Correct Answer: A

Rationale: The correct answer is to administer sublingual nitroglycerin. This is the priority action for a patient admitted with chest pain from acute coronary syndrome. Nitroglycerin helps dilate blood vessels, improve blood flow to the heart, and relieve chest pain. Checking the patient's urine output (
Choice
B) is not the priority in this situation. Administering IV fluids (
Choice
C) may not be necessary unless indicated by the patient's condition. Obtaining cardiac enzymes (
Choice
D) is important but is not the initial action needed to address the patient's acute symptoms.

Correct Answer: A

Rationale: The correct answer is to limit phosphorus intake to 700 mg/day for a patient with pre-dialysis end-stage kidney disease. Excess phosphorus can lead to complications such as bone and heart issues in these patients. Increasing protein intake (
Choice
B) is generally not recommended as it can lead to increased waste production that the kidneys may struggle to eliminate. Restricting sodium intake (
Choice
C) is important for managing blood pressure, but the recommendation is usually higher than 1 g/day. Increasing potassium intake (
Choice
D) is not typically advised in patients with kidney disease, as they often need to limit potassium due to impaired kidney function.

Correct Answer: A

Rationale: A CD4 T-cell count below 180 cells/mm3 should be prioritized for a patient with HIV. This value is crucial as it indicates severe immunocompromise in HIV-infected individuals. Monitoring CD4 T-cell count helps assess the status of the immune system and guides treatment decisions. Serum albumin levels (choice
B) may reflect the patient's nutritional status and overall health but are not as specific to HIV disease progression. White blood cell count (choice
C) and hemoglobin levels (choice
D) can be affected by various factors and are not as directly linked to HIV management as the CD4 T-cell count in this context.

Correct Answer: A

Rationale: When continuous bubbling is observed in the chest tube water seal chamber, the appropriate intervention is to tighten the connections of the chest tube system. This action can help resolve an air leak, which is often the cause of continuous bubbling in the water seal chamber. Clamping the chest tube (choice
B) is not recommended as it can lead to a dangerous increase in pressure within the chest. Replacing the chest tube (choice
C) is not the initial intervention unless there are other indications to do so. Simply monitoring the chest tube (choice
D) without taking corrective action will not address the underlying issue of the air leak causing continuous bubbling.

Correct Answer: A

Rationale: Following cataract surgery, patients are advised to wear dark glasses while outdoors. This is crucial to protect the eyes from bright light and prevent complications such as excessive glare or discomfort.
Choice B, avoiding NSAIDs, is not directly related to post-cataract surgery care.

Choices C and D, using warm compresses and applying cold packs, are not typically part of the standard post-operative care for cataract surgery.