Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 16CYR
Which of the following is the correct order of events of a reflex arc?
a. Stimulus detection and delivery → motor response → integration in the CNS
b. Motor response → stimulus detection and delivery → integration in the CNS
c. Stimulus detection and delivery → integration in the CNS → delivery of motor response
d. Integration in the CNS → motor response → stimulus detection and delivery
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Students have asked these similar questions
All of the following are true concerning reflex arcs EXCEPT
A.they involve a few neurons and directly enter and immediately leave the spinal cord
B.they are used to prevent harm
C.they are subconscious and automatic
D.they only use the PNS and not the CNS
Your hand touches the surface of a hot stove. Without thinking, you immediately pull your hand away.
The correct order of the components of the reflex arc that pulls your hand away is:
a.
sensory receptors → sensory neurons → motor neurons → interneurons → effectors
b.
effectors → sensory neurons → brain → motor neurons → sensory receptors
c.
motor neurons → effectors → brain → sensory neurons → interneurons
d.
sensory receptors → sensory neurons → interneurons → motor neurons → effectors
Sensory neurons transmit information towards the central nervous system.
Which of the following is true concerning the movement of peripheral-
information towards the central nervous system?
A. Dendrites of the sensory neurons synapse with interneurons of the
spinal cord.
B. Axons of the sensory neurons synapse with motor neurons of the muscles
involved in the spinal reflex.
C. Axons of the motor neurons synapse with the interneurons of the spinal cord.
D. Axons of the sensory neurons synapse with the interneurons of the spinal
cord.
Chapter 13 Solutions
Human Anatomy & Physiology
Ch. 13.1 - What two subclasses make up the sensory division...Ch. 13.1 - 2. What is a lower motor neuron? How are upper...Ch. 13.1 - In what ways do the somatic and visceral motor...Ch. 13.1 - What structures are found in a peripheral nerve?Ch. 13.1 - Prob. 5QCCh. 13.1 - Prob. 6QCCh. 13.1 - How are sensations detected in the PNS and...Ch. 13.1 - 8. How are motor impulses transmitted from the...Ch. 13.2 - Prob. 1QCCh. 13.2 - List the Roman numeral, origins, destinations, and...
Ch. 13.2 - List the Roman numeral, origins, destinations, and...Ch. 13.2 - List the 12 pairs of cranial nerves in ascending...Ch. 13.2 - Prob. 5QCCh. 13.3 - Prob. 1QCCh. 13.3 - What are the anterior and posterior rami, and what...Ch. 13.3 - Prob. 3QCCh. 13.3 - Prob. 4QCCh. 13.3 - Prob. 5QCCh. 13.3 - Prob. 6QCCh. 13.4 - 1. What is sensory transduction?
Ch. 13.4 - Prob. 2QCCh. 13.4 - 3. What are the three components of a typical...Ch. 13.4 - Prob. 4QCCh. 13.4 - What is the two-point discrimination threshold,...Ch. 13.4 - What is a dermatome?Ch. 13.4 - 7. Why is visceral pain often perceived as...Ch. 13.5 - 1. What are the main differences between an upper...Ch. 13.5 - 2. What is a motor neuron pool?
Ch. 13.5 - What is the general sequence of events for...Ch. 13.6 - Prob. 1QCCh. 13.6 - 2. How do intrafusal and extrafusal muscle fibers...Ch. 13.6 - Prob. 3QCCh. 13.6 - 4. How do Golgi tendon organs and muscle spindles...Ch. 13.6 - How do polysynaptic and monosynaptic reflex arcs...Ch. 13.6 - Prob. 6QCCh. 13.6 - What are some potential effects of sensory...Ch. 13.6 - How do upper and lower motor neuron disorders...Ch. 13 - Mark the following statements as true or false. If...Ch. 13 - Prob. 2CYRCh. 13 - 3. Define each of the following terms in your own...Ch. 13 - First, write the Roman numeral that corresponds to...Ch. 13 - Prob. 5CYRCh. 13 - Match the following nerves with the structures...Ch. 13 - First-order somatic sensory neurons are...Ch. 13 - Prob. 8CYRCh. 13 - Prob. 9CYRCh. 13 - 10. Merkel cell fibers, tactile corpuscles,...Ch. 13 - 11. Place the following sequence of events for the...Ch. 13 - How do upper and lower motor neurons differ?Ch. 13 - 13. List and describe the basic steps involved in...Ch. 13 - 14. The lower motor neurons that innervate...Ch. 13 - Fill in the blanks:______ detect the degree to...Ch. 13 - Which of the following is the correct order of...Ch. 13 - 17. Mark the following statements as true or...Ch. 13 - Prob. 18CYRCh. 13 - Prob. 1CYUCh. 13 - Prob. 2CYUCh. 13 - Prob. 3CYUCh. 13 - Prob. 1AYKACh. 13 - Jason presents for evaluation after a severe...Ch. 13 - 3. When Mr. Williams goes to the emergency...Ch. 13 - 4. Maria is a 3-year-old who has been diagnosed...Ch. 13 - Another feature of CIPA is anhidrosis, or the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Response to a stimulus within the central nervous system differs from that of a reflex arc because a. Depolarization deos not occur along the reflex arc b. No acetylcholine is released in the central nervous system c. There is no interpretation of the information within the reflex arc d. Nerve impulses travel in the central nervous system at a greater speedarrow_forwardHyporeflexia occurs when normal reflexes are weak but not absent. Damage to which of the following would result in hyporeflexia? Hyporeflexia occurs when normal reflexes are weak but not absent. Damage to which of the following would result in hyporeflexia? A.Motor neuron B. Sensory neuron C.Skeletal muscle D. Any of the choices would result in hyporeflexia. Which option to select..arrow_forwardMark the following statements on the role of the brain in movement as true or false. If a statement is false, correct it to make a true statement. a. The dopaminergic neurons of the substantia nigra enhance the actions of the caudate nucleus and putamen. b. The cerebellum monitors the initiation of movement but does not monitor ongoing movements. c. The basal nuclei inhibit inappropriate movements and are required for the initiation of movement. d. The correction of motor error by the cerebellum can occur over the long term by motor learningarrow_forward
- In a single reflex arc involved in the knee-jerk reflex, how many synapses are activated within the spinal cord? a.Thousands b.Hundreds c.Dozens d.Two e.Onearrow_forwardThe reflex arc is the fastest way the body has to move a body part from danger or away from the source of pain. Have you ever noticed your own reflex response? Did you notice that you felt the pain after you yanked your hand away from the source of pain? Which is the sequence of structures involved in a reflex response? a. motor neurons → effectors → brain → sensory neurons → interneurons b. effectors → sensory neurons → brain → motor neurons c. sensory neurons → interneurons → motor neurons → effectors d. sensory neurons → motor neurons → interneurons → effectorsarrow_forwardA reflex arc happens rapidly because the following neuron is skipped during the communication. a. sensory b. interneuron C. effector O d. motorarrow_forward
- Which brain region involved in action control is incorrectly paired with its function? a. Prefrontal Cortex (PFC) - Plans and coordinates internal thoughts and external actions b. Cerebellum - Motor learning, monitor action online, coordinates the timing and trajectory of movement c. Frontal Eye Fields (FEF) - Execution of voluntary eye movements d. Supplementary Motor Area (SMA) - Responds to observed and self-enacted actionarrow_forwardAll of the following are true regarding the descending motor tracts EXCEPT which one? A. They originate in either the cerebral cortex or brainstem. B. The pathways are generally made of a two-neuron system. C. The upper motor neuron fibers target lower motor neurons of the spinal cord or cranial nerves. D. They are involved in assisting with voluntary movement.arrow_forwardWhich of the following is true of a reflex arc? A. It may be comprisef of only an afferent and efferent neuron B. It may involve the brain and the spinal cord C. It may involve an interneuron D. All of the abovearrow_forward
- Which experimental technique would be most helpful in mapping the function of the cells in the primary motor cortex? Select one: a. electrical stimulation b. cortical lesions c. Golgi stain d. intracellular recording e. immunohstochemistry/immunocytochemistryarrow_forwardWhat neural system is primarily activated when a book is dropped into your outstretched hands with your eyes open? a. Feedback processing controlled by lower motor neurons in the spinal cord. b. None of the answers. c. Modulation of onset responses controlled by the basal ganglia. d. Motor coordination controlled by the cerebellum. e. Feedforward processing controlled by upper motor neurons in the brainstem.arrow_forwardWhat evidence led Sherrington to conclude that transmission at a synapse is different from transmission along an axon? a. Chemicals that alter a synapse are different from those that affect action potentials. b. The velocity of a reflex is slower than the velocity of an action potential. c. Stains and microscopic observations demonstrate a gap at the synapse. d. Reflexes can go in either direction, whereas axons transmit in only one direction.arrow_forward
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