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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Textbook Question
Chapter 14, Problem 2MC
Neurons that have only two processes attached to the cell body are called
| a. | unipolar. |
| b. | bipolar |
| c. | multipolar |
| d. | efferent. |
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Neurons have three main components. Describe the function of each one
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i. Myelin sheet
A neuron without an axon would be unable to
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b. divide
c. receive stimulation from other neurons
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The cell body of a neuron does all of the following except a. release neurotransmitter into the synaptic cleft. b. produce synaptic vesicles containing neurotransmitter that are subsequently transported to the synaptic knob. c. conduct graded potentials to the initial segment. d. receive graded potentials from dendrites.
Chapter 14 Solutions
LooseLeaf for Human Anatomy
Ch. 14 - Together, what three functions do the CNS and PNS...Ch. 14 - Compare and contrast the meanings of afferent and...Ch. 14 - How do dendrites and axons differ in terms of...Ch. 14 - Prob. 4WYLCh. 14 - Prob. 5WYLCh. 14 - Prob. 6WYLCh. 14 - Prob. 7WYLCh. 14 - Prob. 8WYLCh. 14 - Prob. 9WYLCh. 14 - Prob. 10WYL
Ch. 14 - Prob. 11WYLCh. 14 - Prob. 12WYLCh. 14 - Prob. 13WYLCh. 14 - How is a diverging circuit different from a...Ch. 14 - Prob. 1MCh. 14 - Prob. 1MCCh. 14 - Neurons that have only two processes attached to...Ch. 14 - Prob. 3MCCh. 14 - Prob. 4MCCh. 14 - Prob. 5MCCh. 14 - Prob. 6MCCh. 14 - a. Neurolemmocyte b. Astrocyte c. Neuron d....Ch. 14 - Which type of neuronal pool uses nerve impulse...Ch. 14 - Prob. 9MCCh. 14 - Prob. 10MCCh. 14 - What are the three structural types of neurons?...Ch. 14 - Prob. 2CRCh. 14 - Prob. 3CRCh. 14 - Prob. 4CRCh. 14 - Prob. 5CRCh. 14 - Describe the arrangement and structure of the...Ch. 14 - Prob. 7CRCh. 14 - What are the differences between electrical and...Ch. 14 - Discuss the similarities and differences between...Ch. 14 - What are the basic developmental events that occur...Ch. 14 - Prob. 1DCRCh. 14 - Prob. 2DCR
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- Which of the following statements does NOT correctly describe the repolarization of a neuron? a. The potassium channels are slower to open, allowing the potassium ions to leave after depolarization. b. The potassium ions leave the cell, thereby returning the neuron to its resting potential. c. The neuron becomes more polarized and more negatively charged than its original resting membrane potential. d. The sodium and potassium channels open, allowing the positive ions to move out of the cell.arrow_forwardMotor neurons and interneurons are neurons.a. pseudo-unipolar c. multipolarb. bipolar d. afferentarrow_forwardWhat part of the membrane composition of a neuron is most important for the permeability of the membrane to various ions? Group of answer choices a. The outside and inside are charged b. There are proteins embedded in the membrane c. There is myelin around some cells d. Its ability to exist in fluid enviornmentarrow_forward
- When a neuron is inactive, more of which of the following exist OUTSIDE the neuron? A. Myelin sheaths B. Positive ions C. Neuropeptides D. Negative ionsarrow_forwardThe part of a neuron that contains the nucleus is the a. cell body b. dendrite c. axon d. glialarrow_forwardA channel opens on a postsynaptic membrane that causes a negative ion to leave the cell. What type of graded potential is this? a. depolarizing b. repolarizing c. hyperpolarizing d. non-polarizingarrow_forward
- The membrane of a neuron is composed of __________ with __________ embedded in them. a. proteins; neurotransmitters b. lipids; proteins c. carbohydrates; purines d. benzene molecules; carbohydrates Which cell type sends out axons that become the optic nerve? a. bipolar b. ganglion c. horizontal d. amacrinearrow_forwardWhich one of the following is true of the concentrations of ions inside and outside of an unstimulated neuron? A. More potassium outside than inside B. More potassium inside than outside C. More sodium outside than insidearrow_forwardWhen an action potential arrives in an axon terminal, synaptic vesicles containing acetylcholine are released by: a. facilitated diffusion. b. osmosis. c. exocytosis. d. endocytosis.arrow_forward
- Which of the following best describes the electrical state of a neuron at rest? a. The inside of a neuron is more negatively charged than the outside. b. The outside of a neuron is more negatively charged than the inside. c. The inside and the outside of a neuron have the same electrical charge. d. Potassium ions leak into a neuron at rest.arrow_forwardThe neuron cell is made up of which of the following parts? A. Axon B. Dendrite C. Nucleus D. All of the Abovearrow_forwardWhich of the following insulates and protects a neuron’s axon, as well as helps speed along electrical impulses? a. synaptic knobs c. myelin sheath b. receptor sites d. neuromodulatorsarrow_forward
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