LAB MANUAL FOR HUMAN A&P MAIN VERSION
4th Edition
ISBN: 9781266871016
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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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
Fill in the blank:
The P wave corresponds to depolarization of the muscle fibers of the _______________________.
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
LAB MANUAL FOR HUMAN A&P MAIN VERSION
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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- Spinal nerves from different segments combine to form nerve plexuses. Nerves from which two plexuses combine to form the radial nerve? Group of answer choices A. lumbar and sacral plexuses B. brachial and sacral plexuses C. cervical and brachial plexuses 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? Group of answer choices 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 membranearrow_forwardSeizures arise due to abnormal asynchronous electrical discharges from millions of neurons in the brain. A. True B. Falsearrow_forwardThe _____________ nerve innervates the anterior thigh muscles and the skin on the anterior thigh. a. femoral c. sciatic b. obturator d. tibialarrow_forward
- Answer 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: Effectors of a reflex arc are glands and _______________________.arrow_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_forwardPredict the symptoms (both sensory and motor) you might experience if you suffered an injury to each of the following nerves:- a. Median nerve b. Common fibular nerve c. Femoral nerve d. Sciatic nerve e. Ulnar nervearrow_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_forward
- The 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_forwardName the nerve that is tested in each of the following reflexes. 1. Achilles reflex ______________________ 2. Biceps reflex ______________________ 3. Patellar reflex ______________________ 4. Plantar flexion reflex ______________________ 5. Triceps reflex ______________________ 6. Is a Babinski’s sign normal in adults? ______________________arrow_forward____________ is a neuromodulator that blocks the conduction of pain signals by second-order spinal neurons.a. Endorphinb. Enkephalinc. Substance Pd. Acetylcholinee. Norepinephrinearrow_forward
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