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. increase in the production of ADH

B. decrease in the production of ADH

C. decrease in the concentration of the blood plasma

D. increase in the production of aldosterone

Question #2

The kidneys are stimulated to produce renin ________.

A. by a decrease in the blood pressure

B. when the specific gravity of urine rises above 1.10

C. when the pH of the urine decreases

D. when the peritubular capillaries are dilated

Question #3

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

A. cotransport with sodium ions

B. osmosis

C. filtration

D. active transport

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. waste

E. bicarbonate