Cranial Nerves Worksheet
Grade 12 Biology worksheet covering the structure, function, and clinical relevance of human cranial nerves.
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Cranial Nerves Worksheet
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Read each question carefully and answer to the best of your ability. Refer to your notes and textbook as needed. Some questions may require you to identify structures on the provided diagram.
Study the diagram of the human brain with cranial nerves. Then, answer the questions that follow.
1. Which cranial nerve is primarily responsible for the sense of smell?
2. Identify the cranial nerve that controls most of the extrinsic eye muscles.
3. Damage to the Vestibulocochlear nerve (CN VIII) would most likely result in:
Loss of taste sensation
Difficulty swallowing
Hearing loss and balance issues
Inability to move the tongue
4. Which of the following cranial nerves has both sensory and motor functions?
Optic Nerve (CN II)
Trochlear Nerve (CN IV)
Trigeminal Nerve (CN V)
Accessory Nerve (CN XI)
5. The nerve is responsible for facial expressions and taste sensation from the anterior two-thirds of the tongue.
6. The vagus nerve (CN X) is unique among cranial nerves because it extends beyond the head and neck to innervate organs in the and .
7. Describe the primary function of the Glossopharyngeal nerve (CN IX).
8. Explain how a physician might test the function of the Oculomotor (CN III), Trochlear (CN IV), and Abducens (CN VI) nerves during a neurological examination.