Correct Answer: C

Rationale: An ethical dilemma involves a situation where there are conflicting values or principles that make it difficult to make a clear decision. In the given scenarios, option C best represents an ethical dilemma as the family has conflicting feelings about initiating enteral tube feedings for their terminally ill father. This situation presents a clash between different values and beliefs, making it challenging to reach a resolution. Options A, B, and D do not illustrate conflicting values or principles that characterize an ethical dilemma. Option A describes a nurse's impairment, which is a concern but not a direct ethical dilemma. Option B depicts a potential breach of client autonomy and restraint use, which is an ethical issue but not a true ethical dilemma. Option D involves a client's personal decision regarding a durable power of attorney form, which, although important, does not present conflicting values or principles that define an ethical dilemma.

Correct Answer: B

Rationale: The correct answer is B: Crackles in the lungs. Crackles in the lungs indicate pulmonary congestion, a serious complication of left-sided heart failure. The presence of crackles suggests fluid accumulation in the lungs, impairing gas exchange and potentially leading to respiratory distress. Immediate intervention is necessary to prevent worsening respiratory function. Choices A, C, and D are incorrect: Peripheral edema is a common finding in heart failure but may not be as acutely concerning as pulmonary congestion. Jugular vein distention is associated with right-sided heart failure, not left-sided heart failure. Hepatomegaly is often seen in liver conditions and right-sided heart failure, not specifically left-sided heart failure.

Correct Answer: C

Rationale: The statement 'I can't find my missing shoes. Have you seen them?' displays disorganized thinking or speech, which is characteristic of a thought disorder. The mention of 'missing shoes' in a context that does not make logical sense suggests a disturbance in thought processes. Choices A, B, and D do not demonstrate disorganized thinking typical of thought disorders. Option A reflects emotional expression, option B indicates mild confusion, and option D shows a redirection of focus to someone else's problem.

Correct Answer: A

Rationale: The correct answer is A. Warmth around the infusion site is not an expected finding with infiltration. Infiltration typically presents with swelling and coolness due to the fluid leaking into the surrounding tissue. Choices B, C, and D are incorrect because swelling, coolness, and difficulty flushing the line, as well as lack of blood return, are commonly associated with infiltration.

Correct Answer: A

Rationale: When performing nasotracheal suctioning for a client with a respiratory infection, the nurse should apply intermittent suction when withdrawing the catheter. This technique helps minimize mucosal damage and is considered best practice. Choice B, suctioning continuously while inserting the catheter, is incorrect as continuous suctioning can cause trauma to the airway. Choice C, suctioning intermittently while inserting the catheter, is also incorrect as it can increase the risk of hypoxia and mucosal damage. Choice D, using a Yankauer suction device, is not appropriate for nasotracheal suctioning as it is typically used for oral suctioning. Therefore, the correct technique is to apply intermittent suction when withdrawing the catheter to ensure effective and safe suctioning.