Pearson eText Human Anatomy -- Instant Access (Pearson+)
9th Edition
ISBN: 9780135212936
Author: Frederic Martini, Robert Tallitsch
Publisher: PEARSON+
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Textbook Question
Chapter 17, Problem 19RFT
Postganglionic fibers of autonomic neurons are usually
(a) myelinated.
(b) unmyelinated.
(c) larger than preganglionic fibers.
(d) located in the spinal cord.
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The collateral ganglia contain which kind of cell bodies? (a) preganglionic parasympathetic, (b) postganglionic parasympathetic, (c) preganglionic sympathetic, (d) postganglionic sympathetic.
Collateral sympathetic ganglia are involved with the innervation of the (a) abdominal organs, (b) thoracic organs, (c) head, (d) arrector pili, (e) all of these.
There is always a synapse between the CNS and the peripheral effector in, (a) the ANS. (b) the SNS. (c) a reflex arc. (d) a, b, and c are correct.
Chapter 17 Solutions
Pearson eText Human Anatomy -- Instant Access (Pearson+)
Ch. 17 - Match each numbered item with the most closely...Ch. 17 - Prob. 2RFTCh. 17 - Prob. 3RFTCh. 17 - Prob. 4RFTCh. 17 - Prob. 5RFTCh. 17 - Prob. 6RFTCh. 17 - Match each numbered item with the most closely...Ch. 17 - Prob. 8RFTCh. 17 - Prob. 9RFTCh. 17 - Prob. 10RFT
Ch. 17 - Visceral motor neurons in the CNS (a) are...Ch. 17 - Prob. 12RFTCh. 17 - Prob. 13RFTCh. 17 - Prob. 14RFTCh. 17 - The neurotransmitter at all synapses and...Ch. 17 - Prob. 16RFTCh. 17 - 17. Sympathetic preganglionic fibers are...Ch. 17 - Prob. 18RFTCh. 17 - Postganglionic fibers of autonomic neurons are...Ch. 17 - The white ramus communicans a. carries the...Ch. 17 - Prob. 1RCCh. 17 - Prob. 2RCCh. 17 - Prob. 3RCCh. 17 - Prob. 4RCCh. 17 - Prob. 5RCCh. 17 - Prob. 6RCCh. 17 - 7. How do sympathetic chain ganglia differ from...Ch. 17 - 8. Compare the general effects of the sympathetic...Ch. 17 - Prob. 9RCCh. 17 - Prob. 1CTCh. 17 - Prob. 2CT
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- Which of the following does not characterize the ANS? (a) twoneuron motor chains, (b) preganglionic cell bodies in the CNS, (c) presence of postganglionic cell bodies in ganglia, (d) innervation of skeletal muscle.arrow_forwardMyelin in the CNS is produced by (a) astrocytes, (b) microglial cells, (c) oligodendrocytes, (d) ependymal cells.arrow_forwardA ganglion is a collection of (a) neuron cell bodies, (b) axons of motor neurons, (c) interneuron cell bodies, (d) axons of sensory neurons.arrow_forward
- The CNS interprets sensory information entirely on the basis of the, (a) strength of the action potential. (b) number of action potentials. (c) area of brain stimulated. (d) a, b, and c are correct.arrow_forwardSelect the best answer or answers from the choices given: The white rami communicantes contain what kind of fibers? (a) preganglionic parasympathetic, (b) postganglionic parasympathetic, (c) preganglionic sympathetic, (d) postganglionic sympathetic.arrow_forwardWhich of the following parts of a neuron occupies the gray matter in the spinal cord? (a) tracts of long axons, (b) motor neuron cell bodies, (c) sensory neuron cell bodies, (d) nerves.arrow_forward
- Ted is a war veteran who was hit in the back with small pieces of shrapnel. His skin is numb in the center of his buttocks and along the entire posterior side of a lower limb, but there is no motor problem. Indicate which of the following choices is the most likely site of his nerve injury, and explain your choice: (a) a few dorsal roots of the cauda equina, (b) spinal cord transection at C6, (c) spinal cord transection at L5, (d) femoral nerve transected in the lumbar region.arrow_forwardDescribe the sympathetic pathways to the (a) submandibular salivary gland, (b) bladder, (c) sweat glands in the skin, (d) adrenal medulla, (e) heart, (f) stomach.arrow_forwardWhich statement is true regarding a spinal (peripheral) nerve? A) they can contain afferent axons only B) each nerve ending contains a single axon C)They innervate all regions of the body, including the head D) there are 31 pairs of spinal nervesarrow_forward
- Ganglia are ... ... part of a nerve cell ... the connection between two nerve cells ... collections of nerve fibers in the CNS ... collections of nerve cell bodies outside the CNS ... a type of glial cell in the brainarrow_forwardWhich of the blood vessels below supplies arterial blood to the thalamus and the hypothalamus. (A) posterior inferior cerebellar artery (B) basilar artery (C) posterior cerebral artery (D) middle cerebral artery (E) anterior cerebral arteryarrow_forwardFill in the blanks: The shape of the cell bodies of upper and lower motor neurons are structurally classified as ............ and.................., respectivelyarrow_forward
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