Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 20RQ
In each of the following situations, identify the components of the reflex.
- a. You are sitting quietly at your desk, studying, when you become aware of the bitterly cold winds blowing outside at 30 mph, and you begin to feel a little chilly. You start to turn up the thermostat, remember last month’s heating bill, and reach for an afghan to pull around you instead. Pretty soon you are toasty warm again.
- b. While you are strolling through the shopping district, the aroma of cinnamon sticky buns reaches you. You inhale appreciatively but remind yourself that you’re not hungry because you had lunch just an hour ago. You go about your business, but 20 minutes later you’re back at the bakery, sticky bun in hand, ravenously devouring its sweetness, saliva moistening your mouth.
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2) The correct order of a reflex arc is:
a) sensory neuron, sensory receptor, interneuron, motor neuron, effector
b) sensory neuron, sensory receptor, interneuron, effector, motor neuron
c) sensory receptor, sensory neuron, interneuron, motor neuron, effector
d) sensory receptor, sensory neuron, interneuron, effector, motor neuron
Describe the Hering-Breuer reflex and its function.
This is the general order of events for a reflex arc.
a) information relayed to the CNS, activation of a sensory receptor, activation of a motor neuron, response by the effector
b) response by the effector, activation of a motor neuron, information relayed to the CNS, activation of a sensory receptor
c) activation of a sensory receptor, information relayed to the CNS, response by the effector, activation of a motor neuron
d) activation of a sensory receptor, information relayed to the CNS, activation of a motor neuron, response by the effector
Chapter 6 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 6.1 - Match the communication method on the left with...Ch. 6.1 - Which signal molecules listed in the previous...Ch. 6.1 - A cat sees a mouse and pounces on it. Do you think...Ch. 6.2 - List four components of signal pathways.Ch. 6.2 - Prob. 5CCCh. 6.2 - What are the four steps of signal transduction?Ch. 6.2 - Prob. 7CCCh. 6.2 - Prob. 8CCCh. 6.2 - Name the four categories of membrane receptors.Ch. 6.2 - Prob. 10CC
Ch. 6.2 - Prob. 11CCCh. 6.2 - Prob. 12CCCh. 6.3 - The extracellular fluid Ca2+ concentration...Ch. 6.3 - Prob. 14CCCh. 6.4 - What do receptors, enzymes, and transporters have...Ch. 6.4 - Prob. 16CCCh. 6.4 - Prob. 17CCCh. 6.5 - What is the difference between tonic control and...Ch. 6.5 - Prob. 19CCCh. 6.5 - What is the difference between local control and...Ch. 6.5 - Name the seven steps in a reflex control pathway...Ch. 6.5 - Prob. 22CCCh. 6.5 - Prob. 23CCCh. 6.5 - Prob. 24CCCh. 6 - What are the two routes for long-distance signal...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - An enzyme known as protein kinase adds the...Ch. 6 - Distinguish between central and peripheral...Ch. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQCh. 6 - Prob. 11RQCh. 6 - Explain the relationships of the terms in each of...Ch. 6 - List and compare the four classes of membrane...Ch. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 16RQCh. 6 - Prob. 17RQCh. 6 - Identify the target tissue or organ for each...Ch. 6 - Now identify the integrating center for examples...Ch. 6 - In each of the following situations, identify the...Ch. 6 - Prob. 21RQCh. 6 - Prob. 22RQ
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- Muscle fatigue has been suggested as one factor that can increase the chances of non-contact sports injuries, such as anterior cruciate ligament (ACL) tears. Notably, some researchers have noted a delay in the reflex response after muscle fatigue. With your understanding of the stretch reflex, which of the following is the most logical contributing factor to the injury? a. the distraction of the game causes inhibitory impulses to be sent down from the somatosensory cortex, so muscles are not operating at full capacity b. the proprioceptors adapt and become less sensitive c. there is an increase in time to muscle contraction after triggering a reflexarrow_forwardConnie accidentally touched the hot kettle. Explain what happens using your knowledge of withdrawal reflex.arrow_forwardIdentify and describe the properties of a reflex.arrow_forward
- Place the following concepts in the correct order to explain how a reflex works: Target organs , Afferent neuron , Sensory receptor , Interneuron , Motor neuronarrow_forwardDistinguish between the following types of reflexes: A) Somatic vs. Visceral (autonomic) reflex B) Monosynaptic vs. Polysynaptic reflex C) Ipsilateral vs. Contralateral vs. Bilateral (consensual) reflex D) Cranial vs. Spinal reflexarrow_forwardAaron accidentaly touched the hot kettle. Explain what happens using your knowledge of withdrawal reflex.arrow_forward
- List the components of a generalized reflex pathway.arrow_forwardWhen describing the reflex arcs and the neural pathways involved we often limit ourselves to the nerves carrying information from the muscle or tendon to the spinal cord and back. However, it should be clear from our ability to feel the tendon tap as well as the results from the Jendrassik’s maneuver test that it isn’t this simple. What other neural connections must be present ?arrow_forwardName the example of conditioned reflex.arrow_forward
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