Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 3CYR
Sympathetic preganglionic neurons synapse:
a. directly on target cells.
b. on skeletal muscle fibers.
c. on sympathetic chain or collateral ganglia.
d. on vagal ganglia.
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The fibers of the sympathetic
division may release Ach at the:
Select one:
a. Synapse with the cardiac
muscle
b. Synapse with the
postganglionic neuron
c. Neuromuscular junction
d. Synapse with the adrenal
cortex
The postganglionic fibers of the sympathetic nervous system are:
a. short, adrenergic, type B
b. short, cholernergic, type B
c. long, adrenergic, type A
d. long, cholernergic, type A
e. none of the above
A fight-or-flight response in the body is controlled by thea. sympathetic division of the nervous system.b. parasympathetic division of the nervous system.c. release of acetylcholine from postganglionic neurons.d. somatic nervous system.
Chapter 14 Solutions
Human Anatomy & Physiology
Ch. 14.1 - What are the basic functions of the ANS?Ch. 14.1 - 2. What are autonomic ganglia?
Ch. 14.1 - How do somatic motor neurons and autonomic neurons...Ch. 14.1 - 4. What are preganglionic and postganglionic...Ch. 14.1 - What are the two divisions of the ANS?Ch. 14.1 - How are the two divisions of the ANS alike, and...Ch. 14.2 - 1. Where are the cell bodies of sympathetic...Ch. 14.2 - Where are the cell bodies of sympathetic...Ch. 14.2 - Which neurotransmitter(s) is (are) released by...Ch. 14.2 - Prob. 4QC
Ch. 14.2 - Prob. 5QCCh. 14.2 - Describe the effects of the sympathetic nervous...Ch. 14.3 - What is the basic function of the parasympathetic...Ch. 14.3 - Where are the preganglionic parasympathetic cell...Ch. 14.3 - How does the arrangement of neurons in the...Ch. 14.3 - 4. Which neurotransmitter is released by all...Ch. 14.3 - Prob. 5QCCh. 14.3 - Prob. 6QCCh. 14.3 - Summarize the effects of the parasympathetic...Ch. 14.4 - Prob. 1QCCh. 14.4 - Prob. 2QCCh. 14.4 - 3. What is autonomic tone?
Ch. 14.4 - How does the CNS mediate control over the ANS?Ch. 14 - Which of the following best describes the basic...Ch. 14 - 2. Fill in the blanks: The sympathetic nervous...Ch. 14 - 3. Sympathetic preganglionic neurons synapse:
a....Ch. 14 - Differentiate between adrenergic and cholinergic...Ch. 14 - Prob. 5CYRCh. 14 - Explain what happens when sympathetic neurons...Ch. 14 - Prob. 7CYRCh. 14 - Mark each of the following as an effect of the...Ch. 14 - Mark the following statements as true or false. If...Ch. 14 - 10. Fill in the blanks: _______receptors are...Ch. 14 - Parasympathetic ganglia are typically: a. located...Ch. 14 - Central nervous system control over the ANS is...Ch. 14 - 1. Using 20 or fewer words, define each of the...Ch. 14 - You are running a race to the top of a mountain....Ch. 14 - 3. Describe all the changes initiated by the...Ch. 14 - 1. Which cranial nerves would be affected by a...Ch. 14 - 2. A patient, Dr. Young, has both asthma and high...Ch. 14 - Mr. Chevalier has been diagnosed with Horner...Ch. 14 - Many chemical warfare agents, such as the...
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- A preganglionic neuron A. has its unmyelinated axon extending from the ganglion to the effector B. has it unmyelinated axon in the CNS & the axon extends to an autonomic ganglion C. has its cell body in the CNS & the dendrite extends to an autonomic ganglion D. has its cell body in the CNS & the axon extends to an autonomic ganglion E. has its cell body in the CNS & the axon extends to the CNSarrow_forwardMark the following statements as true of false. If a statement is false, correct it to make a true statement. a. Ependymal cells regulate the composition and movement of cerebrospinal fluid. b. Schwann cells make myelin in the peripheral nervous system c. Microglia are neuroglial cells with an immune function. d. Oligodendrocytes repair damaged axons in the peripheral nervous system. e. Astrocytes regulate the extracellular environment of the brain and are key components of the blood-brain barrier. f. Oligodendrocytes and Schwann cells perform similar functions in different parts of the nervous system.arrow_forwardDemyelination of axon in peripheral nerves is the cause of: a. Huntington's b. Horners Syndrome c. Multiple sclerosis d. Gullian Barre Syndromearrow_forward
- Which of the following statements concerning the preganglionic neuronsof the ANS is true?a. All parasympathetic preganglionic neurons secrete acetylcholine.b. Only parasympathetic preganglionic neurons secrete acetylcholine.c. All sympathetic preganglionic neurons secrete norepinephrine.d. Only sympathetic preganglionic neurons secrete norepinephrine.arrow_forwardIn general, parasympathetic activation will produce effects that are _ to those produced by activation of sympathetic neurons. a. similar b. antagonistic c. complimentary d. identicalarrow_forwardWhat are the nerve roots for the autonomic nervous system? a. Sympathetic = T2-T10; Parasympathetic = S2-4 b. Sympathetic = C1-C5; Parasympathetic = T2-T10 c. Sympathetic = T1-L2, Parasympathetic = CN3, 7, 9, 10 & S2-4 d. Sympathetic = CN3,7,9,10; Parasympathetic = T2-10arrow_forward
- Which of the following is not associated with sympathetic stimulation? a. arteriolar dilation in skeletal muscle b. flight or fight c. preparation for energy expenditure d. diffuse effects e. small intestine absorption of nutrients.arrow_forwardThe atrioventricular node is located in the: A. right atrium B. right ventricle C. septum between the right and left atrium D. juncture between the right atrium and ventricle Preganglionic parasympathetic neurons release NT that binds to: A. nicotinic acetylcholine ligand-gated receptors B. muscarinic acetylcholine GPCRs C. beta-1 norepinephrine GPCRs D. norepinephrine ligand-gated receptorsarrow_forwardIdentify the following as properties of electrical synapses (ES), chemical synapses (CS), or both (B). a. _____ The plasma membranes of presynaptic and postsynaptic neurons are joined by gap junctions. b. _____ Transmission is unidirectional and delayed. c. _____ A presynaptic neuron and a postsynaptic neuron are involved. d. _____ The use of neurotransmitters packaged into synaptic vesicles is required. e. _____ Transmission is nearly instantaneous and bidirectionarrow_forward
- Imagine that you're hiking in the mountains one afternoon with friends. As you turn to the corner, you come across a mother bear and her cubs standing in the middle of the trail. A. Identify the specific division of the nervous system that is responsible that is responsible for the body's response to this situation. Explain B. Describe at least four physiological responses you might have upon seeing the bears. C. Indicate the division of the nervous system that is responsible for returning the body back to equilibrium after the event is over Explainarrow_forwardA nerve conduction velocity test measures nerve conduction velocity. In this test, an electrical stimulus is applied to a peripheral nerve and the length of time it takes for the corresponding muscle to contract is measured. Because the length of the nerve from stimulus point to muscle and the time it takes for the muscle to contract are both known, NCV can be calculated. This test result is helpful in distinguishing between different types of pathologies. For example, a patient with muscle weakness is being tested by a physician. There are three possible sources of the weakness: Disease of the muscle itself such as muscular dystrophy. In this condition, normal muscle tissue is replaced by adipose tissue and the muscle becomes incapable of contraction. Disease at the neuromuscular junction (NMJ) such as myasthenia gravis. This condition is described in the Skeletal Muscle Histology exercise and results from damage to the acetylcholine receptors on the muscle end plate. Disease…arrow_forwardThe autonomic nervous system is part of the a. central nervous system. b. peripheral nervous system. c. sympathetic nervous system. d. parasympathetic nervous system.arrow_forward
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