What is Life? A Guide to Biology with Physiology
3rd Edition
ISBN: 9781464157745
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 23, Problem 1MC
Summary Introduction
Introduction:
The animal nervous system is the organ system that controls the activities of the organism, and its response to external stimuli.
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Which of the following are functions of the peripheral nervous system?
a. Carrying motor signals to skeletal muscles
O b. Carrying motor signals to organs
O c. Bringing sensory signals towards the central nervous system from skeletal muscles
O d. Two (2) of these are functions of the peripheral nervous system
Oe. All of these are functions of the peripheral nervous system
5) The division of the nervous system responsible for the preparation of the body in case of emergency(i.e. fight or flight) is thea. central nervous sYstem.b. parasympathetic nervous system. c. sympathetic nervous sYstem.d. none of the above.
6) Neurons that carry impulses toward effector organs and muscles are calleda. motor neurons.b. afferent neurons.c. sensory neurons. d. both a and b.
a. It monitors sensory impulses from internal organs.
b. It is composed of brain and spinal cord
c. It is the area where sensory information gets processed.
d. It consist of sympathetic and parasympathetic subdivisions.
e. It is made up sensory and motor divisions.
f. It controls smooth muscles, cardiac muscles and glandular secretions during stressful
situations.
g. It controls voluntary movement of skeletal muscles.
h. It dominates when resting after a meal.
1. CNS
2. PNS
3. Somatic NS
4. Sympathetic
5. Parasympathetic
6. Sensory division
7. Autonomic neural system
8. Visceral sensory receptors
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Chapter 23 Solutions
What is Life? A Guide to Biology with Physiology
Ch. 23 - Prob. 1SACh. 23 - Prob. 2SACh. 23 - Prob. 3SACh. 23 - Prob. 4SACh. 23 - Prob. 5SACh. 23 - Prob. 6SACh. 23 - Prob. 7SACh. 23 - Prob. 8SACh. 23 - Prob. 9SACh. 23 - Prob. 10SA
Ch. 23 - Prob. 11SACh. 23 - Prob. 12SACh. 23 - Prob. 13SACh. 23 - Prob. 14SACh. 23 - Prob. 15SACh. 23 - Prob. 16SACh. 23 - Prob. 17SACh. 23 - Prob. 18SACh. 23 - Prob. 19SACh. 23 - Prob. 20SACh. 23 - Prob. 1MCCh. 23 - Prob. 2MCCh. 23 - Prob. 3MCCh. 23 - Prob. 4MCCh. 23 - Prob. 5MCCh. 23 - Prob. 6MCCh. 23 - Prob. 7MCCh. 23 - Prob. 8MCCh. 23 - Prob. 9MCCh. 23 - Prob. 10MCCh. 23 - Prob. 11MCCh. 23 - Prob. 12MCCh. 23 - Prob. 13MCCh. 23 - Prob. 14MCCh. 23 - Prob. 15MCCh. 23 - Prob. 16MC
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- Compare and contrast the nervous system organization inarthropods and vertebrates. What are their functional similaritiesand differences?arrow_forwardWhich of the following is/are NOT associated with the cnidarian nervous system? A. Nerve net B. Unmyelinated axons C. Ganglia D. None among the other choices E. Neurotransmitters on both sides of synapsesarrow_forwardThe human nervous system is capable of a wide range of functions. What is the basic unit of the nervous system? A. Glial cell B. Meninges C. Neuron D. Cerebrospinal fluidarrow_forward
- The neurons that carry messages to the brain are calleda. motor.b. associative.c. connective.d. sensory.arrow_forwardResponse 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_forwardWhich of the following brain regions is not correctly matched to itsfunction?a. The medulla oblongata regulates heartbeat, breathing, and bloodpressure.b. The cerebellum coordinates voluntary muscle movements.c. The thalamus secretes melatonin, which regulates daily bodyrhythms.d. The midbrain acts as a refl ex center for visual, auditory, andtactile responses.arrow_forward
- Which of the following body functions is NOT controlled by the autonomic nervous system? 26. а. Peristalsis. b. Heartrate. Temperature regulation. None of the above (all of the above are functions controlled by autonomic nervous system). c. d. 27. What is the function of the somatic nervous system? Stimulate smooth muscle. Stimulate glands. Stimulate skeletal muscle. а. b. с. d. Stimulate cardiac muscle.arrow_forwardTaste buds are sensory receptors for taste located on the tongue. When a person eats a spicy food, receptors on the tongue pick up a stimulus. The stimulus initiates the movement of ions across the membrane. If the threshold level is reached, an action potential is generated and a signal is sent to the brain telling the brain that the food is spicy. The reason that some individuals have a higher tolerance to spicy food than others is due to a difference in the a. duration of the refractory period b. number of Na+/K+ ion exchange pumps c. strength of the stimulus d. threshold levelarrow_forwardThe following is incorrect regarding the peripheral nervous system: Select one: a. The autonomic nervous system consists of sympathetic and parasympathetic divisions Ob. The spinal nerves are 31 pairs and originate from the spinal cord c. The cranial nerves are 12 pairs and supply structures in the head and neck d. The sympathetic nervous system stimulates the heart and the digestive system Next page Gen CPit F4 F5 EZarrow_forward
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