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Questions and Answers
Which cranial nerve provides sensory supply to the face and mouth?
Which cranial nerve provides sensory supply to the face and mouth?
- Facial Nerve (VII)
- Trigeminal Nerve (V) (correct)
- Vagus Nerve (X)
- Glossopharyngeal Nerve (IX)
Which cranial nerve is tested by asking the patient to reveal their teeth?
Which cranial nerve is tested by asking the patient to reveal their teeth?
- Vagus Nerve (X)
- Hypoglossal Nerve (XII)
- Glossopharyngeal Nerve (IX)
- Facial Nerve (VII) (correct)
Which cranial nerve is associated with Bell’s palsy?
Which cranial nerve is associated with Bell’s palsy?
- Facial Nerve (VII) (correct)
- Glossopharyngeal Nerve (IX)
- Vagus Nerve (X)
- Trigeminal Nerve (V)
Which cranial nerve provides motor branches to the muscles of facial expression?
Which cranial nerve provides motor branches to the muscles of facial expression?
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Which cranial nerve has two roots: motor root and sensory root?
Which cranial nerve has two roots: motor root and sensory root?
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Study Notes
Cranial Nerves and Facial Functions
- The trigeminal nerve (cranial nerve V) provides sensory supply to the face and mouth.
- The trigeminal nerve is tested by asking the patient to reveal their teeth, which assesses the nerve's motor function.
- The facial nerve (cranial nerve VII) is associated with Bell's palsy, a condition characterized by weakness or paralysis of the facial muscles.
- The facial nerve provides motor branches to the muscles of facial expression, responsible for controlling facial movements.
- The facial nerve has two roots: a motor root and a sensory root, which transmit different types of signals.
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