A nurse is assessing a client’s cranial nerves. What cranial nerve would be assessed when checking a client’s gag reflex?

CN IX

CN V

CN X

CN XII

Answer and Explanation

The Correct Answer is A

Choice A reason: The glossopharyngeal nerve (CN IX) is primarily responsible for the gag reflex. It provides sensory input from the pharynx and posterior third of the tongue, which triggers the gag reflex when stimulated. This nerve plays a crucial role in swallowing and the reflexive action to prevent choking.

Choice B reason: The trigeminal nerve (CN V) is responsible for facial sensation and motor functions such as biting and chewing. It does not play a direct role in the gag reflex. While it is important for other sensory and motor functions, it is not involved in the reflex being assessed here.

Choice C reason: The vagus nerve (CN X) also contributes to the gag reflex by providing motor innervation to the muscles of the pharynx and larynx. However, the primary sensory input for the gag reflex comes from the glossopharyngeal nerve (CN IX). The vagus nerve works in conjunction with CN IX to complete the reflex action.

Choice D reason: The hypoglossal nerve (CN XII) controls the movements of the tongue. It is essential for speech and swallowing but does not have a role in the gag reflex. The hypoglossal nerve’s primary function is motor control of the tongue muscles.

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Correct Answer is C

Explanation

Choice A reason: While chest physiotherapy can help mobilize secretions, it does not specifically promote the flow of secretions to the base of the lungs. The primary goal is to loosen and mobilize secretions so they can be coughed up and cleared from the airways. This helps improve overall lung function and oxygenation.

Choice B reason: Chest physiotherapy does not eliminate the need to cough. In fact, coughing is an essential part of the process as it helps expel the loosened secretions from the airways. The therapy aims to make coughing more effective by loosening the mucus.

Choice C reason: The primary purpose of chest physiotherapy with percussion and vibration is to help clear the airways of excessive secretions. This is particularly important for patients with conditions like chronic obstructive pulmonary disease (COPD), cystic fibrosis, or pneumonia, where mucus buildup can obstruct the airways and impair breathing. By loosening and mobilizing the secretions, the therapy facilitates their removal through coughing.

Choice D reason: Chest physiotherapy does not limit the production of bronchial mucus. It focuses on clearing existing mucus from the airways rather than reducing its production. The production of mucus is influenced by underlying conditions and may require other treatments to manage.

Correct Answer is ["2"]

Explanation

To determine the number of tablets per dose, follow these steps:

Calculate the total daily dose in milligrams (mg):
- 2 grams (g) = 2000 milligrams (mg)
Divide the total daily dose by the number of doses per day:
- 2000 mg/day ÷ 2 doses/day = 1000 mg/dose
Determine the number of tablets per dose:
- Each tablet is 500 mg.
- 1000 mg/dose ÷ 500 mg/tablet = 2 tablets/dose

Therefore, the nurse should administer 2 tablets of 500 mg amoxicillin with each dose.

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A nurse is assessing a client’s cranial nerves. What cranial nerve would be assessed when checking a client’s gag reflex?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A primary health care provider orders chest physiotherapy with percussion and vibration for a client. After the health care provider leaves, the client says, “I still don’t understand the purpose of this therapy.” Which statement should be included in the nurse’s response?

Correct Answer is C

Explanation

Correct Answer is ["2"]

Explanation

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A nurse is assessing a client’s cranial nerves. What cranial nerve would be assessed when checking a client’s gag reflex?

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