NCLEX-RN
NCLEX RN Practice Test Free Questions
Extract:
Question 1 of 5
The nurse caring for a client receiving intravenous magnesium sulfate must closely observe for side effects associated with drug therapy. An expected side effect of magnesium sulfate is:
Correct Answer: B
Rationale: Hypersomnolence is an expected side effect of magnesium sulfate due to its central nervous system depressant effects.
Question 2 of 5
A client with a head injury has an intracranial pressure (ICP) monitor in place. Cerebral perfusion pressure calculations are ordered. If the client's ICP is 22 and the mean pressure reading is 70, what is the client's cerebral perfusion pressure?
Correct Answer: D
Rationale: Cerebral perfusion pressure (CPP) = Mean Arterial Pressure (MAP) - ICP. Given MAP = 70 and ICP = 22, CPP = 70 - 22 = 48. Thus, the answer is 48.
Question 3 of 5
A client with myasthenia gravis is admitted in a cholinergic crisis. Signs of of cholinergic crisis include:
Correct Answer: A
Rationale: Cholinergic crisis, due to excessive acetylcholinesterase inhibitors, causes symptoms like constricted pupils and decreased blood pressure from parasympathetic overstimulation.
Question 4 of 5
If a client has had repair of a right fractured hip and has an overhead trapeze on the bed to assist with movement, which of the following instructions should the client receive about use of the assistive device? Select all that apply.
Correct Answer: A,C
Rationale: Using both hands on the trapeze (
A) and flexing the left leg (
C) assist safe movement post-right hip repair. Using one hand (
B) or keeping the leg extended (
D) is less effective.
Question 5 of 5
A client recently started on hemodialysis wants to know how the dialysis will take the place of his kidneys. The nurse's response is based on the knowledge that hemodialysis works by:
Correct Answer: D
Rationale: Hemodialysis filters waste products and excess fluids through a dialyzing membrane, mimicking kidney function.