Correct Answer: D

Rationale: The correct answer is the 32-year-old man with essential hypertension. Individuals who did not receive two doses of the varicella vaccine earlier in life should be immunized. Essential hypertension is not a contraindication for the varicella vaccine. Administering the vaccine to pregnant women, individuals with severe neomycin allergies, or infants is contraindicated.

Correct Answer: C

Rationale: Severe pain around the eyes that radiates over the face is a characteristic symptom of acute angle-closure glaucoma. This intense pain is typically accompanied by other symptoms such as blurred vision, halos around lights, redness in the eye, and sometimes nausea and vomiting. The acute rise in intraocular pressure leads to these symptoms, indicating a medical emergency that requires immediate attention to prevent vision loss.

Correct Answer: A

Rationale: The nurse should instruct the client to use a soft-bristled toothbrush to prevent bleeding, which can occur due to chemotherapy-induced thrombocytopenia.

Correct Answer: C

Rationale: The correct answer is bone marrow suppression. Methotrexate can lead to bone marrow suppression, resulting in anemia, leukopenia, and thrombocytopenia. Monitoring for signs of decreased blood cell counts is crucial to prevent complications.

Correct Answer: B

Rationale: Furosemide, a loop diuretic, can cause potassium depletion. The healthcare professional should instruct the client to increase the intake of foods high in potassium to prevent hypokalemia, a potential side effect of Furosemide therapy.