Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 11RFT
Which of the following is not a function of the neuroglia?
(a) support
(b) information processing
(c) secretion of cerebrospinal fluid
(d) phagocytosis
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Match the types of neuroglia to their functions. (1) ependymal cells (2) oligodendrocytes (3) astrocytes (4) Schwann cells (5) microglial cells A. form a myelin sheath around peripheral nerves B. phagocytize cellular debris and bacteria C. line inner parts of ventricles and spinal cord D. form scar tissue and regulate ion and nutrient concentrations in the CNS E. form a myelin sheath around neurons in the CNS
A synapse between a terminal bouton and a neuron cell body is classified as (a) axodendritic, (b) axoaxonic, (c) axosomatic, (d) axoneuronic.
where does repolarization need to happen on the myelinated neurons?
a.) along the entire length of the neuron
b.) only at the nodes of Ranvier
c.) Only at the synaptic vesicles
d.) only at the terminal bouton
Chapter 13 Solutions
Human Anatomy (9th Edition)
Ch. 13 - Match each numbered item with the most closely...Ch. 13 - Prob. 2RFTCh. 13 - Prob. 3RFTCh. 13 - Match each numbered item with the most closely...Ch. 13 - Match each numbered item with the most closely...Ch. 13 - Match each numbered item with the most closely...Ch. 13 - Prob. 7RFTCh. 13 - Prob. 8RFTCh. 13 - Prob. 9RFTCh. 13 - Prob. 10RFT
Ch. 13 - 11. Which of the following is not a function of...Ch. 13 - Neuroglia found surrounding the cell bodies of...Ch. 13 - The most important function of the cell body of a...Ch. 13 - Fill in the blanks below with the proper...Ch. 13 - 15. Axons terminate in a series of fine extensions...Ch. 13 - Prob. 16RFTCh. 13 - Prob. 1RCCh. 13 - Prob. 2RCCh. 13 - 3. Developmental problems in the growth and...Ch. 13 - Prob. 4RCCh. 13 - How does exteroceptor activity differ from...Ch. 13 - Prob. 6RCCh. 13 - Prob. 7RCCh. 13 - Prob. 8RCCh. 13 - Prob. 9RCCh. 13 - Prob. 10RCCh. 13 - Prob. 1CTCh. 13 - Prob. 2CTCh. 13 - Prob. 3CT
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- Neurons typically receive information at structures called Question 1 options: A) Myelin B) Dendrites C) Neuroglia D) Axons E) Axon hillocksarrow_forwardWhere does repolarization need to happen on myelinated neurons? a.) Along the length of the neuron b.) Only at the nodes of Ranvier c.) Only at the synaptic vesicles d.) Only at the terminal boutonarrow_forwardMatch the neuroglia with the correct function: A. Satellite cells B. Schwann Cells C. Oligodendrocytes D. Ependymal E. Microglia F. Astrocytes 1. Cells that produce the myelin in the PNS. 2. Cells that produce myelin in the CNS 3. Phagocytes that dispose debris like dead brain cells and bacteria 4. Anchors and braces neurons with cellular projections 5. Cells have cilia that help circulate the cerebrospinal fluid 6. Cells help cushion and protect neurons in the PNS 7. Cells serve as a medium for diffusion between capillaries and neurons 8. Cells line cavities of the brain and spinal cordarrow_forward
- a) How does E allow faster transmission of signals? b) What would happen if G has a lack of Calcium? c) Most neurons have the style of junction (chemical) shown in the diagram, rather than gap (electrical) junctions. Why does this make sense?arrow_forwardWhere are neurotransmitter receptors located?(A) the nuclear membrane(B) the nodes of Ranvier(C) the postsynaptic membrane(D) synaptic vesicle membranesarrow_forward(a) What is myelin? (b) How does the myelination process differ in the CNS and PNS?arrow_forward
- When a neuron receives signals from other neurons, the signals arrive at the axon hillock in the form of ________. A) graded potential changes B) action potentials C) calcium ions D) ATP E) RNAarrow_forwardThe opening of potassium (K+) channels on dendrites of a postsynaptic neuron will have what effect? A) Depolarization B) EPSP C) Hyperpolarization D) IPSP E) Both A and B are correct F) Both C and D are correctarrow_forwarda) what letter represents dorsal white column b) what letter represents structure that carrys motor impulses from CNS to skeletal muscles? c) What letter represents structure that houses cell bodies of general somatic afferent neurons?arrow_forward
- (a) Contrast unipolar, bipolar, and multipolar neurons structurally. (b) Indicate where each is most likely to be found.arrow_forwardThe loss of positive ions from the interior of a neuron produces, (a) depolarization. (b) threshold. (c) hyperpolarization. (d) an action potential.arrow_forward51) the somatic and autonomic nervous system differ in all of the following except......? a) target organ responses to their neurotransmitter b) their effectors c) regulation of activity by higher brain centers d) their efferent pathways and gangliaarrow_forward
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