Neuropathy Peripheral Neuropathy Facts 5

Question 1

Which blood test is commonly ordered first when investigating the cause of peripheral neuropathy?

Accepted Answer

Fasting blood glucose or HbA1c

Answer

Because diabetes is the leading cause, fasting glucose or HbA1c is among the first tests ordered.

Question 2

Why does peripheral neuropathy often begin in the feet before the hands?

Accepted Answer

Longest nerves are affected first

Answer

Length-dependent neuropathy affects the longest nerves first, which reach the feet.

Question 3

Which of the following can worsen balance in patients with peripheral neuropathy?

Accepted Answer

Loss of position sense (proprioception)

Answer

Damage to sensory nerves reduces proprioception, impairing balance and increasing fall risk.

Question 4

A duloxetine prescription for a neuropathy patient works mainly because it is a(n):

Accepted Answer

SNRI antidepressant that modulates pain pathways

Answer

Duloxetine, an SNRI, is FDA-approved for diabetic neuropathic pain by altering pain signaling.

Question 5

Exposure to which heavy metal is a known toxic cause of peripheral neuropathy?

Accepted Answer

Lead

Answer

Lead and other heavy metals are neurotoxic and can cause peripheral neuropathy.

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