Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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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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During the monitoring of the patient in the light stage of anesthesia, the __________________ reflex remains present.
a.Patellar
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c.Pinnal
d.Pharynx
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The P wave corresponds to depolarization of the muscle fibers of the _______________________.
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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____________________________________________________________________________
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
Chapter 29 Solutions
Laboratory Manual For Human Anatomy & Physiology
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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- Fill in the blank: Effectors of a reflex arc are glands and _______________________.arrow_forwardAnswer the following questions A. Which of the following brain regions is a major convergence area for most sensory input before it is sent on to the cerebral cortex. a. hypothalamus b. cerebellum c. brainstem d. thalamusarrow_forwardFill in the blank: ______________________ muscles in the limbs are the effectors of a withdrawal reflex.arrow_forward
- A _____________ reflex is monosynaptic and responds to stretching in a muscle spindle. a. withdrawal c. Golgi tendon b. crossed-extensor d. stretcharrow_forwardMotor neurons are crucial for movement, what would happen if the motor neurons would be destroyed. a. How would this affect our reflexes b. Research illnesses that affect Motor Neuronsarrow_forwardThe tongue tip that protrudes in the midline indicates A. Contraction of both right and left genioglossus muscles B. That both hypoglossal nerves are normal C. That the vagus nerves are normal D. A, B E. B, Carrow_forward
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