Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 13, Problem 2RFT
Summary Introduction
To review:
Match the term effector with the most closely related description given below:
Positive feedback
Connects initial segment to cell body
Sensory information
Monitor position/movement of joints
Myelin
One dendrite
Neuron cell bodies in PNS
Blood brain barrier (BBB)
Side branches of axons
Skeletal muscle cells
Introduction:
An effector is defined as a gland, specialized cell, or muscle that is capable of responding to the neural signals. It responds by changing the activity and thereby, generating a specific effect in the body.
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5) All of the following are parts of a biological control or reflex loop except ...........
a) control center
b) effector
c) variables
d) receptor
Match cells and function :
Oligodendrocyte , Astrocytes
1. .......................... enhances the velocity of electrical transmission of an action potential along an axon in the CNS.
2. .......................... glial cells act locally to maintain normal electrolyte composition of the cerebrospinal fluid.
fill in the blank
...............is the most common neurotransmitter in the peripheral nervous system
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which statement regarding neurotransmission through myelinated and unmyelinated neurons is true? a.) Neurotransmissin takes place in myelinated neurons but not unmyelinated neurons. b.) Neurotransmission is generally faster in myelinated neurons than in unmyelinated neurons. c.) Neurotransmisson is generally faster in unmyelinated neurons than in myelinated neurons. d.) Neurotransmission takes place in unmyelinated neurons but not in myelinated neurons.arrow_forward44) which of these effectors is not directly controlled by the autonomic nervous system? a) smooth muscle b) skeletal muscle c) most glands d) cardiac musclearrow_forwardIn SA nodal cells the upstroke of the action potential:A)is characterized by a substantial overshoot component.B)results from rapid inward movement of Na+.C)results from inward movement of Ca2+D)results from inward movement of K+.arrow_forward
- Discuss the concept of termination of neurotransmitter action by comparing the mechanisms by which acetylcholine and nitric oxide's actions are terminated. (a) Name the three primary mediators of purinergic receptors. (b) Which one of these mediators is sometimes used to treat supraventricular tachycardia? (c) Explain why the drug in (b) is considered safer than verapamil in the treatment of supraventricular tachycardia?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_forwardNeurons have an electrical charge across their membranes called the resting potential when they are not being stimulated, From inside this potential has................charged. When a neuron receives a sufficiently large stimulus, and reaches a potential called the….…..…... ‚it produces an action potential. This causes the neuron to become.................charged inside.arrow_forward
- Action potentials move along different axons at different speeds. The slowest speed of conduction will be found in A) large unmyelinated axons B) small unmyelinated axons C) large myelinated axons D) small myelinated axonsarrow_forward1. If you block calcium channels on an axon, which will not occur? A) exocytosis of neurotransmitter B) repolarization phase of the action potential C) depolarization phase of the action potential D) hyperpolarization phase of the action potential E) graded potentialarrow_forwardIn Huntington’s disease........... cells of the.................. and.......... pathways degenerate resulting in movementsarrow_forward
- Which cell type is responsible for reuptaking neurotransmitters once released in the synapse? a) pyramidal cells b) ependymal cells c) glial cells d) oligodendrocytes The collective name for dopamine, serotonin and noradrenaline based on their chemistry is: a) cathecholamines b) indolamines c) neurotransmitters d) anxiolyticsarrow_forwardwhich is not true of neurotransmitters? a) they cross the membrane through the channels and carry electrical signals down the length of the axon b) dopamine and serotonin are neurotransmitters c) they are released by axon terminals into the synaptic cleft?arrow_forward39) what happens when the neurotransmitter binding causes Na to move into the post synaptic cell? a) neither of these b) IPSP c) EPSP d) both of thesearrow_forward
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