South University NSG5003 Week 5 Midterm Exam Latest (already graded)

South University NSG5003 Week 5 Midterm Exam Latest




Question 1

What causes the rapid change in the resting membrane potential to initiate an action

potential?

Question 1 options:

Potassium gates open and potassium rushes into the cell, changing the membrane potential

from negative to positive

Sodium gates open and sodium rushes into the cell, changing the membrane potential from

negative to positive.

Sodium gates close, allowing potassium into the cell to change the membrane potential from

positive to negative.

Potassium gates close, allowing sodium into the cell to change the membrane potential from

positive to negative.

Question 2

What is a consequence of leakage of lysosomal enzymes during chemical injury?

Question 2 options:

Enzymatic digestion of the nucleus and nucleolus occurs, halting deoxyribonucleic acid

(DNA) synthesis.

Influx of potassium ions into the mitochondria occurs, halting the adenosine triphosphate

(ATP) production.

Edema of the Golgi body occurs, preventing the transport of proteins out of the cell.

Shift of calcium out of the plasma membrane occurs, destroying the cytoskeleton.

Question 3