Correct Answer: C

Rationale: The correct answer is C. Clear fluid draining from the ear may indicate a cerebrospinal fluid (CSF) leak, which is a serious complication following a head injury. Reporting this finding is crucial as it may require immediate medical intervention to prevent further complications. Choices A, B, and D are not as concerning as a CSF leak. A GCS score of 12 is relatively high, indicating a mild level of consciousness alteration. An edematous bruise on the forehead is a common physical finding after a head injury. Pupils that are 4 mm and reactive to light suggest normal pupillary function.

Correct Answer: C

Rationale: The correct answer is C. When using brimonidine to treat open-angle glaucoma, patients may experience temporary irritation in the eyes. Choice A is incorrect because vision improvement from brimonidine is not immediate. Choice B is incorrect as brimonidine should be used as prescribed, not just when eyes are irritated. Choice D is important but does not directly indicate an understanding of the medication's use.

Correct Answer: C

Rationale: The correct answer is C. Asking clients over 18 about their organ donation status upon admission is essential to ensure their wishes are respected. Option A is incorrect because organ donation requires consent, not harvesting. Option B is incorrect because the transplant team, not the donor client's provider, is responsible for organ retrieval. Option D is incorrect because the National Organ Transplant Act prohibits the commercialization of organ transactions, not their donation.

Correct Answer: B

Rationale: To infuse 50 mL over 20 minutes, the pump should be set to 150 mL/hr. This calculation ensures the correct rate for the infusion of the medication. Choices A, C, and D are incorrect as they do not align with the correct calculation based on the given information.

Correct Answer: C

Rationale: The client should never double the dose if a dose is missed. This can lead to an overdose, which can cause serious adverse effects. Instead, the client should take the next dose as scheduled or consult the provider for guidance.