body is low on sodium, aldosterone will stimulate sodium reabsorption from which organ?

a.the heart

b.the liver

c.the pancreas

d.the kidneys