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FREE AND STUDY GAMES ABOUT A/P CH 11 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -182 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Parasympathetic division
Answer:
The division of the autonomic nervous system that oversees digestion, elimination, and glandular function; the resting and digesting subdivision.Question 2: What is the structure that joins two neurons at an electrical synapse?
Answer:
At an electrical synapses, neurons are joined by gap junctions.
Question 3: Synaptic vesicles
Answer:
Small membranous sacs containing neurotransmitter.Question 4: What types of neural circuits would give a prolonged output after a single input?
Answer:
Reverberating circuits and parallel after-discharge circuits both result in prolonged output.
Question 5: The gaps between Schwann cells that are essential for the conduction of the action
potential are called:
Answer:
nodes of Ranvier.
Question 6: Neuronal pools
Answer:
Functional groups of neurons that process and integrate information.
Question 7: Axon Terminal Function
Answer:
Secretory Components
Question 8: Neurons can communicate with, or stimulate, which of the following?
Answer:
Neurons, muscles, and glands
Question 9: Peripheral nervous system (PNS)
Answer:
Portion of the nervous system consisting of nerves and ganglia that lie outside of the brain and spinal cord.Question 10: Spatial summation occurs when:
Answer:
multiple local potentials occur at different places on the same cell at the same time.Question 11: True or False? Axons are the conducting component of the neuron, whereas dendrites are the collecting, or receiving, component.
Answer:
True
Question 12: Axon terminal
Answer:
- releases neurotransmitter
Question 13: The Nissl bodies seen in the neuron cell body represents which cellular organelle?
Answer:
Rough endoplasmic reticulum
Question 14: Axon
Answer:
- Conducts impulses away from the cell body
- The process called a nerve fiber
Question 15: White matter
Answer:
White substance of the central nervous system; myelinated nerve fibers.Question 16: How is nucleus within the brain different from a nucleus within a neuron?
Answer:
Nucleus within the brain is a cluster of cell bodies, whereas the nucleus within each neuron is a large organelle that acts as the control center of the cell.
Question 17: Afferent (sensory) nerve
Answer:
Nerve that contains processes of sensory neurons and carries nerve impulses to the central nervous system.
Question 18: Myelin sheath (mi'ë-lin)
Answer:
Fatty insulating sheath that surrounds all but the smallest nerve fibers.
Question 19: Reflex
Answer:
Automatic reaction to stimuli.Question 20: ______ are mitotic and therefore are responsible for most brain neoplasms.
Answer:
Neuroglia
Question 21: Terminal branches
Answer:
Branching ends of an axon that allow it to form many axon terminals; telodendria.
Question 22: Nerve Fiber
Answer:
A long axon Question 23: True or False? A reverberating circuit involves an incoming signal that travels along a chain of neurons and quickly dies out.
Answer:
False Reverberating, or oscillating, circuits give continuous output signals until one neuron in the circuit fails to fire. These circuits may continue to fire for seconds, hours, or even a lifetime, such as those controlling the rhythm of breathing.Question 24: True or False? The CNS is the control center for ALL human activities.
Answer:
False Although the CNS is a great control center, it does NOT control everything. The endocrine system monitors some things, and certain processes are managed at the cellular level.Question 25: Which of the following divisions of the nervous system is also known as the involuntary nervous system?
Answer:
The autonomic nervous system
Question 26: Tract
Answer:
A collection of axons in the central nervous system having the same origin, termination, and function.
Question 27: Electrochemical gradient
Answer:
The combined difference in concentration and charge; influences the distribution and direction of diffusion of ions.
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