Correct Answer: B

Rationale: The correct first action for a client with COPD experiencing increased shortness of breath and fatigue is to check the client's oxygen saturation. This assessment helps the nurse evaluate the client's respiratory status promptly. Administering a bronchodilator (Choice A) may be necessary but should come after assessing the oxygen saturation. Repositioning the client to a high Fowler's position (Choice C) can help improve breathing but should not precede oxygen saturation assessment. Administering oxygen via nasal cannula (Choice D) may be needed based on the oxygen saturation results, but assessing it first is crucial.

Correct Answer: A

Rationale: The correct answer is A. Allowing the client to sit on the side of the bed before standing helps prevent dizziness and falls, especially during their first ambulation post-surgery. Choice B is incorrect because asking the client to take deep breaths when feeling dizzy may not address the underlying cause of the dizziness. Choice C is incorrect as it is unrelated to the task of assisting the client to ambulate for the first time. Choice D is incorrect because knowing how the client feels after sitting in the chair does not address the important step of assisting the client to stand up for the first time.

Correct Answer: B

Rationale: The correct action for the nurse to take in response to the return demonstration of using an incentive spirometer is to remind the client to cough after using the device. Coughing helps clear secretions from the lungs and promotes lung expansion. Instructing the client to inhale more deeply (Choice A) is not necessary as the primary focus after using the spirometer is to clear secretions. Praising the client for correct usage (Choice C) is positive but does not address the essential step of coughing. Suggesting increasing the frequency of spirometer use (Choice D) is not the immediate action needed after the demonstration.

Correct Answer: B

Rationale: A distended abdomen with a firm, rigid feel is a concerning sign that suggests a complication such as bowel perforation, which requires immediate intervention. Absent bowel sounds can be expected in bowel obstructions but are not as urgent as a rigid abdomen. Frequent episodes of nausea and vomiting are common with bowel obstructions but do not indicate an immediate life-threatening complication. Hyperactive bowel sounds and abdominal cramping are more indicative of bowel obstruction rather than a complication requiring immediate attention.

Correct Answer: B

Rationale: Administering prescribed IV antibiotics is the most crucial intervention in managing an infected foot ulcer in a client with diabetes mellitus. Antibiotics help combat the infection and prevent its spread systemically, which is vital in diabetic clients to prevent serious complications like sepsis. While obtaining a wound culture (Choice A) may provide valuable information for targeted antibiotic therapy, administering antibiotics promptly takes precedence to prevent the infection from worsening. Elevating the affected foot (Choice C) can help reduce swelling but is not as urgent as administering antibiotics. Consulting the wound care nurse (Choice D) may be beneficial for long-term wound management but does not address the immediate need to control the infection.