Certified Wound Ostomy Nurse (CWON) Practice Test

What is motor neuropathy?

1. Damage to sensory nerves

2. Damage to nerves controlling muscles

3. Excessive nerve firing

4. Increased sensitivity to pain

The correct answer is: Damage to nerves controlling muscles

Motor neuropathy refers to the condition in which there is damage to the nerves that control muscles, leading to weakness or atrophy of the affected muscles. This damage can be a result of various factors, including diseases such as diabetes, infections, or autoimmune conditions. When the motor nerves are compromised, the signals needed for muscle contraction and movement can be impaired, resulting in diminished muscle strength and coordination. In contrast, other choices focus on different aspects of nerve function. Damage to sensory nerves pertains to issues with the transmission of sensations such as touch or pain, which is not encompassed by motor neuropathy. Excessive nerve firing is often related to conditions like neuropathic pain rather than motor control, while increased sensitivity to pain, known as hyperalgesia, is a separate sensory pathway issue. Therefore, the definition of motor neuropathy aligns specifically with the damage to the nerves that directly affect muscular movements and control.