Fundamentals of Anatomy & Physiology (10th Edition)
10th Edition
ISBN: 9780321909077
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Chapter 13, Problem 12RQ
Summary Introduction
Introduction:
The elongation of a tendon and the muscle attached to patellar tendon is known as stretch reflexes. When sharp tap is applied on the patellar tendon, then this type response in known as the patellar reflex.
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a) Describe the processes involved in the knee-jerk reflex and explainwhy it is called a ‘monosynaptic’ reflex.b) While crawling across the floor a child accidentally places her righthand onto a piece of broken glass. How will the flexor muscles of herleft arm respond? What happens to the rest of her body?
What would happen without input from gamma motor neurons?
A) Information about velocity would continue, but information about length would no longer be possible.
B) The spindles would be unable to provide feedback as the muscle contracted.
C) Neither the intrafusal nor extrafusal fibers would contract.
D) The extrafusal fibers would not contract, but the intrafusal fibers would continue to contract.
a) Describe how the isolated muscle behaved as the stimulus interval was further decreased.
b) What is tetanus? Explain the mechanism behind this phenomenon.
c) At which stimulus interval did you observe tetanus? What frequency of stimulation does that correspond to?
Chapter 13 Solutions
Fundamentals of Anatomy & Physiology (10th Edition)
Ch. 13 - Name the structures of the central nervous system...Ch. 13 - Define spinal reflex.Ch. 13 - Identify the three spinal meninges.Ch. 13 - Prob. 4CPCh. 13 - Prob. 5CPCh. 13 - Differentiate between sensory nuclei and motor...Ch. 13 - Prob. 7CPCh. 13 - Prob. 8CPCh. 13 - Prob. 9CPCh. 13 - Prob. 10CP
Ch. 13 - Injury to which of the nerve plexuses would...Ch. 13 - Compression of which nerve produces the sensation...Ch. 13 - Prob. 13CPCh. 13 - Prob. 14CPCh. 13 - Prob. 15CPCh. 13 - Prob. 16CPCh. 13 - Prob. 17CPCh. 13 - Prob. 18CPCh. 13 - Prob. 19CPCh. 13 - Prob. 20CPCh. 13 - Prob. 21CPCh. 13 - Prob. 22CPCh. 13 - Prob. 23CPCh. 13 - LEVEL 1 Reviewing Facts and Terms 1. Label the...Ch. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQCh. 13 - The reflexes that control the most rapid,...Ch. 13 - Prob. 12RQCh. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Proceeding deep from the most superficial...Ch. 13 - Prob. 16RQCh. 13 - Prob. 17RQCh. 13 - Polysynaptic reflexes can produce far more...Ch. 13 - Prob. 19RQCh. 13 - Prob. 20RQCh. 13 - Prob. 21RQCh. 13 - Prob. 22RQCh. 13 - Prob. 23RQCh. 13 - Prob. 24RQCh. 13 - Prob. 25RQCh. 13 - Prob. 26RQCh. 13 - Prob. 27RQCh. 13 - Prob. 28RQCh. 13 - The improper use of crutches can produce a...Ch. 13 - Prob. 30RQCh. 13 - Karen falls down a flight of stairs and suffers...Ch. 13 - Will Joe regain motor or sensory activity in his...Ch. 13 - Prob. 2CC
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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 of the following best describes the response of the circular muscle layer to distention of the jejunum to a volume slightly less than that which causes pain? A) Contraction above and below the point of distention B) Contraction above and relaxation below the point of distention C) Contraction above and no response below the point of distention D) Relaxation above and below the point of distention E) Relaxation above and contraction below the point of distentionarrow_forwardWhat is the role of the stretch reflex? The flexor reflex?arrow_forwarda) Describe how the isolated muscle behaved as the interpulse interval was decreased progressively. b) Examine the table. Can you describe what happens to the frequency of stimulation when you decrease the interval between the pulses?arrow_forward
- 9) In the Golgi tendon reflex we see ______________ of the muscle and in the stretch reflex we see ______________: a) Contraction: relaxation b) contraction: no reaction c) swelling: contraction d) relaxation:swelling e) relaxation: contractionarrow_forwardWhy is an interneuron needed to provide reciprocal inhibition of the flexor muscle when an extensor muscle is activated?arrow_forwardAreas of the body where no slow fibers would be found include the, (a) back and calf muscles. (b) eye and hand. (c) chest and abdomen. (d) a, b, and c are correct.arrow_forward
- Identify the Golgi tendon reflex (which is an innate reflex) as (a) spinal or cranial, (b) somatic or visceral, (c) monosynaptic or polysynaptic, and (d) ipsilateral or contralateral.arrow_forward(i) Why does Neostigmine cause an increase in the twitch tension when the nerve is stimulated and not when the muscle is stimulated? (ii) When could Neostigmine be used to treat Myasthenia Gravis?arrow_forwardAll the motor neurons that control skeletal muscles are, (a) multipolar neurons. (b) myelinated bipolar neurons. (c) unipolar, unmyelinated sensory neurons. (d) proprioceptors.arrow_forward
- Why does repeated stimulation of the muscle (at maximum stimulus) before it has completely recovered from the previous contraction lead to increasing force of contractions?arrow_forwardDescribe what is the Stretch Reflex?arrow_forwardWhen a cardica muscle is isolated and placed in a solution of sodium chloride, potassium chloride, and sodium bicarbonate, will muscle contraction occur if:a. muscle is stimulated directly by depolarizing the membrane? (provide a short explanation)b. muscle is stimulated by stimulating the nerve to the muscle? (provide a short explanation)arrow_forward
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