ANAT.+PHYSIO.2-LAB.MAN. >CUSTOM<
20th Edition
ISBN: 9781264303090
Author: VanPutte
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 12.2, Problem 7AYP
Summary Introduction
To determine:
The parts of a monosynaptic and polysynaptic reflex arc, a reflex, and the way by which reflexes are homeostatic.
Introduction:
The neuronal pathway that regulates a reflex is called the reflex arc. It is the basic operative unit of the nervous system that is able to receive a stimulus and generate a response.
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Name the parts of a monosynaptic and of a polysynapticreflex arc. What is a reflex? Explain how reflexes arehomeostatic.
Describe how monosynaptic and polysynaptic reflex arcs differ
Name the following parts of the neuron as indicated. Specify
the functions of each part.
1
7
2
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4
3
Illustrate and explain the reflex arc.
Illustrate and explain transmission of neuronal impulses
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Chapter 12 Solutions
ANAT.+PHYSIO.2-LAB.MAN. >CUSTOM<
Ch. 12.1 - Prob. 1AYPCh. 12.1 - Name the meninges surrounding the spinal cord....Ch. 12.1 - What is the thecal sac? What two structures hold...Ch. 12.1 - Describe the arrangement of gray arid white matter...Ch. 12.1 - Where are the cell bodies of somatic motor and...Ch. 12.1 - What kinds of neurons are in the dorsal roots, in...Ch. 12.2 - Prob. 7AYPCh. 12.2 - Describe the operation of a gamma motor neuron.Ch. 12.2 - Prob. 9AYPCh. 12.2 - Prob. 10AYP
Ch. 12.2 - Prob. 11AYPCh. 12.3 - Prob. 12AYPCh. 12.3 - What is a dermatome? Why are dermatomes clinically...Ch. 12.3 - Prob. 14AYPCh. 12.3 - Describe the distribution of the ventral rami of...Ch. 12.3 - Prob. 16AYPCh. 12.3 - Prob. 17AYPCh. 12.3 - Prob. 18AYPCh. 12.3 - Name the five major nerves that emerge from the...Ch. 12.3 - Name the four major nerves that arise from the...Ch. 12.3 - Prob. 21AYPCh. 12.3 - Describe the structures innervated by the...Ch. 12.3 - Prob. 23AYPCh. 12 - Prob. 1RACCh. 12 - The structure that anchors the inferior end of the...Ch. 12 - Prob. 3RACCh. 12 - Given these components of a reflex arc: (1)...Ch. 12 - Prob. 5RACCh. 12 - Several of the events that occur between the time...Ch. 12 - Prob. 7RACCh. 12 - Prob. 8RACCh. 12 - Damage to the dorsal ramus of a spinal nerve...Ch. 12 - Prob. 10RACCh. 12 - A dermatome Is the area of skin supplied by a pair...Ch. 12 - Prob. 12RACCh. 12 - The skin on the posterior surface of the hand is...Ch. 12 - The scatic nerve is actually two nerves combined...Ch. 12 - Prob. 15RACCh. 12 - Describe how stimulation of a neuron that has its...Ch. 12 - Prob. 2CTCh. 12 - Prob. 3CTCh. 12 - Prob. 4CTCh. 12 - Prob. 5CTCh. 12 - Prob. 6CTCh. 12 - Prob. 7CT
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Similar questions
- What are the components of a reflex arc and what is the difference between a somatic motor reflex and a visceral reflex arc?arrow_forwardHow many neurons are in a monosynaptic reflex arc?arrow_forwardDescribe reflex responses in terms of the major structural and functional components of a reflex arc.arrow_forward
- Use logic to determine whether each of the following reflexes is a somatic reflex or an autonomic (visceral) reflex. Hint: think about what the effector is — is it a skeletal muscle, or is it a smooth / cardiac muscle or gland? -Patellar (knee-jerk) reflex -Pupillary light reflex (autonomic/somatic) -Effectors are skeletal muscles (autonomic/somatic) -Effectors are smooth muscles or glands (autonomic/somatic) -Regulation of blood pressure (autonomic/somatic) -Salivary reflex (autonomic/somatic)arrow_forwardThere are reflex arcs that employ a gamma motor neuron wrapped around a muscle spindle and involve no interneurons. Which is NOT an appropriate example of these reflex arcs among the following? patellar reflex achilles reflex inverted supinator reflex C5 reflex arcsarrow_forwardTrace the reflex arc, naming efferent and afferent nerves, receptors, effectors, and integration centers, for the following reflexes: alcaneal tendon reflexarrow_forward
- what is typical reflex pathway containing three different nerve cell types. What function does the respective cell have?arrow_forwardGive a labeled illustration of a simple reflex arc with its components of the patella tendon tap reflex/knee jerk reflex.arrow_forwardDescribe a situation where a reflex arc would be activated that is not described in your lesson. Assume that the reflex arc has five components to it. Please choose a reflex that involves a body part below the neck. (If you have trouble with this, do an internet search for information on reflex arcs.) Which type of structure was first stimulated in the reflex arc? What is the name of the second structure involved in the reflex arc? Into what part of the nervous system did the second structure send its electrical signal? What is the name of the third structure involved in the reflex arc? Where is this third structure located? What is affected by the electrical signal sent by the third structure? (This will be the fourth structure in the arc.) Where is the cell body of the fourth structure located? What is affected by the electrical signal sent by the fourth structure? (This will be the fifth structure in the arc.) What does the fifth structure do in response to that electrical signal…arrow_forward
- Define the term monosynaptic reflex?arrow_forwardWhat are the components in a polysynaptic reflex arc in the order that they are activated. Then briefly describe the function of each. #1 #2 #3 #4 #5arrow_forwardThe motor neuron involved in reciprocal innervation of the withdrawal reflex inhibits the extensor muscles of the limb. Considering what you learned about stretch reflexes, why does this make sense?arrow_forward
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