Cypress College » Biology » Biology 241 - Accelerated General Human Physiology » Summer 2021

Question #1

Which of the following is a type of passive transport?

A. exocytosis

B. ion pump

C. cotransport

D. osmosis

Question #2

Which of the following is not true of the sodium/potassium pump?

A. moves 2 potassium ions in for each ATP used

B. moves ions down a diffusional concentration gradient

C. moves ions up against their concentration gradient

D. moves 3 sodium ions out for each ATP used

Question #3

The resting membrane potential is mostly negative because of:

A. cell membrane very permeable to sodium and large number on anions stuck inside cell

B. cell membrane very permeable to potassium, large number on anions stuck inside cell, and sodium/potassium pump

C. cell membrane very permeable to sodium, and sodium/potassium pump

Question #4

How many ATP molecules are used for facilitated diffusion?

A. 2

B. 3

C. 0

D. 1

Question #5

What type of IV (intravenous solution) should be given to a patient?

A. hypotonic to blood

B. isotonic to blood

C. hypertonic to blood