LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Question
Chapter 18, Problem 6MC
Summary Introduction
Introduction:
Neurotransmitters are the chemicals used for the transmission of nerve impulse Acetylcholine; dopamine epinephrine can be used as a neurotransmitter.
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Neurotransmission is the way that brain cells communicate, and the bulk of those communications occur at a site called the
a. Basal Ganglia
b. Neurons
c. Synapses
d. Hypothalamus
Dopamine is an important neurotransmitter. Which disease or disorder results when the neurons in the brain that produce dopamine die?
A. Multiple sclerosis
B. Lou Gehrig's disease (amyotrophic lateral sclerosis)
C. Parkinson's disease
D. Seizure disorder
Activation of the sympathetic nervous system causes: a. increased blood flow into the skin b. a decreased heart rate c. an increased heart rate d. increased digestion
Chapter 18 Solutions
LooseLeaf for Human Anatomy
Ch. 18 - How are motor neurons organizationally different...Ch. 18 - Prob. 2WYLCh. 18 - Prob. 3WYLCh. 18 - Prob. 4WYLCh. 18 - What are the differences between the terminal and...Ch. 18 - Prob. 6WYLCh. 18 - Prob. 7WYLCh. 18 - Prob. 8WYLCh. 18 - Prob. 9WYLCh. 18 - Prob. 10WYL
Ch. 18 - Prob. 11WYLCh. 18 - Prob. 12WYLCh. 18 - Prob. 13WYLCh. 18 - Prob. 14WYLCh. 18 - Prob. 15WYLCh. 18 - Match each numbered item with the most closely...Ch. 18 - A splanchnic nerve in the sympathetic division of...Ch. 18 - Some parasympathetic preganglionic neuron cell...Ch. 18 - Prob. 3MCCh. 18 - Prob. 4MCCh. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - Prob. 8MCCh. 18 - Prob. 9MCCh. 18 - All of the following cranial nerves carry...Ch. 18 - Prob. 1CRCh. 18 - Prob. 2CRCh. 18 - Compare and contrast the postganglionic axons of...Ch. 18 - Explain how adrenal medulla stimulation...Ch. 18 - Prob. 5CRCh. 18 - Are the cell bodies of sympathetic and...Ch. 18 - Prob. 7CRCh. 18 - Prob. 8CRCh. 18 - Prob. 9CRCh. 18 - Describe the embryonic components that form ANS...Ch. 18 - Prob. 1DCRCh. 18 - Prob. 2DCR
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- Ganglia are ... a) ... collections of nerve cell bodies outside the CNS b) ... part of a nerve cell c) ... the connection between two nerve cells d) ... collections of nerve fibers in the CNS e) ... a type of glial cells in the brainarrow_forwardCocaine affects a synapse by blocking the reuptake or reabsorbtion of the neurotransmitter dopamine by the presynaptic neurons. Therefore,the levels of dopamine continue to build in the synapse, causing certain effects on the body. A. Explain how cocaine interferes with neural transmission across the synapse B.Describe the natural role of dopamine in the brain C. Predict how cocaine could be addictive after only one use.arrow_forwardParkinson’s disease is a caused by the degeneration of neurons that release ________. a. serotonin b. dopamine c. glutamate d. norepinephrinearrow_forward
- The process of myelination results in an increase in white matter. Myelination happens for all brain regions. Because of increases in myelination A) At the same time; neural signals can travel through the brain faster B) At different times; neural signals can travel through the brain faster C) At different times; neurogenesis is improved D) At the same time; neurogenesis is improvedarrow_forwardPost-synaptic acetylcholine receptors are blocked by A.Calcium ions B.Atropine C.Nerve gases D.Curarearrow_forwardWhat are the synaptic effects of glycine? a. It directly stimulates glutamate receptors. b. It facilitates the effects of glutamate. c. It directly stimulates acetylcholine receptors. d. It facilitates the effects of acetylcholine.arrow_forward
- Which of the following releases norepinephrine as a neurotransmitter? a. preganglionic sympathetic neurons b. preganglionic parasympathetic neurons c. postganglionic sympathetic neurons d. postganglionic parasympathetic neuronsarrow_forwardMultiple sclerosis is a neurodegenerative disease in which the body’s immune system attacks and breaks down the white matter in the nervous system. A. What is another word (other than “white matter”) for the structure or type of cells that are affected in patients with MS? B. Given what these cells/structures do, what effect on neural transmission do you think MS has?arrow_forwardHeidi’s physician prescribed a medication that is known to block the reuptake of serotonin neurotransmitter from the synaptic cleft. This medication affects what segment in neuron transmission that is responsible for releasing the neurotransmitter? a. initial segment b. conductive segment c. transmissive segment d. receptive segmentarrow_forward
- The purpose of the autonomic nervous system is to do all of the following excepta. stimulate glands.b. relay messages to skeletal muscles.c. relay messages to cardiac and smooth muscles.d. regulate the body’s homeostasis.arrow_forwardA benzodiazepine such as Valium inhibits seizures through what action? A) Inhibiting Dopamine Receptors B) Decreasing the amount of Glutamate C) Increasing Norepinephrine Stimulation D) Increasing GABA Actionarrow_forwardHaloperidol is a drug that interferes with the transmission of dopamine among neurons. What effect would it probably have on someone who is suffering from Parkinson's disease?arrow_forward
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