Correct Answer: D

Rationale: The correct course of action for the nurse is to determine which staff members have already been fitted for particulate filter masks before changing assignments. This ensures safety and compliance with infection control protocols. Option A is incorrect as wearing a standard face mask before being fitted for a filter mask does not address compliance with droplet precautions. Option B is incorrect because the priority is to ensure all staff members have appropriate equipment before providing care. Option C is incorrect as a standard mask may not offer sufficient protection when dealing with clients under droplet precautions.

Correct Answer: A

Rationale: The correct action for the nurse to take when applying a thigh-length sequential compression device to a postoperative client is to ensure that two fingers can fit under the sleeves. This action helps prevent the device from being too tight, which could impede circulation.
Choice B is incorrect because the device should not be too tight, as it could lead to circulation issues.
Choice C is incorrect as the client should be in a comfortable position, not necessarily supine.
Choice D is incorrect as sequential compression devices are typically used continuously to prevent blood clots.

Correct Answer: A

Rationale: The correct answer is A. Secondary prevention aims to detect and address health issues early. Screening older adults in nursing care facilities for early influenza manifestations is an example of secondary prevention by identifying cases at an early stage.
Choice B, promoting hand hygiene, is a form of primary prevention that aims to prevent the occurrence of influenza.
Choice C, administering influenza vaccinations, is a form of primary prevention as well, focusing on preventing the disease before it occurs.
Choice D, educating about healthy lifestyle choices, is more related to health promotion and primary prevention rather than secondary prevention.

Correct Answer: D

Rationale: The correct answer is D, Cellulitis. Cellulitis is a contraindication for acupuncture due to the risk of infection. Acupuncture involves inserting needles into the skin, and if a person has cellulitis, which is a bacterial skin infection, there is a higher risk of introducing the infection deeper into the body. Obesity (choice
A), hypertension (choice
B), and migraines (choice
C) are not contraindications for receiving acupuncture. These conditions do not pose a direct risk of complications related to acupuncture treatment.

Correct Answer: A

Rationale: The correct action for the nurse to take when caring for a client with Clostridium difficile in contact isolation is to wear gloves when changing the client's gown. Clostridium difficile is highly transmissible, and wearing gloves helps prevent the spread of the infection. Using hand sanitizer after contact with the client (
Choice
B) is not enough to prevent the transmission of C. difficile, as the spores can persist and spread. Wearing a mask when entering the client's room (
Choice
C) is not necessary for C. difficile transmission, which primarily occurs through contact with contaminated surfaces. Cleaning the room with a disinfectant spray (
Choice
D) is important, but wearing gloves during direct care is the priority to prevent the nurse from acquiring and spreading the infection.