Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 6.5, Problem 21CC
Name the seven steps in a reflex control pathway in their correct order.
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Name the following parts of the neuron as indicated. Specify
the functions of each part.
1
7
2
5
4
3
Illustrate and explain the reflex arc.
Illustrate and explain transmission of neuronal impulses
across synapse.
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)
In a combination of excitatory or inhibitory synaptic connections the following is true
it is poorly exemplified by the stretch reflex during a knee jerk
in the stretch reflex circuit the biceps or flexor muscle gets activated
in the stretch reflex circuit the quadriceps or extensor muscle gets activated
an inhibitory interneuron inhibits the flexor motor neuron
an inhibitory interneuron inhibits the extensor motor neuron motor neuron
Chapter 6 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 6.1 - Match the communication method on the left with...Ch. 6.1 - Which signal molecules listed in the previous...Ch. 6.1 - A cat sees a mouse and pounces on it. Do you think...Ch. 6.2 - List four components of signal pathways.Ch. 6.2 - Prob. 5CCCh. 6.2 - What are the four steps of signal transduction?Ch. 6.2 - Prob. 7CCCh. 6.2 - Prob. 8CCCh. 6.2 - Name the four categories of membrane receptors.Ch. 6.2 - Prob. 10CC
Ch. 6.2 - Prob. 11CCCh. 6.2 - Prob. 12CCCh. 6.3 - The extracellular fluid Ca2+ concentration...Ch. 6.3 - Prob. 14CCCh. 6.4 - What do receptors, enzymes, and transporters have...Ch. 6.4 - Prob. 16CCCh. 6.4 - Prob. 17CCCh. 6.5 - What is the difference between tonic control and...Ch. 6.5 - Prob. 19CCCh. 6.5 - What is the difference between local control and...Ch. 6.5 - Name the seven steps in a reflex control pathway...Ch. 6.5 - Prob. 22CCCh. 6.5 - Prob. 23CCCh. 6.5 - Prob. 24CCCh. 6 - What are the two routes for long-distance signal...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - An enzyme known as protein kinase adds the...Ch. 6 - Distinguish between central and peripheral...Ch. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQCh. 6 - Prob. 11RQCh. 6 - Explain the relationships of the terms in each of...Ch. 6 - List and compare the four classes of membrane...Ch. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 16RQCh. 6 - Prob. 17RQCh. 6 - Identify the target tissue or organ for each...Ch. 6 - Now identify the integrating center for examples...Ch. 6 - In each of the following situations, identify the...Ch. 6 - Prob. 21RQCh. 6 - Prob. 22RQ
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- What are the components of a reflex arc and what is the difference between a somatic motor reflex and a visceral reflex arc?arrow_forwardwhat is typical reflex pathway containing three different nerve cell types. What function does the respective cell have?arrow_forwardPlace the following concepts in the correct order to explain how a reflex works: Target organs , Afferent neuron , Sensory receptor , Interneuron , Motor neuronarrow_forward
- Define Hering-Breuer reflexarrow_forwardWhat is the physiological function of chemical and electrical synapses between reflexes (eg. a Knee Reflex and jerk reflex).arrow_forwardWhat does each of the following terms mean in relation to reflex arcs? Monosynaptic, ipsilateral, polysynaptic, intersegmental, contralateral, and reciprocal innervation.arrow_forward
- Somatic reflexes involve the contraction of agonist muscles and relaxation of antagonist muscles. When the agonist muscle is stimulated to contract, the antagonist muscle is inhibited. This relationship is referred to as: O contralateral inhibition O ipsilateral inhibition O reciprocal inhibition O extensor inhibitionarrow_forwardIn Neurology, please explain the relationship between suprathreshold depolarization and induced electrical neuro transmission. Is suprathreshold depolarization essential for inducing the electrical transmission?please explain in a few sentences.arrow_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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