PRINCIPLES OF ANATOMY+PHYSIOLOGY
16th Edition
ISBN: 9781119821823
Author: Tortora
Publisher: WILEY C
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Chapter 15, Problem 15CP
Summary Introduction
To review:
The three examples of controlled conditions in the body, which keeps autonomic reflexes in homeostatic balance.
Introduction:
The autonomic reflexes are the responses, which occur when a nerve impulse passes through a visceral or autonomic reflex arc. The autonomic or visceral reflexes are vital in regulating the controlled conditions of the body.
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Use logic to determine whether each of the following reflexes is a somatic reflex or an autonomic (visceral) reflex. Hint: think about what the effector is — is it a skeletal muscle, or is it a smooth / cardiac muscle or gland?
-Patellar (knee-jerk) reflex
-Pupillary light reflex (autonomic/somatic)
-Effectors are skeletal muscles (autonomic/somatic)
-Effectors are smooth muscles or glands (autonomic/somatic)
-Regulation of blood pressure (autonomic/somatic)
-Salivary reflex (autonomic/somatic)
What is the basic difference between a local homeostatic response and a reflex?
The Baroreceptor reflex illustrates very well the principles and elements of a negative feedback loop.1) What is the typical circumstance in which the baroreceptor reflex is stimulated? What is the stimulus for the reflex and the response?2a) Using the terms for a homeostatic negative feedback loop or a reflex, describe both the function AND anatomical elements serving that function for each of the following as it applies to the baroreceptor reflex known as: an effector.
2b) applied to the baroreceptor reflex known as: the integration center?
Chapter 15 Solutions
PRINCIPLES OF ANATOMY+PHYSIOLOGY
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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
- ( Q.1 ) Peripheral Nervous System - Question is in the photo provided below.arrow_forwardA) Explain what dual innervation means with regard to the autonomic nervous system. B) Using the cardiovascular, respiratory and digestive systems as examples, explain how dual innervation regulates the function of each system.arrow_forwardDiagram such a reflex arc and label the five major components.arrow_forward
- List the structures and steps involved in a reflex arcarrow_forwardExplain why reaction times are slower than involuntary reflexes you expect your reaction times to be the same if you tested them later today? Why or why not? Would they differ if you tested them tomorrow morning? List several factors that would contribute to variations in reaction times, both in the same person and among different people.arrow_forwardName one reflex of the body and briefly discuss it and give one example.arrow_forward
- Describe how the Jendrassik maneuver and other segments are anticipated to interact with the reflex response. Specifically include how the nervous system is changing.arrow_forwardrank the components of a reflex arc in the correct orderarrow_forwardPlace the following concepts in the correct order to explain how a reflex works: Target organs , Afferent neuron , Sensory receptor , Interneuron , Motor neuronarrow_forward
- Descartes' version of the reflex arc was important for understanding the brain's role in sensation, perception and reactivity. Which feature of Descartes' reflex arc is comparable to neurotransmission through motor, inter, and sensory neurons in the present day reflex circuit? A) body activity B) External stimulus C) Valvules Opening D) Nerve stimulationarrow_forwardCompare the number of motor neurons in a somatic and autonomic reflex arc.arrow_forwardConsider that you are at the starting line of the 100-meter Olympic race. The biggest race of your life is about to start when the gun will go off. What is currently happening with the autonomic nervous system? What reaction are your organs giving? Cite referencearrow_forward
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