Describe what would happen to the myotatic (stretch) reflex in each of the following conditions (get larger, smaller, stay the same, or disappear). Be sure to explain your answers and describe what part of the reflex has been affected by the treatment. a. A complete transection of the spinal cord at the C5 level (look at the dermatome picture in the slides) b. Destruction of the cells in the dorsal root ganglion c. Synaptic depression at the Ia/motor neuron synapse d. Partial destruction of the ventral root
Describe what would happen to the myotatic (stretch) reflex in each of the following conditions (get larger, smaller, stay the same, or disappear). Be sure to explain your answers and describe what part of the reflex has been affected by the treatment. a. A complete transection of the spinal cord at the C5 level (look at the dermatome picture in the slides) b. Destruction of the cells in the dorsal root ganglion c. Synaptic depression at the Ia/motor neuron synapse d. Partial destruction of the ventral root
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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5) Describe what would happen to the myotatic (stretch) reflex in each of the following conditions (get larger,
smaller, stay the same, or disappear). Be sure to explain your answers and describe what part of the reflex has
been affected by the treatment.
a. A complete transection of the spinal cord at the C5 level (look at the dermatome picture in the slides)
b. Destruction of the cells in the dorsal root ganglion
c. Synaptic depression at the Ia/motor neuron synapse
d. Partial destruction of the ventral root
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