The registered nurse(RN) is caring for a patient with a hypertensive crisis who is receiving sodium nitroprusside(Nipride). Which nursing action can the nurse delegate to an experienced licensed practical/vocational nurse(LPN/LVN)?

Correct Answer: C

Rationale: LPN/LVN education and scope of practice include the correct use of common equipment such as automatic blood pressure machines. The other actions require advanced nursing judgment and education, and should be done by RNs.

Correct Answer: B

Rationale: Sleeping typically does not significantly alter cardiac output as the body's metabolic demands remain stable.

Correct Answer: B

Rationale: The AV node contains P cells, which are responsible for pacemaker activity.

Correct Answer: A

Rationale: Arteries primarily function to transport blood away from the heart, which can include both oxygenated and deoxygenated blood depending on the specific artery (e.g., pulmonary arteries carry deoxygenated blood).