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NURS 6501 MIDTERM AND FINAL EXAM STUDY
GUIDE QUESTIONS AND ANSWERS
2026-27 LATEST VERSION
1. Which of the following is a hallmark of reversible cell
injury?
A. Karyolysis
B. Cellmembrane rupture
C. Cellular swelling
D. Mitochondrial calcification
Answer: C. Cellular swelling
Explanation: Reversible cell injury often involves cellular
swelling due to failure of ion pumps in the plasma membrane.
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2. What is the primary function of the sodium-
potassium pump?
A. Promote passive diffusion
B. Create equilibrium of ions
C. Maintain resting membrane potential
D. Facilitate protein synthesis
Answer: C. Maintain resting membrane potential
Explanation: The Na⁺/K⁺ ATPase pump maintains
electrochemical gradients essential for cell function.
NURS 6501 MIDTERM AND FINAL EXAM STUDY
GUIDE QUESTIONS AND ANSWERS
2026-27 LATEST VERSION
1. Which of the following is a hallmark of reversible cell
injury?
A. Karyolysis
B. Cellmembrane rupture
C. Cellular swelling
D. Mitochondrial calcification
Answer: C. Cellular swelling
Explanation: Reversible cell injury often involves cellular
swelling due to failure of ion pumps in the plasma membrane.
, 2
2. What is the primary function of the sodium-
potassium pump?
A. Promote passive diffusion
B. Create equilibrium of ions
C. Maintain resting membrane potential
D. Facilitate protein synthesis
Answer: C. Maintain resting membrane potential
Explanation: The Na⁺/K⁺ ATPase pump maintains
electrochemical gradients essential for cell function.
