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 2.2A
Interneurons in a withdrawal reflex are located in the ________.
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Reflexes can be somatic (as in the knee jerk response) or visceral (as in vomiting). Given that both result in an involuntary motor response, why aren’t they both considered visceral motor?
A spinal reflex requires the participation of each of the following except:a. cerebral cortexb. sensory neuronc. interneurond. motor neuron
Fill in the blank:
Interneurons in a withdrawal reflex are located in the _______________________.
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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- Ben was cooking some steaks and burgers on the BBQ when he accidently touched the hot plate and withdrew his hand immediately . Explain the neural pathway and refer to the key components of the withdrawl reflex arc.arrow_forwardComplex reflexes require the involvement of receptors, sensory, motor, excitatory, and inhibitory neurons, and the cerebral cortex True Falsearrow_forwardA functional reflex requires a. only a sensory neuron and a motor neuron. b. a sensory neuron, the thalamus, and a motor neuron. c. the cerebral cortex and a motor neuron. d. only the cerebral cortex and the thalamus.arrow_forward
- The withdrawal reflex is a monosynaptic reflex arc.True ORFalsearrow_forwardAll somatic reflexes share all of the following properties except a. they are quick. b. they are monosynaptic. c. they require stimulation. d. they are involuntary. e. they are stereotyped.arrow_forwardTrue or False: The cerebellum is more likely to be activated during automatic movements like walking, rather than learned movements like your golf swing.arrow_forward
- Sometimes when you stand up too quickly from a lying position, you feel lightheaded. Explain why this happens in terms of autonomic nervous systemarrow_forwardSuppose a person has spinal cord damage at the cervical level. would this stop the knee-jerk reflex? How would it affect the plantar reflex? Explainarrow_forwardFill in the blank: A knee-jerk reflex employs only _______________________ and motor neurons.arrow_forward
- Patients with unresponsive wakefulness syndrome (UWS) will often reflexively respond to visual and auditory stimuli. Where in the brain are the centers for these reflexes located? Explain how this phenomenon relates to the unaffected parts of their brain involved in sensory input.arrow_forwardA defective cerebral aqueduct would result from the impaired development of the________. metencephalon telencephalon diencephalon myelencephalon mesencephalonarrow_forwardList the actions that occur during a withdrawal reflex.arrow_forward
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