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Sec 7 Nervous System
Practice Questions
| Question | Answer |
|---|---|
| What are the two major divisions of the peripheral nervous system? A. Afferent and efferent nerves B. Somatic and autonomic nervous systems C. Sensory and motor neurons D. Cranial and spinal nerves | Somatic and autonomic nervous systems |
| Which part of the peripheral nervous system connects the central nervous system to organs such as the heart, stomach, and glands? A. Somatic nervous system B. Cranial nerves C. Autonomic nervous system D. Spinal nerves | Autonomic nervous system |
| Where do cranial nerves originate? A. In the spinal cord B. In the spinal grey matter C. In the peripheral ganglia D. In the brainstem and cortical structures | In the brainstem and cortical structures |
| The somatic nervous system consists of: A. Nerves that control involuntary functions B. Nerves connecting to internal organs C. Cranial and spinal nerve fibers that connect to the CNS D. Nerves that regulate glandular secretions | Cranial and spinal nerve fibers that connect to the CNS |
| Where do spinal nerves originate? A. In the brainstem B. In the spinal grey matter C. In the peripheral ganglia D. In the cortical structures | In the spinal grey matter |
| Which cranial nerves are responsible for controlling eye movements? A. Optic and olfactory nerves B. Facial and vestibulocochlear nerves C. Oculomotor, trochlear, and abducens nerves D. Trigeminal and glossopharyngeal nerves | Oculomotor, trochlear, and abducens nerves |
| What is the primary function of the olfactory nerves? A. Control facial expressions B. Transmit visual information C. Maintain equilibrium D. Process the sense of smell | Process the sense of smell |
| The vestibulocochlear nerves are involved in which of the following functions? A. Facial expressions and tear production B. Hearing and balance C. Eye movement and vision D. Smell and taste | Hearing and balance |
| The optic nerve is responsible for: A. Moving the eyes in their sockets B. Transmitting visual impulses to the brain C. Controlling the muscles that raise the eyelids D. Processing information related to smell | Transmitting visual impulses to the brain |
| Which cranial nerve is primarily responsible for moving the tongue? A. Glossopharyngeal nerve B. Vagus nerve C. Accessory nerve D. Hypoglossal nerve | Hypoglossal nerve |
| Which of the following is NOT a function of the vagus nerve? A. Controlling the heart B. Regulating smooth muscles C. Moving the tongue D. Controlling sensory and muscular function of the digestive tract | Moving the tongue |
| Which cranial nerve carries impulses to the muscles of the soft palate, pharynx, and larynx? A. Accessory nerve B. Hypoglossal nerve C. Vagus nerve D. Glossopharyngeal nerve | Accessory nerve |
| Which cranial nerve is associated with aiding in swallowing and is involved in speech functions? A. Hypoglossal nerve B. Glossopharyngeal nerve C. Vagus nerve D. Trigeminal nerve | Glossopharyngeal nerve |