Exam (elaborations) NCLEX RN

Easy NCLEX Questions
Question 1
What is the normal range for adult blood pressure?

 A) 90/60 mmHg
 B) 120/80 mmHg
 C) 140/90 mmHg
 D) 160/100 mmHg

Answer: B) 120/80 mmHg

Explanation: The normal blood pressure range for a healthy adult is
typically around 120/80 mmHg. This value can vary slightly depending
on individual health conditions, but it serves as a general guideline for
normal blood pressure.

Question 2
Which vitamin is essential for calcium absorption in the body?

 A) Vitamin A
 B) Vitamin B12
 C) Vitamin C
 D) Vitamin D

Answer: D) Vitamin D

Explanation: Vitamin D is crucial for the absorption of calcium in the
intestines. Without adequate vitamin D, the body cannot absorb
calcium effectively, which can lead to bone disorders such as
osteoporosis.

Question 3
What is the primary function of red blood cells?

, A) Fight infections
 B) Transport oxygen
 C) Clot blood
 D) Produce antibodies

Answer: B) Transport oxygen

Explanation: Red blood cells contain hemoglobin, a protein that binds
to oxygen in the lungs and carries it to tissues throughout the body.
This is their primary function.

Question 4
Which organ is responsible for filtering blood and producing
urine?

 A) Liver
 B) Heart
 C) Kidney
 D) Pancreas

Answer: C) Kidney

Explanation: The kidneys filter waste products from the blood and
produce urine. They play a critical role in maintaining the body's fluid
and electrolyte balance.

Question 5
What is the normal range for adult respiratory rate?

 A) 8-12 breaths per minute
 B) 12-20 breaths per minute
 C) 20-28 breaths per minute
 D) 28-36 breaths per minute

, Answer: B) 12-20 breaths per minute

Explanation: The normal respiratory rate for a healthy adult is
between 12 and 20 breaths per minute. Rates outside this range may
indicate respiratory distress or other health issues.

Question 6
Which electrolyte imbalance is most likely to cause cardiac
arrhythmias?

 A) Hypernatremia
 B) Hypokalemia
 C) Hypercalcemia
 D) Hypomagnesemia

Answer: B) Hypokalemia

Explanation: Low potassium levels (hypokalemia) can lead to cardiac
arrhythmias because potassium is essential for maintaining normal
electrical activity in the heart.

Question 7
What is the primary purpose of administering insulin to a
diabetic patient?

 A) Increase blood glucose levels
 B) Decrease blood glucose levels
 C) Increase blood pressure
 D) Decrease blood pressure

Answer: B) Decrease blood glucose levels

Explanation: Insulin helps lower blood glucose levels by facilitating
the uptake of glucose into cells, where it can be used for energy.