Nerves and Motor Neurons 2025/2026
Exam Questions and Correct Answers |
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Cranial Nerves - 🧠 ANSWER ✔✔Nerves controlling sensory and motor
functions in the head.
Upper Motor Neurons (UMN) - 🧠 ANSWER ✔✔Neurons in the brain and
spinal cord sending signals.
Lower Motor Neurons (LMN) - 🧠 ANSWER ✔✔Neurons in the peripheral
nervous system controlling muscles.
UMN Lesion - 🧠 ANSWER ✔✔Causes hypertonia, spastic paralysis, and
hyperreflexia.
, LMN Lesion - 🧠 ANSWER ✔✔Leads to muscle atrophy, flaccid paralysis,
and decreased reflexes.
Cranial Nerve I - 🧠 ANSWER ✔✔Olfactory nerve responsible for smell
sensation.
Cranial Nerve II - 🧠 ANSWER ✔✔Optic nerve responsible for vision
sensation.
Cranial Nerve VII - 🧠 ANSWER ✔✔Facial nerve controlling facial
expressions and taste.
Cranial Nerve V - 🧠 ANSWER ✔✔Trigeminal nerve responsible for facial
sensation and mastication.
Cranial Nerve IX - 🧠 ANSWER ✔✔Glossopharyngeal nerve involved in
taste and swallowing.
Cranial Nerve X - 🧠 ANSWER ✔✔Vagus nerve controlling autonomic
functions and voice.
Cranial Nerve XI - 🧠 ANSWER ✔✔Accessory nerve controlling shoulder
movement.