Correct Answer: A

Rationale: When an irregular pulse is detected, it is essential to count the apical pulse rate for a full minute to accurately determine the rhythm. This ensures a comprehensive assessment and helps in identifying any potential issues or abnormalities. Rechecking the pulse at the same site after 5 minutes (Choice B) may not provide an immediate understanding of the irregularity. Measuring the client's blood pressure (Choice C) is important but not directly related to addressing the irregular pulse. Recording the irregularity and continuing with other vital signs (Choice D) may overlook a potentially serious cardiac issue that requires immediate attention.

Correct Answer: A

Rationale: Administering a bronchodilator as prescribed is the most appropriate initial action for managing asthma-related shortness of breath. Bronchodilators help to open up the airways quickly, providing relief for the client. Encouraging deep breathing exercises may be beneficial in some situations but should not be the first action for acute shortness of breath in asthma. Positioning the client in high Fowler's position can also help improve breathing, but administering the bronchodilator takes precedence. Obtaining a peak flow reading is important in asthma management, but it is not the initial action needed to address acute shortness of breath.

Correct Answer: A

Rationale: For a client who has undergone an allogeneic stem cell transplant, it is crucial to maintain a protective environment to prevent infections. Wearing a mask when outside the room, especially if there is construction in the area, helps reduce the risk of exposure to harmful pathogens. This precaution is essential as the client's immune system is compromised post-transplant. Placing the client in a room with other immunocompromised patients (choice B) would increase the risk of infections as it exposes the client to a higher pathogen load. Allowing the client to visit public areas freely (choice C) is not recommended due to the higher risk of exposure to infections. Ensuring the client does not need any special precautions (choice D) is incorrect because clients post allogeneic stem cell transplant require protective measures to prevent complications.

Correct Answer: D

Rationale: The correct answer is D: Joint contractures. When a healthcare provider performs passive ROM and splinting on a patient, the goal is to prevent joint contractures. Joint contractures result from immobility and can lead to permanent stiffness and decreased range of motion. Atelectasis (choice A) is a condition where there is a complete or partial collapse of the lung, commonly due to immobility, but not directly related to passive ROM or splinting. Renal calculi (choice B) are kidney stones and are not typically associated with ROM exercises. Pressure ulcers (choice C) result from prolonged pressure on the skin and are prevented by repositioning the patient, not specifically addressed by ROM and splinting exercises.

Correct Answer: C

Rationale: To calculate the drops per minute for the IV infusion, first determine the total drops to be infused over 8 hours. 1,000 ml to be infused over 8 hours means 125 ml per hour (1000 ml / 8 hours = 125 ml/hr). Since the infusion set delivers 10 drops per ml, 125 ml/hr x 10 drops/ml = 1250 drops/hr. To find drops per minute, divide the drops per hour by 60 (minutes in an hour): 1250 drops/hr / 60 minutes = 20.83 drops/minute, which rounds up to 21 drops per minute (Option C). This rate ensures the correct infusion rate over 8 hours. Choices A, B, and D are incorrect calculations and do not provide the appropriate infusion rate needed to administer the IV over the specified time period.