NCLEX-RN
NCLEX RN Practice Test Free Questions
Extract:
Question 1 of 5
The physician has ordered a homocysteine blood level on a client. The nurse recognizes that the results will be increased in a client with a deficiency in:
Correct Answer: A
Rationale: Homocysteine levels rise with vitamin B12 deficiency, as B12 is needed for homocysteine metabolism, unlike other vitamins listed.
Question 2 of 5
A nurse has received report on the day's clients. In planning morning rounds, which client is the priority to see?
Correct Answer: D
Rationale: Shortness of breath indicates a potential respiratory or cardiac issue, making this client the priority for immediate assessment.
Question 3 of 5
The blood alcohol concentration of a client admitted following a motor vehicle accident is 460 mg/dL. The nurse should give priority to monitoring the client for:
Correct Answer: B
Rationale: A blood alcohol concentration of 460 mg/dL (0.46%) is life-threatening, with respiratory depression being the priority due to its potential to cause death.
Question 4 of 5
A client with psychotic depression is receiving haloperidol (Haldol). Which of the following adverse effects is associated with haloperidol?
Correct Answer: A
Rationale: Akathisia, a movement disorder characterized by restlessness, is a common extrapyramidal side effect of haloperidol.
Question 5 of 5
The nurse recognizes which of the following as a Category A biological agent that may be used in terroristic acts?
Correct Answer: B
Rationale: Smallpox is a Category A bioterrorism agent due to its high mortality and transmissibility. Others are Category B or C.