Loose Leaf For Anatomy & Physiology: An Integrative Approach
3rd Edition
ISBN: 9781260162493
Author: McKinley Dr., Michael; O'Loughlin, Valerie; Bidle, Theresa
Publisher: McGraw-Hill Education
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Chapter 12, Problem 2DYB
Summary Introduction
Introduction:
A neuron is a basic functional unit of the nervous system and is the specialized cells of the nervous system that makes a complex network for the transmission of messages. A neuron is made up of a cell body, nerve fibers: dendrites and an axon in its structure.
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Students have asked these similar questions
The part of a neuron that contains the nucleus is the a. cell body b. dendrite c. axon d. glial
A neuron without an axon would be unable to
a. conduct nerve impulses
b. divide
c. receive stimulation from other neurons
d. store genetic material
What type of cells serve the needs of delicate neurons by bracing and protecting them? Are they capable of generating and transmitting nerve impulses?
A.
ganglia, no
B.
ganglia, yes
C.
neuroglia, yes
D.
neuroglia, no
What type of cells myelinate the cytoplasmic extensions of neurons?
A.
oligodendrocytes and schwann cells
B.
microglial cells
C.
astrocytes
D.
ependymal cells
Which structural classification of neurons has only one very short process that extends from the cell body and divides into peripheral and central processes?
A.
anaxonic neurons
B.
multipolar neurons
C.
unipolar neurons
D.
bipolar neurons
Chapter 12 Solutions
Loose Leaf For Anatomy & Physiology: An Integrative Approach
Ch. 12.1 - Prob. 1LOCh. 12.1 - Prob. 1WDLCh. 12.1 - Prob. 2LOCh. 12.1 - Prob. 3LOCh. 12.1 - What are the two primary functional divisions of...Ch. 12.1 - Prob. 4LOCh. 12.1 - Prob. 5LOCh. 12.2 - What are the three connective tissue wrappings in...Ch. 12.2 - Prob. 6LOCh. 12.2 - Prob. 4WDL
Ch. 12.2 - Prob. 7LOCh. 12.2 - Prob. 8LOCh. 12.2 - Prob. 5WDLCh. 12.2 - LEARNING OBJECTIVE
9. Distinguish between fast...Ch. 12.2 - Prob. 6WDLCh. 12.2 - Prob. 10LOCh. 12.2 - Prob. 11LOCh. 12.2 - Prob. 7WDLCh. 12.2 - Prob. 8WDLCh. 12.3 - Prob. 12LOCh. 12.3 - Prob. 13LOCh. 12.3 - Prob. 9WDLCh. 12.4 - Prob. 14LOCh. 12.4 - If a person has a brain tumor, is it more likely...Ch. 12.4 - Prob. 15LOCh. 12.4 - Prob. 11WDLCh. 12.4 - Prob. 12WDLCh. 12.4 - Prob. 16LOCh. 12.4 - Prob. 17LOCh. 12.4 - Prob. 13WDLCh. 12.5 - Prob. 18LOCh. 12.5 - Prob. 19LOCh. 12.5 - Prob. 14WDLCh. 12.5 - Prob. 15WDLCh. 12.6 - LEARNING OBJECTIVE
20. Distinguish between a pump...Ch. 12.6 - Prob. 16WDLCh. 12.6 - Prob. 21LOCh. 12.6 - LEARNING OBJECTIVE
22. Identify and describe the...Ch. 12.6 - Prob. 17WDLCh. 12.7 - Prob. 23LOCh. 12.7 - Prob. 18WDLCh. 12.7 - Prob. 24LOCh. 12.7 - Prob. 25LOCh. 12.7 - Prob. 26LOCh. 12.7 - Prob. 19WDLCh. 12.7 - Prob. 20WDLCh. 12.8 - Prob. 27LOCh. 12.8 - LEARNING OBJECTIVE
28. Compare and contrast the...Ch. 12.8 - Prob. 29LOCh. 12.8 - Prob. 1WDTCh. 12.8 - How are EPSP and IPSP graded potentials...Ch. 12.8 - LEARNING OBJECTIVE
30. Define summation, and...Ch. 12.8 - Prob. 22WDLCh. 12.8 - Prob. 31LOCh. 12.8 - Prob. 32LOCh. 12.8 - Prob. 33LOCh. 12.8 - How does depolarization and repolarization occur...Ch. 12.8 - Prob. 24WDLCh. 12.8 - Prob. 34LOCh. 12.8 - Prob. 35LOCh. 12.8 - Prob. 25WDLCh. 12.9 - Prob. 36LOCh. 12.9 - Prob. 26WDLCh. 12.9 - Prob. 37LOCh. 12.9 - Prob. 38LOCh. 12.9 - Prob. 27WDLCh. 12.9 - Prob. 39LOCh. 12.9 - Prob. 28WDLCh. 12.10 - Prob. 40LOCh. 12.10 - Prob. 41LOCh. 12.10 - Prob. 29WDLCh. 12.10 - LEARNING OBJECTIVE
42. Describe how acetylcholine...Ch. 12.10 - Prob. 43LOCh. 12.10 - WHAT DO YOU THINK?
2 Predict the general effect of...Ch. 12.10 - Prob. 30WDLCh. 12.10 - Prob. 44LOCh. 12.10 - Prob. 45LOCh. 12.10 - Prob. 31WDLCh. 12.11 - LEARNING OBJECTIVE
46. Identify the four different...Ch. 12.11 - Prob. 32WDLCh. 12.11 - Prob. 33WDLCh. 12 - _____ 1. The cell body of a neuron does all of the...Ch. 12 - Prob. 2DYBCh. 12 - Prob. 3DYBCh. 12 - Prob. 4DYBCh. 12 - Prob. 5DYBCh. 12 - Prob. 6DYBCh. 12 - _____ 7. An action potential is generated when...Ch. 12 - Prob. 8DYBCh. 12 - Prob. 9DYBCh. 12 - Prob. 10DYBCh. 12 - What are the four structural types of neurons? How...Ch. 12 - Prob. 12DYBCh. 12 - How does myelination differ between the CNS and...Ch. 12 - Describe the procedure by which a PNS axon may...Ch. 12 - Prob. 15DYBCh. 12 - Prob. 16DYBCh. 12 - Explain summation of EPSPs and IPSPs and the...Ch. 12 - Graph and explain the events associated with an...Ch. 12 - Prob. 19DYBCh. 12 - Prob. 20DYBCh. 12 - Prob. 1CALCh. 12 - Prob. 2CALCh. 12 - Prob. 3CALCh. 12 - Prob. 4CALCh. 12 - Sarah wants to call her new friend Julie and needs...Ch. 12 - Over a period of 6 to 9 months, Marianne began to...Ch. 12 - Prob. 2CSLCh. 12 - Prob. 3CSL
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- A bundle of axons in the peripheral nervous system is called a: A. Neuron B. Ganglion 1 C. Tractarrow_forwardWhich of the following is not a way neuroglia cells help neurons? A. Provide support and protection B. Speed up electrical signals C. Provide nutrients D. Send electrical signals themselvesarrow_forwardIn the sympathetic nervous system, which of the following prevents apoptosis? A. Steroid hormones B. Nerve growth factor C. Physical exercise D. Myelinationarrow_forward
- Which 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_forwardThe cells of neuroglia are formed from two sources: ectoderm and mesenchyme. What cells have the mesenchymal origin? a. Fibrillar astrocyte b. Microgliocytes c. Ependymal cell d. Oligodendrocyte e. Protoplasmic astrocytearrow_forwardSchwann cells are a type of glial cell found in the nervous system. In addition to the conduction of nerve impulses, the outermost layer called neurilemma aids in nerve development and regeneration. After examining the image below, can you explain why brain cells have a. Neurons in the central nervous system lack neurilemma of Schwann cells. b. Neurons in the central nervous system are surrounded by white matter. c. Axons of the peripheral nervous system lack neurilemma of Schwann cells. d. Neurons in the peripheral nervous system are surrounded by grey matter.arrow_forward
- The cells responsible for the transmission of the nerveimpulse are ________. a. neuronsb. oligodendrocytesc. astrocytesd. microgliaarrow_forwardThe Na+/K+ pump is important for ________ in neurons. A) the depolarizing phase of the action potential B) the repolarizing phase of the action potential C) establishing myelination D) establishing the resting potential E) generating ATParrow_forwardWhich of the following is a part of the PNS? a. microglia b. spinal cord c. brain d. neurolemmocytearrow_forward
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