Correct Answer: A

Rationale: The mother who took her children from school due to delusions of aliens poses a significant risk to her children and herself. This situation requires immediate attention to ensure the safety and well-being of all involved.

Correct Answer: B

Rationale: The correct instruction for a patient with hypothyroidism prescribed levothyroxine is to take the medication in the morning on an empty stomach to enhance absorption. Taking it with meals can interfere with absorption. Patients should not discontinue the medication without consulting their healthcare provider as it can lead to adverse effects. Doubling the dose if a dose is missed can increase the risk of side effects and overdosage. It is crucial for patients to follow the prescribed dosing schedule and consult their healthcare provider for any concerns or missed doses.

Correct Answer: D

Rationale: The nurse's priority action in this situation is to notify the healthcare provider immediately. These symptoms, including severe pain, swelling, warmth, and redness in the leg, are indicative of deep vein thrombosis (DVT), a potentially serious condition. Prompt notification of the healthcare provider is crucial to initiate appropriate diagnostic tests and interventions to prevent complications associated with DVT.

Correct Answer: C

Rationale: Patients taking digoxin should be instructed to report any visual disturbances, as this can be a sign of digoxin toxicity.

Correct Answer: A

Rationale: The correct response is A: 'The cancer involves only the cervix.' In staging, 'Tis' indicates cancer in situ, which means it is localized to the cervix and not invasive at this time. The differentiation of cancer cells is not part of clinical staging. Since the cancer is in situ, its origin is the cervix. Further testing is not required as the cancer has not spread beyond the cervix.