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HCS 212 TEST BANK 17 EXAM PRACTICE QUESTIONS AND ANSWERS
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HCS 212 TEST BANK 17 EXAM PRACTICE QUESTIONS AND ANSWERS The activities of the nervous system, comprised of conscious thoughts, plans, and actions, A) include the majority of nervous activity. B) represent only a small portion of the activities of the nervous system. C) regulate all vital phy...

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  • October 23, 2024
  • 36
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • hcs 212 test bank 17 exam practice questions and a

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  • HCS 212

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©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




HCS 212 TEST BANK 17 EXAM
PRACTICE QUESTIONS AND
ANSWERS

The activities of the nervous system, comprised of conscious thoughts, plans, and actions,


A) include the majority of nervous activity.


B) represent only a small portion of the activities of the nervous system.


C) regulate all vital physiological functions.


D) may require instructions or modifications from the ANS to function correctly.


E) are all that are necessary to sustain life. - Ans:✔✔-b


In the ANS


A) preganglionic fibers innervate the peripheral organs.


B) preganglionic fibers are unmyelinated.


C) there is always a synapse between the CNS motor neuron and the peripheral effector.

Page 1/36

, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




D) motor neuron pathways synapse in the same patterns as in the somatic nervous system.


E) None of the answers are correct. - Ans:✔✔-c


The autonomic division of the nervous system directs


A) voluntary activity.


B) conscious control of skeletal muscles.


C) behavior.


D) emotions.


E) processes that maintain homeostasis. - Ans:✔✔-e


In the autonomic nervous system


A) the lower motor neuron directly controls the effector organ.


B) there is always a synapse located between the CNS and the effector organ.


C) motor neurons do not synapse but are connected by communicating junctions.


D) some motor neurons release both ACh and NE.


E) None of the answers are correct. - Ans:✔✔-b




Page 2/36

, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




The major divisions of the autonomic nervous system (ANS) include


A) the conscious and unconscious nervous systems.


B) the sympathetic and parasympathetic divisions.


C) pre- and postganglionic fibers.


D) the voluntary and involuntary divisions.


E) None of the answers are correct. - Ans:✔✔-b


Norepinephrine released from the sympathetic fibers is usually


A) inhibitory.


B) reverberating.


C) excitatory.


D) long lasting.


E) None of the answers are correct. - Ans:✔✔-c


The most widely used neurotransmitter in the ANS is


A) NE.




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, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




B) epinephrine.


C) ACh.


D) GABA.


E) All of the answers are correct. - Ans:✔✔-c


Tissue responses to neurotransmitters


A) are always excitatory.


B) result from opening ion channels.


C) are always inhibitory.


D) vary depending upon the response of the membrane receptor to the presence of the

neurotransmitter.


E) result from the formation of second messengers. - Ans:✔✔-d


Which of the following applies to postganglionic neurons of the ANS sympathetic division?


A) Their cell bodies are located between spinal segments T1 and L2.


B) Their cell bodies are situated in the lateral gray horns of the spinal cord.


C) Their axons synapse with the peripheral effector organs.

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