CRANIAL NERVE

1. Which cranial nerve is responsible for the majority of taste perception from the anterior two-thirds of the tongue?

• a) Glossopharyngeal (IX)
• b) Trigeminal (V)
• c) Facial (VII)
• d) Hypoglossal (XII)

2. A patient presents with loss of corneal reflex. Which cranial nerves are most likely affected?

• ) Trigeminal (V) and Facial (VII)
• b) Trochlear (IV) and Abducens (VI)
• c) Oculomotor (III) and Vagus (X)
• d) Optic (II) and Facial (VII)

3. Which cranial nerve exits the brainstem dorsally?

• a) Trochlear (IV)
• b) Oculomotor (III)
• c) Abducens (VI)
• d) Hypoglossal (XII)

4. Which cranial nerve has its nucleus in the spinal cord rather than the brainstem?

• a) Vagus (X)
• b) Spinal Accessory (XI)
• c) Trigeminal (V)d)
• d) Hypoglossal (XII)

5. If a patient’s uvula deviates to the right when they say "ahh," which cranial nerve is likely damaged?

• a) Left Hypoglossal (XII)
• b) Right Glossopharyngeal (IX)
• c) Left Vagus (X)
• d) Right Facial (VII)

6. A lesion in the right hypoglossal nerve will cause the tongue to deviate in which direction when protruded?

• a). RIGHT
• b)LEFT
• c)UPWARD
• d) NO DEVIATION

7. Which cranial nerve provides the parasympathetic innervation to the lacrimal gland?

• a) Trigeminal (V)
• b) Facial (VII)
• c) Glossopharyngeal (IX)
• d) Vagus (X)

8. Which of the following cranial nerves does not contain parasympathetic fibers?

• a) Oculomotor (III)
• b) Trigeminal (V)
• c) Glossopharyngeal (IX)
• d) Vagus (X)

9. The only cranial nerve that directly emerges from the cerebrum rather than the brainstem is?

• a) Optic (II)
• b) Olfactory (I)
• c) Trochlear (IV)
• d) Vestibulocochlear (VIII)

10. Which cranial nerve innervates the superior oblique muscle of the eye?

• a) Oculomotor (III)
• b) Abducens (VI)
• c) Trochlear (IV)
• d) Optic (II)