Which of the following describes an antiport system on the basal side of renal tubule cells?

A. It transports CO2 from the blood into the tubule cells.
B. It transports bicarbonate from the tubular fluid back into the tubule cells.
C. It transports H+ in both directions across the epithelium.
D. It exchanges K+ for Na+.
E. It exchanges H+ for Na+.


Answer: D

Anatomy & Physiology

You might also like to view...

In males, loss of function in the pituitary gland would most likely result in ________.

A. inhibited gamete development B. increased gamete development C. increased stimulation of FSH D. decreased stimulation of GnRH

Anatomy & Physiology

Which cells produce hydrochloric acid?

A. Chief cells B. Endocrine cells C. Parietal cells D. Mucous cells

Anatomy & Physiology

As a cell grows,

A. its volume increases to a lesser degree than its surface area. B. its requirement for nutrients increases to a lesser degree than its requirement for oxygen. C. the relationship between its surface area and volume remains unchanged. D. its surface area increases to a lesser degree than its volume.

Anatomy & Physiology

Cholecystokinin is a(n) _________ released by the _________

A. enzyme; stomach B. enzyme; small intestine C. enzyme; gallbladder D. hormone; small intestine E. hormone; gallbladder

Anatomy & Physiology