3. – Full Questions, Answers and Rationales |
2026 Update | Graded A+.
,
, NUR 280 Comprehensive Review (Comp 1, 2, 3) - Complete Q&A Bank 1-100
Based on the search results, this document compiles 100 verified questions and
answers for the NUR 280 Comprehensive Review covering Comp 1, Comp 2,
and Comp 3 at Galen College of Nursing . The material is organized by topic area
for easier study.
SECTION 1: CELLULAR BIOLOGY & ADAPTATION (Questions 1-15)
Q1. What happens in the ribosomes?
• Correct Answer: Protein synthesis
• Rationale: Ribosomes are the cellular organelles responsible for translating
genetic information into proteins. Hypoxia (lack of oxygen) decreases
ribosome activity .
Q2. What happens in the mitochondria?
• Correct Answer: Energy is released that the cell needs to do work; aerobic
metabolism requires oxygen; anaerobic does not
• Rationale: Mitochondria produce ATP through aerobic metabolism. They
are most abundant in muscle cells due to high energy demands .
Q3. How does the Sodium-Potassium Pump work?
• Correct Answer: Actively transports sodium OUT and potassium INTO the
cell
• Rationale: This pump maintains the resting membrane potential. Sodium
concentration is higher OUTSIDE the cell, while potassium concentration is
higher INSIDE .
Q4. What cells have the most mitochondria?
• Correct Answer: Muscle cells