Which of the following statements regarding idiopathic neuropathy is true?
Idiopathic neuropathy has no known cause.
Idiopathic neuropathy is hereditary in nature.
Idiopathic neuropathy is caused by nutritional deficits.
Idiopathic neuropathy is caused by disease or illness.
The Correct Answer is A
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.
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Correct Answer is B
Explanation
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.
Correct Answer is D
Explanation
A) Interrupt with frequent questions: While older adults may have questions, they typically do not interrupt frequently. This behavior is more indicative of anxiety or agitation rather than a cognitive change associated with aging.
B) Answer slowly and be confused: While some older adults may exhibit slower responses, confusion is not a normal cognitive change associated with aging. Confusion may suggest underlying issues such as delirium or dementia, rather than typical age-related cognitive changes.
C) Withdraw from strangers: Social withdrawal can occur in some older adults, but it is not a universal expectation. Many older adults remain engaged and sociable, and withdrawal is more commonly associated with mental health issues rather than cognitive changes.
D) Take longer to respond and react: It is common for older adults to take longer to process information and respond due to normal cognitive slowing. This may reflect changes in processing speed rather than a decline in cognitive function, and it is an expected part of aging.