You are the nurse performing a nose and mouth assessment.
Which of the following assessment techniques stimulates cranial nerve XII (hypoglossal)?
Ask the client to stick out their tongue and move it from side to side, then up and down.
Ask the client to stick out their tongue.
Ask the client to cover one eye and read a note card.
Have the patient smile, frown, and puff their cheeks.
The Correct Answer is A
Choice A rationale
Asking the client to stick out their tongue and move it from side to side, then up and down, directly assesses the function of the hypoglossal nerve (cranial nerve XII). This nerve innervates the intrinsic and extrinsic muscles of the tongue, controlling its movement, which is essential for speech and swallowing, thereby evaluating its motor integrity.
Choice B rationale
Asking the client to stick out their tongue primarily assesses general tongue protrusion, but does not provide as comprehensive an assessment of hypoglossal nerve function as evaluating its full range of motion. Unilateral weakness or deviation, which is indicative of nerve damage, is better observed with side-to-side and up-and-down movements.
Choice C rationale
Asking the client to cover one eye and read a note card assesses visual acuity and the function of the optic nerve (cranial nerve II). This technique evaluates the eye's ability to perceive details and is unrelated to the motor function of the tongue or the hypoglossal nerve.
Choice D rationale
Having the patient smile, frown, and puff their cheeks primarily assesses the facial nerve (cranial nerve VII). This nerve controls the muscles of facial expression, including those involved in smiling, frowning, and puffing out the cheeks, and is distinct from the hypoglossal nerve's role in tongue movement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Pain sensation behind the eyes, particularly during palpation of the frontal or ethmoid sinuses, suggests inflammation or infection within these sinuses. Under normal conditions, healthy paranasal sinuses are air-filled cavities and should not elicit pain upon palpation.
Choice B rationale
Pain during palpation of any sinus area is indicative of sinusitis or inflammation. The presence of pain signifies pressure buildup, mucosal edema, or infection within the sinus cavities. Normal findings would not involve pain, but rather a sensation of mild pressure.
Choice C rationale
Normal findings during sinus palpation should elicit a sensation of pressure but no pain or tenderness. This indicates that the sinuses are air-filled, patent, and free from inflammation or congestion. The pressure is a result of the gentle digital compression over the bony structures.
Choice D rationale
Tingling along the nose and eyes is not a typical sensation associated with normal sinus palpation. This sensation might suggest neurological irritation, such as nerve compression or neuropathy, rather than a direct physiological response from the paranasal sinuses themselves.
Correct Answer is C
Explanation
Choice A rationale
Documenting the error and notifying the supervisor are necessary steps, but they are not the most immediate or comprehensive actions. The priority in a medication error is patient safety, which requires immediate medical assessment and intervention. This step follows after direct patient care and notification of the physician.
Choice B rationale
Administering the original drug and observing for adverse reactions addresses part of the problem, but it does not prioritize immediate medical consultation regarding the mistakenly administered drug. The focus should be on the potential effects of the incorrect medication and timely intervention to mitigate harm.
Choice C rationale
The most appropriate and immediate action is to call the physician to inform them of the medication error. This allows the physician to assess the potential harm to the patient based on the specific drug, dosage, and patient's condition, and to order appropriate interventions. An incident report is crucial for organizational learning and quality improvement.
Choice D rationale
Deciding not to act based on a quick check of allergies or contraindications is highly negligent and unsafe. Even if there are no apparent immediate contraindications, any medication error carries inherent risks and requires a thorough medical evaluation by the physician. This approach prioritizes patient safety over documentation and investigation.
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