Los Angeles City College » Physiology » Physiology 001 - Introduction to Human Physiology » Winter 2022

Question #1

An increase in the permeability of the cells of the collecting tubule to water is due to a(n) ________.

A. decrease in the concentration of the blood plasma

B. decrease in the production of ADH

C. increase in the production of aldosterone

D. increase in the production of ADH

Question #2

The kidneys are stimulated to produce renin ________.

A. by a decrease in the blood pressure

B. when the pH of the urine decreases

C. when the specific gravity of urine rises above 1.10

D. when the peritubular capillaries are dilated

Question #3

The mechanism of water reabsorption by the renal tubules is ________.

A. osmosis

B. active transport

C. filtration

D. cotransport with sodium ions

Question #4

In normal filtration, which of the following is not part of the filtrate (is not passing)?

A. water

B. Proteins

C. ions

D. bicarbonate

E. waste