Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 39, Problem 4FIB
Summary Introduction
Introduction:
The nervous system has complex functions and is the main controlling system for the coordination of several other function of the body. The nervous system is divided into the central nervous system and the peripheral nervous system.
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The autonomous nervous system regulates involuntary functions of the body and can be subdivided into
the sympathetic and the parasympathetic nervous system. Both of these systems control the same group
of body functions, but have opposite effects on the functions they regulate. The sympathetic nervous
system prepares the body for intense physical activity like the fight-or-flight response. The
parasympathetic nervous system has the opposite effect and relaxes the body and inhibits or slows many
high energy functions. Which of the following involuntary effects in the body are brought about by the
sympathetic nervous system during a fight-or- flight situation?
i.
Increased salivation
ii.
Increased digestion
ii.
Loss of bowel and bladder control
iv.
Body shivering
Сrying
Pupil dilation
B. i, iv and v
V.
vi.
A. i, ii and vi
C. iii, iv and vi
D. iii and v
We regularly make conscious decisions to make specific muscular movements. For example,
when using the touch interface of your phone, you make a conscious effort to scroll up and down
the screen using your finger.
In contrast, there are many muscular movements that cannot be controlled voluntarily. For
example, you cannot make your heart stop by thinking about it.
Which of the following statements correctly identifies the parts of the nervous system that are
involved in voluntary and involuntary actions, respectively?
Select one:
a. Motor neurons of the somatic nervous system and motor neurons of the autonomic nervous
system
b. Motor neurons of the autonomic nervous system and sensory neurons of the somatic
nervous system
c. Sensory neurons of the somatic nervous system and sensory neurons of the autonomic
nervous system
d. Sensory neurons of the peripheral nervous system and motor neurons of the autonomic
nervous system
What is a nerve impulse? State the direction followed by a nerve impulse while travelling in the body of an organism.
Chapter 39 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 39.1 - describe the structure of a typical neuron?Ch. 39.1 - Prob. 2CYLCh. 39.2 - Prob. 1TCCh. 39.2 - Prob. 1CYLCh. 39.2 - explain how an action potential in a presynaptic...Ch. 39.2 - Prob. 3CYLCh. 39.2 - Prob. 1CSCCh. 39.3 - Prob. 1TCCh. 39.3 - Prob. 1CYLCh. 39.3 - Prob. 2CYL
Ch. 39.3 - explain how the brain determines which muscles to...Ch. 39.4 - describe the anatomy of diffuse and centralized...Ch. 39.5 - John comes to the emergency room with neither...Ch. 39.5 - Prob. 1CSCCh. 39.5 - Prob. 2ETCh. 39.5 - At least two commercial companies, No Lie MRI and...Ch. 39.5 - Prob. 1HYEWCh. 39.5 - distinguish between the central and peripheral...Ch. 39.5 - Prob. 2CYLCh. 39.5 - label diagrams of the human brain and spinal cord,...Ch. 39.5 - Prob. 4CYLCh. 39.5 - Prob. 5CYLCh. 39.5 - Prob. 2CTCh. 39.5 - Prob. 1CSRCh. 39 - Prob. 1MCCh. 39 - Neurotransmitters are typically released by a a....Ch. 39 - Automatic bodily functions such as breathing and...Ch. 39 - Prob. 4MCCh. 39 - Prob. 5MCCh. 39 - Prob. 1FIBCh. 39 - Prob. 2FIBCh. 39 - Prob. 3FIBCh. 39 - Prob. 4FIBCh. 39 - Prob. 5FIBCh. 39 - Prob. 6FIBCh. 39 - Prob. 1RQCh. 39 - Prob. 2RQCh. 39 - What are the four elements of a neuronal pathway,...Ch. 39 - Prob. 4RQCh. 39 - Prob. 5RQCh. 39 - Prob. 6RQCh. 39 - Explain the differences between short-term memory...Ch. 39 - Prob. 1ACCh. 39 - Prob. 2AC
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