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Rationales 2026 Q&A | Instant
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Question 1
Which assessment is considered an objective finding?
A. The patient reports nausea.
B. The patient states they have pain.
C. The nurse observes a temperature of 38.5°C (101.3°F).
D. The patient says they feel dizzy.
Correct Answer: C. The nurse observes a temperature of 38.5°C (101.3°F).
Rationale:
Objective data are measurable and observable by the nurse. A recorded
temperature is objective, while pain, nausea, and dizziness are subjective
symptoms reported by the patient.
Question 2
Which vital sign is considered normal for a healthy adult?
A. Heart rate of 40 beats/min
B. Respiratory rate of 16 breaths/min
C. Blood pressure of 180/100 mmHg
D. Temperature of 35°C (95°F)
Correct Answer: B. Respiratory rate of 16 breaths/min
Rationale:
A normal adult respiratory rate is 12–20 breaths per minute. The other values are
outside normal limits.
,Question 3
Which pulse site is commonly used during cardiopulmonary resuscitation (CPR) in
adults?
A. Radial
B. Carotid
C. Pedal
D. Brachial
Correct Answer: B. Carotid
Rationale:
The carotid artery is the preferred pulse site during adult CPR because it is
centrally located and easier to assess during emergencies.
Question 4
What is the normal oxygen saturation level for most healthy adults?
A. 75–80%
B. 82–86%
C. 95–100%
D. 88–90%
Correct Answer: C. 95–100%
Rationale:
Normal oxygen saturation is generally between 95% and 100%, although some
patients with chronic lung disease may have lower baseline values.
Question 5
Which nursing action helps prevent the spread of infection?
A. Wearing gloves only when convenient
B. Performing hand hygiene before and after patient contact
,C. Sharing equipment without cleaning it
D. Wearing the same gloves for multiple patients
Correct Answer: B. Performing hand hygiene before and after patient contact
Rationale:
Hand hygiene is the single most effective measure to prevent healthcare-
associated infections.
Question 6
Which electrolyte is primarily responsible for muscle contraction and nerve
impulse transmission?
A. Sodium
B. Calcium
C. Chloride
D. Magnesium
Correct Answer: B. Calcium
Rationale:
Calcium plays a vital role in muscle contraction, nerve transmission, and blood
clotting.
Question 7
Which position promotes lung expansion in a patient with breathing difficulty?
A. Supine
B. High Fowler's
C. Trendelenburg
D. Prone
Correct Answer: B. High Fowler's
Rationale:
High Fowler's position maximizes chest expansion and improves breathing.
, Question 8
Which laboratory value reflects kidney function?
A. Hemoglobin
B. Blood urea nitrogen (BUN)
C. Platelet count
D. White blood cell count
Correct Answer: B. Blood urea nitrogen (BUN)
Rationale:
BUN is commonly used to evaluate kidney function along with serum creatinine.
Question 9
What is the normal body temperature in Celsius?
A. 35°C
B. 36°C
C. 37°C
D. 39°C
Correct Answer: C. 37°C
Rationale:
The average normal body temperature is approximately 37°C (98.6°F).
Question 10
Which assessment should always be completed before administering medication?
A. Hair color
B. Patient identity
C. Favorite food
D. Occupation
Correct Answer: B. Patient identity