HUMAN A+P MOD.MASTERING
2nd Edition
ISBN: 9780136919520
Author: AMERMAN
Publisher: PEARSON
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Question
Chapter 13.6, Problem 6QC
Summary Introduction
To review:
The reflex arcs of the following reflexes:
a. Simple stretch reflex
b. Flexion reflex
c. Gag reflex
d. Corneal blink reflex
Introduction:
There are two types of reflexes on the basis of a number of synapses that occur between the neurons involved in the arc, these involve monosynaptic reflex and polysynaptic reflex. On this basis of the type of organ in which reflex takes place, there are again two classes of the reflex arc, visceral reflex arc and somatic reflexes arc.
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1) For each of the following reflexes, detail what the sensor is, the integrator, and the effector. Also note the neuronsinvolved in the reflex (like alpha motor neuron).a. Myotatic (stretch reflex)b. Autogenic Inhibition (Golgi tendon organ reflex)c. Flexor Reflex
Name the 5 components of a reflex arc in order. a. ______________________ b. ______________________ c. ______________________ d. ______________________ e. ______________________ 2. How many neurons are in a monosynaptic reflex arc? _______ How many synapses are in the integrating center? _______ 3. How many neurons are in a polysynaptic reflex arc? _______ How many synapses are in a polysynaptic reflex arc containing two interneurons in the integrating center? _______ 4. Which type of neuron does the sensory neuron synapse with in a monosynaptic reflex arc? ______________________ 5. Which type of neuron does the sensory neuron synapse with in a polysynaptic reflex arc? _______________________
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Chapter 13 Solutions
HUMAN A+P MOD.MASTERING
Ch. 13.1 - What two subclasses make up the sensory division...Ch. 13.1 - 2. What is a lower motor neuron? How are upper...Ch. 13.1 - In what ways do the somatic and visceral motor...Ch. 13.1 - Prob. 4QCCh. 13.1 - Prob. 5QCCh. 13.1 - What structures are found in a peripheral nerve?Ch. 13.1 - How are sensations detected in the PNS and...Ch. 13.1 - 8. How are motor impulses transmitted from the...Ch. 13.2 - Prob. 1QCCh. 13.2 - 2. What are the Roman numerals and main...
Ch. 13.2 - 3. What are the Roman numerals and main...Ch. 13.2 - List the 12 pairs of cranial nerves in ascending...Ch. 13.2 - Prob. 5QCCh. 13.3 - Prob. 1QCCh. 13.3 - What are the anterior and posterior rami, and what...Ch. 13.3 - 3. What are the key structures supplied by each...Ch. 13.3 - 4. Differentiate between the trunks and cords of...Ch. 13.3 - Prob. 5QCCh. 13.3 - Prob. 6QCCh. 13.3 - Prob. 7QCCh. 13.4 - 1. What is sensory transduction?
Ch. 13.4 - Prob. 2QCCh. 13.4 - 3. What are the three components of a typical...Ch. 13.4 - What is a first-order sensory neurons receptive...Ch. 13.4 - What is the two-point discrimination threshold,...Ch. 13.4 - What is a dermatome?Ch. 13.4 - 7. Why is visceral pain often perceived as...Ch. 13.5 - 1. What are the main differences between an upper...Ch. 13.5 - 2. What is a motor neuron pool?
Ch. 13.5 - What is the general sequence of events for...Ch. 13.6 - Prob. 1QCCh. 13.6 - 2. How do intrafusal and extrafusal muscle fibers...Ch. 13.6 - What are the functions of primary and secondary...Ch. 13.6 - 4. How do Golgi tendon organs and muscle spindles...Ch. 13.6 - How do polysynaptic and monosynaptic reflex arcs...Ch. 13.6 - Prob. 6QCCh. 13.6 - How are the flexion and crossed-extension reflexes...Ch. 13.6 - What are some potential effects of sensory...Ch. 13.6 - How do upper and lower motor neuron disorders...Ch. 13 - Mark the following statements as true or false. If...Ch. 13 - Prob. 2CYRCh. 13 - 3. Define each of the following terms in your own...Ch. 13 - First, write the Roman numeral that corresponds to...Ch. 13 - Prob. 5CYRCh. 13 - Match the following nerves with the structures...Ch. 13 - First-order somatic sensory neurons are...Ch. 13 - Prob. 8CYRCh. 13 - Prob. 9CYRCh. 13 - 10. Merkel cell fibers, tactile corpuscles,...Ch. 13 - 11. Place the following sequence of events for the...Ch. 13 - How do upper and lower motor neurons differ?Ch. 13 - 13. List and describe the basic steps involved in...Ch. 13 - 14. The lower motor neurons that innervate...Ch. 13 - Fill in the blanks:______ detect the degree to...Ch. 13 - Which of the following is the correct order of...Ch. 13 - 17. Mark the following statements as true or...Ch. 13 - Prob. 18CYRCh. 13 - Prob. 1CYUCh. 13 - Prob. 2CYUCh. 13 - Prob. 3CYUCh. 13 - Prob. 1AYKACh. 13 - Jason presents for evaluation after a severe...Ch. 13 - 3. When Mr. Williams goes to the emergency...Ch. 13 - 4. Maria is a 3-year-old who has been diagnosed...Ch. 13 - Another feature of CIPA is anhidrosis, or the...
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Similar questions
- All of the following are true concerning reflex arcs EXCEPT A.they involve a few neurons and directly enter and immediately leave the spinal cord B.they are used to prevent harm C.they are subconscious and automatic D.they only use the PNS and not the CNSarrow_forwardWhich of the following apply to all reflexes. (2)arrow_forwardReflexes involve the: Select one: a. sympathetic and central nervous systems. b. autonomic nervous system and the brain. c. parasympathetic nervous system and the cerebrum. d. peripheral nervous system and the spinal cord.arrow_forward
- Distinguish between the following types of reflexes: A) Somatic vs. Visceral (autonomic) reflex B) Monosynaptic vs. Polysynaptic reflex C) Ipsilateral vs. Contralateral vs. Bilateral (consensual) reflex D) Cranial vs. Spinal reflexarrow_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_forwardAll of the following are true regarding the descending motor tracts EXCEPT which one? A. They originate in either the cerebral cortex or brainstem. B. The pathways are generally made of a two-neuron system. C. The upper motor neuron fibers target lower motor neurons of the spinal cord or cranial nerves. D. They are involved in assisting with voluntary movement.arrow_forward
- For the reflex arc in Figure, name the: ______________________ 1. Nerve carrying motor information causing right leg flexion ______________________ 2. Nerve carrying motor information causing left leg extension ______________________ 3. Agonistic muscles for right leg flexion ______________________ 4. Agonistic muscles for left leg extensionarrow_forwardUsing the terms for a homeostatic negative feedback loop or a reflex, describe both the function AND anatomical elements serving that function for each of the following as it applies to the baroreceptor reflex known as: a.) motor pathway b.) receptors c.) sensory pathwaysarrow_forwardAll somatic reflexes share all of the following properties except a. they are quick. b. they are monosynaptic. c. they require stimulation. d. they are involuntary. e. they are stereotyped.arrow_forward
- Name the nerve that carries the sensory and motor axons for this reflex arc.arrow_forwardWhat type of reflex can protect the foot when a painfulstimulus is sensed?a. stretch reflexb. gag reflexc. withdrawal reflexd. corneal reflexarrow_forward2) The correct order of a reflex arc is: a) sensory neuron, sensory receptor, interneuron, motor neuron, effector b) sensory neuron, sensory receptor, interneuron, effector, motor neuron c) sensory receptor, sensory neuron, interneuron, motor neuron, effector d) sensory receptor, sensory neuron, interneuron, effector, motor neuronarrow_forward
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