Correct Answer: D

Rationale: The correct answer is D: “You must avoid hyperextending your neck after surgery.” This is because hyperextending the neck can put strain on the surgical incision site and increase the risk of complications. A: Incorrect, as the head of the bed should be elevated to reduce swelling and promote drainage. B: Incorrect, as deep breathing and coughing are important to prevent pneumonia and promote lung expansion. C: Incorrect, as swallowing may be difficult initially but should improve gradually.

Correct Answer: A

Rationale: The correct answer is A: Post-trauma syndrome related to being attacked. This diagnosis accurately reflects the client's symptoms of reliving the traumatic event, crying uncontrollably, and expressing fear. Post-trauma syndrome encompasses a range of symptoms following a traumatic event, such as flashbacks, anxiety, and emotional distress. The other choices are incorrect because they are either too vague (B: Psychological overreaction) or do not capture the specific nature of the client's symptoms (C: Needs assistance coping; D: Mental distress). Therefore, option A is the most appropriate diagnosis based on the client's presentation.

Correct Answer: C

Rationale: Step 1: Reading labels carefully on vials containing flush solutions for locks is crucial to ensure the correct solution is being used. Step 2: Potassium chloride should not be used to flush locks as it can be fatal if administered incorrectly. Step 3: By carefully reading labels, the nurse can verify that the correct solution is being used, thus minimizing the risk of using potassium chloride. Summary: - Choice A is incorrect as using a dilute form of potassium chloride does not address the issue of incorrect administration. - Choice B is incorrect as warming the solution does not prevent the risk associated with using potassium chloride. - Choice D is incorrect as replacing locks does not address the root cause of the issue, which is improper administration.

Correct Answer: A

Rationale: The correct answer is A: Decreased resistance to infection. Lymphocytes are a crucial part of the immune system, responsible for fighting off infections. A decrease in the number of lymphocytes with age leads to a weakened immune response, making individuals more susceptible to infections. - Choice B: Cognitive problems, is not directly related to lymphocyte levels. - Choice C: Urinary incontinence, is not a typical effect of decreased lymphocytes. - Choice D: Decrease in various blood components, is too broad and not specific to the role of lymphocytes in immunity.

Correct Answer: D

Rationale: The correct answer is D. Asking about seeing halos around lights is relevant to assessing the patient's eye health as it could indicate conditions like glaucoma or cataracts. Upper respiratory infections (A), riding in a car (B), and scuba diving (C) are not directly related to eye health assessment. By focusing on symptoms directly related to the eyes, the nurse can gather relevant information for a more accurate assessment.