Apex Mock Exams Study Guide Questions
And Correct Answers (Verified Answers)
Plus Rationales 2027 Q&A | Instant
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1. Which phase of the nursing process involves collecting patient
information?
A. Diagnosis
B. Planning
C. Implementation
D. Assessment
Answer: D. Assessment
Rationale: Assessment is the first step of the nursing process. During this
phase, the nurse gathers subjective and objective data through
interviews, physical examinations, observation, and diagnostic results.
Accurate assessment provides the foundation for all subsequent nursing
decisions.
, 2. Which electrolyte is the major intracellular cation?
A. Sodium
B. Calcium
C. Potassium
D. Chloride
Answer: C. Potassium
Rationale: Potassium is the primary intracellular cation and plays a vital
role in nerve conduction, muscle contraction, and cardiac rhythm.
Sodium is the major extracellular cation.
3. A patient has a blood pressure of 88/54 mm Hg and dizziness.
What should the nurse do first?
A. Notify dietary services
B. Assess the patient further and ensure safety
C. Administer pain medication
D. Encourage ambulation
Answer: B. Assess the patient further and ensure safety
Rationale: The nurse should first assess the patient's condition and
prevent injury. Hypotension accompanied by dizziness increases the risk
for falls and may indicate decreased tissue perfusion.
, 4. Which chamber of the heart pumps oxygenated blood to the
body?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
Answer: D. Left ventricle
Rationale: The left ventricle pumps oxygen-rich blood through the aorta
into systemic circulation. It has the thickest muscular wall because it
generates the highest pressure.
5. Which finding is most consistent with hypoglycemia?
A. Dry skin
B. Bradycardia
C. Diaphoresis and shakiness
D. Polyuria
Answer: C. Diaphoresis and shakiness
, Rationale: Hypoglycemia commonly causes sweating, tremors, hunger,
confusion, anxiety, and tachycardia due to activation of the sympathetic
nervous system.
6. Which laboratory value best evaluates long-term blood glucose
control?
A. Random glucose
B. Fasting glucose
C. Oral glucose tolerance test
D. Hemoglobin A1C
Answer: D. Hemoglobin A1C
Rationale: Hemoglobin A1C reflects average blood glucose over
approximately 2–3 months, making it the preferred indicator of long-
term glycemic control.
7. Which action best prevents healthcare-associated infections?
A. Wearing gloves at all times
B. Wearing gowns for every patient
C. Performing proper hand hygiene
D. Limiting patient visitors
And Correct Answers (Verified Answers)
Plus Rationales 2027 Q&A | Instant
Download Pdf
1. Which phase of the nursing process involves collecting patient
information?
A. Diagnosis
B. Planning
C. Implementation
D. Assessment
Answer: D. Assessment
Rationale: Assessment is the first step of the nursing process. During this
phase, the nurse gathers subjective and objective data through
interviews, physical examinations, observation, and diagnostic results.
Accurate assessment provides the foundation for all subsequent nursing
decisions.
, 2. Which electrolyte is the major intracellular cation?
A. Sodium
B. Calcium
C. Potassium
D. Chloride
Answer: C. Potassium
Rationale: Potassium is the primary intracellular cation and plays a vital
role in nerve conduction, muscle contraction, and cardiac rhythm.
Sodium is the major extracellular cation.
3. A patient has a blood pressure of 88/54 mm Hg and dizziness.
What should the nurse do first?
A. Notify dietary services
B. Assess the patient further and ensure safety
C. Administer pain medication
D. Encourage ambulation
Answer: B. Assess the patient further and ensure safety
Rationale: The nurse should first assess the patient's condition and
prevent injury. Hypotension accompanied by dizziness increases the risk
for falls and may indicate decreased tissue perfusion.
, 4. Which chamber of the heart pumps oxygenated blood to the
body?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
Answer: D. Left ventricle
Rationale: The left ventricle pumps oxygen-rich blood through the aorta
into systemic circulation. It has the thickest muscular wall because it
generates the highest pressure.
5. Which finding is most consistent with hypoglycemia?
A. Dry skin
B. Bradycardia
C. Diaphoresis and shakiness
D. Polyuria
Answer: C. Diaphoresis and shakiness
, Rationale: Hypoglycemia commonly causes sweating, tremors, hunger,
confusion, anxiety, and tachycardia due to activation of the sympathetic
nervous system.
6. Which laboratory value best evaluates long-term blood glucose
control?
A. Random glucose
B. Fasting glucose
C. Oral glucose tolerance test
D. Hemoglobin A1C
Answer: D. Hemoglobin A1C
Rationale: Hemoglobin A1C reflects average blood glucose over
approximately 2–3 months, making it the preferred indicator of long-
term glycemic control.
7. Which action best prevents healthcare-associated infections?
A. Wearing gloves at all times
B. Wearing gowns for every patient
C. Performing proper hand hygiene
D. Limiting patient visitors
