The nurse is preparing to assess the motor function of the client's trigeminal nerve. Which of the following tests would be most appropriate for the nurse to use?
Have the client smile, frown, and puff out their cheeks
Palpate the masseter muscles when the client clenches their teeth
Assess constriction of the client's pupils with direct and indirect light
Ask the patient to turn their head left and right with resistance
The Correct Answer is B
A) Have the client smile, frown, and puff out their cheeks: This test assesses the facial nerve (cranial nerve VII), not the trigeminal nerve (cranial nerve V). While important for evaluating facial movement, it does not specifically test the motor function of the trigeminal nerve, which is responsible for mastication.
B) Palpate the masseter muscles when the client clenches their teeth: This is the correct test for assessing the motor function of the trigeminal nerve. The trigeminal nerve innervates the muscles responsible for chewing, and palpating the masseter muscles during clenching allows the nurse to evaluate muscle strength and function. It provides insight into the motor capabilities associated with this cranial nerve.
C) Assess constriction of the client's pupils with direct and indirect light: This test evaluates the function of the optic nerve (cranial nerve II) and the oculomotor nerve (cranial nerve III). It does not assess the trigeminal nerve and is not relevant for this assessment.
D) Ask the patient to turn their head left and right with resistance: This action tests the spinal accessory nerve (cranial nerve XI), which is involved in neck movement. It does not relate to the function of the trigeminal nerve, making it an inappropriate choice for this specific assessment.
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View Related questions
Correct Answer is A
Explanation
A) Idiopathic neuropathy has no known cause: This statement is accurate, as idiopathic neuropathy refers to nerve damage for which no specific cause can be identified despite thorough investigation. The term "idiopathic" literally means "of unknown origin," indicating that the underlying mechanism remains unclear.
B) Idiopathic neuropathy is hereditary in nature: While some neuropathies can be hereditary, idiopathic neuropathy itself is not classified as hereditary since it lacks a defined genetic cause. Hereditary neuropathies are specific types that have a genetic basis.
C) Idiopathic neuropathy is caused by nutritional deficits: Nutritional deficits can lead to various types of neuropathy, but idiopathic neuropathy specifically is characterized by the absence of a known cause. Therefore, attributing it to nutritional deficits would be incorrect.
D) Idiopathic neuropathy is caused by disease or illness: While certain diseases can cause neuropathy, the key characteristic of idiopathic neuropathy is that no specific disease or illness has been identified as the cause. This differentiates it from other neuropathies that are secondary to identifiable conditions.
Correct Answer is C
Explanation
A) +10: This score does not exist on the muscle function grading scale, which typically ranges from 0 to 5. Using +10 could confuse the assessment and misrepresent the client's strength.
B) +4: This score indicates good strength against some resistance but not full strength. It suggests that the client has nearly complete function but may still have some limitations in range or strength.
C) +5: This score signifies full muscle strength and complete range of motion in a joint without any limitations. A score of +5 is what you would expect for a client demonstrating full strength, indicating optimal muscle function.
D) +1: This score indicates trace muscle contraction with minimal movement, which is far from the full strength described in the question. It suggests severe weakness and would not apply in this case.