ATI Pharmacology Exam 2 | Nurselytic

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ATI Pharmacology Exam 2 Questions

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Question 1 of 5

The central nervous system (CNS) cells, where the impulses for the sympathetic nervous system (SNS) originate, are located where?

Correct Answer: C

Rationale: The correct answer is C: Thoracic and lumbar section of the spinal cord. The impulses for the sympathetic nervous system (SNS) originate in the thoracic and lumbar regions of the spinal cord, specifically from the intermediolateral cell column. These regions contain preganglionic neurons that project to the sympathetic ganglia, where they synapse with postganglionic neurons to transmit signals to target organs.

Choices A and B are incorrect because the hypothalamus and medulla are involved in coordinating autonomic functions, while the cranium and sacral area are related to the parasympathetic nervous system.
Choice D is incorrect as the nerve membrane is not the specific location where SNS impulses originate.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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