LABORATORY MANUAL FOR HUMAN ANATOMY & PH
4th Edition
ISBN: 9781260254426
Author: Martin
Publisher: MCG
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Textbook Question
Chapter 29, Problem 6PL
The quadriceps femoris is the effector muscle of the patellar reflex.
a. True ________
b. False ______
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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? _______________________
Spinal nerves from different segments combine to form nerve plexuses. Nerves from which two plexuses combine to form the radial nerve?
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A. lumbar and sacral plexuses
B. brachial and sacral plexuses
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D. cervical and sacral plexuses
____________________________________________________________________________
The resting membrane potential of a nerve cell is -70 mV. If threshold is -60 mV and a medication causes a patient's resting membrane potential to change to -75 mV, what is the likely outcome?
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A. normal generation of action potentials
B. it will be easier to generate an action potential
C. it will be more difficult to generate an action potential
D. facilitation will occur at the cell membrane
Axons from the vestibular nerve project to each of the cranial nuclei that control the extrinsic eye muscles.
A. True
B. False
Chapter 29 Solutions
LABORATORY MANUAL FOR HUMAN ANATOMY & PH
Ch. 29 - The impulse over a motor neuron will lead to a. an...Ch. 29 - Stretch reflex receptors are called a. effectors....Ch. 29 - Stretch reflexes include ail of the following...Ch. 29 - Prob. 4PLCh. 29 - Prob. 5PLCh. 29 - The quadriceps femoris is the effector muscle of...Ch. 29 - The posterior roots of spinal nerves contain the...Ch. 29 - The normal patellar reflex response involves...Ch. 29 - A withdrawal reflex employs...Ch. 29 - Interneurons in a withdrawal reflex are located in...
Ch. 29 - A reflex arc begins with the stimulation of a...Ch. 29 - Effectors of somatic reflex arcs are...Ch. 29 - Prob. 2.5ACh. 29 - The effector muscle of the patellar reflex is the...Ch. 29 - The sensory stretch receptors (muscle spindles) of...Ch. 29 - The posterior root of a spinal nerve contains the...Ch. 29 - The normal plantar reflex results in...Ch. 29 - Stroking the sole of the foot in infants results...Ch. 29 - In a stretch reflex arc, when the agonist muscle...Ch. 29 - Synapses, whether excitatory or inhibitory, occur...Ch. 29 - Prob. 2.13ACh. 29 - Prob. 2.14A
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