The sensory (afferent) division of the peripheral nervous system A. transmits ac

Question

The sensory (afferent) division of the peripheral nervous system A. transmits action potentials to sensory organs. B. conveys action potentials to the CNS. C. stimulates glands to release hormones. D. stimulates muscle contractions. E. does not involve sensory receptors. The motor (efferent) division of the peripheral nervous system A. is a division of the CNS. B. regulates the digestion of food. C. transmits impulses from the CNS to skeletal muscle. D. has nerve cell bodies located in ganglia near the spinal cord and brain. E. detects a stimulus. Which of the following is mismatched? A. central nervous system - brain B. autonomic nervous system - sympathetic and parasympathetic divisions C. peripheral nervous system - spinal nerves D. somatic nervous system - sensory division of PNS E. peripheral nervous system - sensory and motor divisions Axons A. contain the nucleus. B. are numerous extensions from each neuron. C. do not have a trigger zone. D. have a

Explanation / Answer

1) B

2) C

Afferent nerves are also called sensory neurons and they carry sensory stimuli from the sensory organs to the CNS while efferent nerves are also called motor nerves, carry the impulses away from the CNS to the skeletal muscles to cause a movement to occur.

3) D it is not the sensory part of PNS but both sensory and motor divisions together form the somatic division of PNS

5)B sensory or afferent neurons. Explanation above. Interneurons are transmit impulses between neurons (afferent and efferent)

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