Correct Answer: B

Rationale: A CPM machine post-knee arthroplasty promotes flexion, reduces stiffness, and aids recovery, requiring proper use. Ensuring the client's knee is aligned with the machine maintains therapeutic positioning, preventing strain or ineffective motion, critical for joint mobility and healing per surgeon orders. Increasing settings hourly risks overextension without protocol, potentially harming tissue, while turning off during meals interrupts therapy unnecessarily clients can eat with it on. Ice over the dressing isn't standard with CPM unless specified, risking moisture or misalignment. Alignment ensures efficacy and safety, reflecting the nurse's role in equipment oversight, supporting optimal rehabilitation outcomes in a controlled, evidence-based manner.

Correct Answer: A

Rationale: Before heparin for PE, platelet count 80,000 requires holding and notifying, not BP 130/80, HR 90, or pain. Low platelets risk bleeding others are stable or expected. Leadership checks this imagine bruising; it prevents hemorrhage, aligning with anticoagulation care effectively.

Correct Answer: B

Rationale: For montelukast in asthma, taking every evening shows understanding, not during attacks, stopping, or rinsing. It's a controller daily prevents inflammation, not acute relief. Rinsing's steroids. Leadership confirms this imagine wheezing; it ensures prophylaxis, aligning with asthma care effectively.

Correct Answer: C

Rationale: For buspirone in anxiety, report chest pain, not dizziness, nausea, or drowsiness. Pain flags rare cardiac issues urgent vs. common effects. Leadership stresses this imagine tightness; it prompts MD, aligning with psych care effectively.

Correct Answer: C

Rationale: Medium is the message form, unlike language, channel, or none. Nurse leaders like emails choose mediums, contrasting with content. In healthcare, delivery matters, aligning leadership with effective transmission.