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Sec 8 Nervous System
Practice Questions
| Question | Answer |
|---|---|
| What structures combine to form spinal nerves? A. Dorsal and ventral roots B. Dorsal and ventral rami C. Cervical and thoracic nerves D. Sensory and motor neurons | Dorsal and ventral roots |
| How many cervical nerves are there in the human body? A. 5 B. 7 C. 8 D. 12 | 8 |
| Which of the following statements about dorsal nerves is correct? A. They transmit motor information B. They are located at the front of the spinal cord C. They transmit sensory information D. They carry impulses away from the central nervous system | They transmit sensory information |
| What is the function of ventral nerves? A. They transmit sensory information B. They carry motor information C. They are located at the back of the spinal cord D. They carry impulses toward the central nervous system | They carry motor information |
| Which region of spinal nerves serves the head, neck, and shoulders? A. Thoracic plexuses B. Lumbar plexuses C. Sacral plexuses D. Cervical plexuses | Cervical plexuses |
| How many thoracic nerves are present in the human body? A. 8 B. 12 C. 5 D. 7 | 12 |
| When a spinal nerve exits the spinal cord, it divides into: A. Dorsal and ventral roots B. Cervical and thoracic branches C. Dorsal and ventral rami D. Sensory and motor fibers | Dorsal and ventral rami |
| Where do spinal nerves exit the vertebral column? A. Through the vertebral foramen B. Through the intervertebral foramen C. Through the central canal D. Through the nerve plexuses | Through the intervertebral foramen |
| Which of the following is NOT a group of spinal nerves? A. Cervical nerves B. Cranial nerves C. Lumbar nerves D. Sacral nerves | Cranial nerves |
| What type of information does the dorsal root handle? A. Outgoing impulses from the brain B. Motor information to muscles C. sensory information toward the central nervous system D. Autonomic nervous system signals | sensory information toward the central nervous system |
| How many lumbar nerves are there? A. 12 B. 8 C. 7 D. 5 | 5 |
| Which statement about spinal nerves is true? A. They contain only motor fibers B. They contain only sensory fibers C. They contain both motor and sensory fibers D. They contain neither motor nor sensory fibers | They contain both motor and sensory fibers |
| What does the ventral root connect to? A. Sensory neurons B. Motor neurons C. Interneurons only D. Glial cells | Motor neurons |
| How many sacral nerves are there in the human body? A. 8 B. 5 C. 12 D. 7 | 5 |
| Where do spinal nerves originate? A. From the brain B. From the spinal cord C. From peripheral ganglia D. From nerve plexuses | From the spinal cord |
Created by:
tmcnu2