Correct Answer: D

Rationale: Crepitus around the chest tube insertion site may indicate subcutaneous emphysema, which requires immediate attention. The presence of crepitus suggests air leaking into the tissues, which could lead to respiratory compromise. Constant bubbling in the suction control chamber is expected and indicates proper functioning of the chest tube system. Intermittent bubbling in the water seal chamber is also normal, showing the system is intact. Drainage of 50 ml per hour is within the expected range for a chest tube.

Correct Answer: A

Rationale: Choice A is the correct answer because the client's statement about the best time to concentrate indicates readiness for learning. This statement shows an awareness and interest in learning. Choice B is incorrect as it indicates a barrier to learning due to not having glasses. Choice C is incorrect as it shows a lack of understanding or motivation for learning. Choice D is incorrect as it suggests a lack of personal involvement or responsibility in the learning process since the client is deflecting the responsibility to someone else.

Correct Answer: A

Rationale: The patellar reflex, also called the knee-jerk reflex, is elicited by tapping the patellar tendon just below the patella. This reflex involves the quadriceps muscle and the femoral nerve. The correct answer is 'A: Knee picture' because the patellar reflex is associated with the knee joint. Choices B, C, and D are incorrect as they do not correspond to the anatomical location involved in the patellar reflex.

Correct Answer: C

Rationale: The correct action for the nurse to take in this situation is to ensure no visitors or staff enter the room for a short time period. Respecting the client's wish for privacy during emotional moments is crucial for providing patient-centered care. Contacting spiritual services or asking about the reason for crying may intrude on the client's privacy and emotional space. Turning on the television for a distraction is not appropriate as it does not address the client's emotional needs or request for privacy.

Correct Answer: A

Rationale: An ankle-foot orthotic is the correct choice to prevent a plantar flexion contracture in a paralyzed limb. An ankle-foot orthotic helps maintain proper alignment of the foot and ankle, preventing the foot from being permanently fixed in a pointed-down position. Continuous passive motion machines are typically used to promote joint movement after surgery and would not address the prevention of contractures in this case. Abduction splints are used to keep the legs apart and would not address the specific issue described. Sequential compression devices are used to prevent deep vein thrombosis by promoting circulation in the lower extremities and are not indicated for preventing plantar flexion contractures.