What is the rationale for using continuous positive air pressure (CPAP) to treat sleep apnea?

Positive air pressure holds the mouth open.

Negative pressure holds airways closed.

Delivery of oxygen facilitates expiratory effort.

Alternating waves of air stimulate breathing.

Answer and Explanation

The Correct Answer is D

The correct answer is choice D, alternating waves of air stimulate breathing. CPAP works by delivering a continuous stream of pressurized air through a mask, which is worn over the nose or nose and mouth while sleeping. This air pressure acts like a splint, holding the airway open and preventing it from collapsing during sleep. The alternating waves of air delivered by the CPAP machine help stimulate breathing, keeping the airway open and reducing the number of breathing pauses that occur during sleep. CPAP is a highly effective treatment for obstructive sleep apnea, a condition in which the airway becomes blocked during sleep, leading to breathing pauses and interrupted sleep. By keeping the airway open and stimulating breathing, CPAP helps to improve sleep quality, reduce daytime sleepiness, and improve overall health outcomes in people with sleep apnea.

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Correct Answer is A

Explanation

The correct answer is choice A. By asking for a sitter to stay at the bedside to keep the client company and minimize the risk for falls, the nurse is demonstrating the ethical principle of nonmaleficence. Nonmaleficence refers to the duty to do no harm to the client, and in this case, the nurse is taking proactive steps to prevent harm to the client by ensuring their safety and well-being. Veracity (choice B) refers to the principle of truthfulness and honesty in communication, fidelity (choice C) refers to the principle of keeping promises and maintaining trust in the nurse-client relationship, and beneficence (choice D) refers to the principle of promoting good and doing what is in the best interest of the client. While all of these principles are important in nursing practice, the nurse in this scenario is primarily demonstrating nonmaleficence by taking action to prevent harm to the client.

A. Vitamins B. Lipids C. Protein D. Carbohydrates

Correct Answer is C

Explanation

The correct answer is choice C. Protein is most important for wound healing. After abdominal surgery, the client requires adequate protein to promote wound healing and tissue repair. Protein is essential for collagen synthesis, a protein that is responsible for the tensile strength of the wound. The recommended daily allowance for protein for an adult is 0.8 g/kg of body weight. Foods high in protein include meat, fish, poultry, dairy products, beans, and nuts.

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What is the rationale for using continuous positive air pressure (CPAP) to treat sleep apnea?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

A client has just had abdominal surgery, and the nurse is consulting with him about his diet now that he is allowed to eat. Which nutrient is most important for wound healing?

Correct Answer is C

Explanation

A resident of a long-term care facility has moderate hearing loss and is hard of hearing. When communicating with this resident, which of the following would be the best initial technique?

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A nurse is instructing a group of nursing students in taking vital signs and assessing a client's respiratory status. Which of the following guidelines should the nurse include? Select all that apply.

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The nurse is planning to care for a client with an indwelling catheter. Which of the following measures should the nurse implement when performing hygiene care in regards to the indwelling catheter?