What will the nurse tell the patient who has cerebral atherosclerosis about taking clopidogrel (Plavix)?

Correct Answer: B

Rationale: Clopidogrel is an antiplatelet; tarry stools indicate bleeding, a key side effect to report. C/D are inaccurate—prevents clots, not dissolves/reduces plaque. [Level: Application]

Correct Answer: C

Rationale: Right-brain strokes impair spatial awareness; removing clutter prevents falls. B aids vision loss, not universal. [Level: Application]

Correct Answer: A

Rationale: The axon conducts impulses away to other neurons or effectors. Dendrites receive, synapses are gaps. [Level: Knowledge]

Correct Answer: B

Rationale: Multipolar neurons have many dendrites and one axon, typical of motor neurons. [Level: Knowledge]

Correct Answer: B

Rationale: Na+ influx causes depolarization, making the inside positive. [Level: Knowledge]