Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214114
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Question
Chapter 24, Problem 10LTB
Summary Introduction
To determine:
If the given statement is true or false.
Introduction:
Reflexes are automatic responses to a stimulus. They are prewired in a circuit of neurons known as a reflex arc, often consisting of a sensory neuron receiving information from a sensory receptor, an interneuron passing on the information, and a motor neuron sending a message to the muscle that needs to respond.
A reflex arc can consist of a sensory receptor, a sensory neuron, an interneuron, a motor neuron, and an effector. Touching a hot baking sheet evokes the withdrawal reflex.
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Reflex theory can be defined as: a chain of action thought to be triggered by some external stimulus that resulted in an observable movement response.
True
False
True or false : A plexopathy is suspected if the symptoms are localised to a single nerve. Patients may complain of neuropathic pains, numbness or weakness and wasting of muscles?
True/False: In a polysynaptic reflex, a sensory neuron synapses directly with a motor neuron.
Chapter 24 Solutions
Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
Ch. 24 - Prob. 1LTBCh. 24 - How do sensory, motor, and interneurons differ?Ch. 24 - What are the general senses?Ch. 24 - Which brain structure controls language, memory,...Ch. 24 - Prob. 5LTBCh. 24 - Prob. 6LTBCh. 24 - Prob. 7LTBCh. 24 - Neurotransmitters. ___________. are electrical...Ch. 24 - The effects of a neurotransmitter could be...Ch. 24 - Prob. 10LTB
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- An ipsilateral reflex arc is one in whicharrow_forwardReflex output is initiated by an input stimulus and result in an output response. Reflex activity ranges from simple to complex. In a table format, list the different types of reflex and how to assess these functions.arrow_forwardTrue/False: The autonomic nervous system is “involuntary” therefore the cerebral cortex has no control over this branch of the nervous system.arrow_forward
- When a person is cognitively aroused, neurons are desynchronized in their firing as they carry out separate tasks. True Falsearrow_forwardList the five steps in a reflex arcarrow_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
- True or False: Nerves are classified as cranial or spinal depending on whether they arise from the brain or the spinal cord.arrow_forwardThere are reflex arcs that employ a gamma motor neuron wrapped around a muscle spindle and involve no interneurons. Which is NOT an appropriate example of these reflex arcs among the following? patellar reflex achilles reflex inverted supinator reflex C5 reflex arcsarrow_forwardTrue or False The peripheral nervous system is made up of the brain and spinal cord.arrow_forward
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