NURS368 Pharmacology - Chapter 4:
Central Nervous System 2025/2026
Exam Questions with 100% Correct
Answers | Latest Update
What are the roles of the nervous system? - 🧠 ANSWER ✔✔- Controlling the
functions of the human body
- Analyzing incoming stimuli
- Integrating internal and external responses
The central nervous system is composed of: - 🧠 ANSWER ✔✔The brain and spinal
cord
The peripheral nervous system is composed of: - 🧠 ANSWER ✔✔- Sensory nerves
that bring information into the CNS
- Motor nerves that carry information away from the CNS
,What does the autonomic nervous system do? - 🧠 ANSWER ✔✔The ANS uses
components of the CNS and PNS to regulate automatic or unconscious responses
to stimuli
What are the main functions of the cells that make up the nervous system? - 🧠
ANSWER ✔✔- Allow movement
- Allow realization of various sensations
- Provide response to internal and external stimuli
- Stimulate learning, thinking, and emotions
The structures in the central nervous system are covered by _______________. - 🧠
ANSWER ✔✔Meninges
What is the blood-brain barrier? - 🧠 ANSWER ✔✔Protects the brain from
exposure to toxins.
Only medications that are ____________ ___________ are able to cross the blood
brain barrier. - 🧠 ANSWER ✔✔Lipid soluble
Knowing what you know about the blood-brain barrier and where it is located,
what must a medication be in able to work on the central nervous system? - 🧠
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
, ANSWER ✔✔In order for a medication to work on the central nervous system, it
must be lipid-soluble.
True or false: lipid-soluble drugs can cross the placenta. - 🧠 ANSWER ✔✔True
The forebrain is responsible for what? - 🧠 ANSWER ✔✔Personality, speech,
inhibitions
The hindbrain runs from the top of the _______ ______ into the ___________. - 🧠
ANSWER ✔✔Spinal cord; midbrain
What is the most primitive part of the brain that also contains the brainstem? - 🧠
ANSWER ✔✔The hindbrain
The hindbrain is responsible for controlling what? - 🧠 ANSWER ✔✔Basic vital
functions such as breathing, blood pressure, swallowing, and the RAS (reticular
activating system)
What is the RAS and where is it located? - 🧠 ANSWER ✔✔The RAS is the
reticular activating system is a bundle of nerves at our brainstem that filters out
unnecessary information so the important stuff gets through. The RAS is the reason
you learn a new word and then start hearing it everywhere.
COPYRIGHT©BLAIRALISTERNEWTON 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
Central Nervous System 2025/2026
Exam Questions with 100% Correct
Answers | Latest Update
What are the roles of the nervous system? - 🧠 ANSWER ✔✔- Controlling the
functions of the human body
- Analyzing incoming stimuli
- Integrating internal and external responses
The central nervous system is composed of: - 🧠 ANSWER ✔✔The brain and spinal
cord
The peripheral nervous system is composed of: - 🧠 ANSWER ✔✔- Sensory nerves
that bring information into the CNS
- Motor nerves that carry information away from the CNS
,What does the autonomic nervous system do? - 🧠 ANSWER ✔✔The ANS uses
components of the CNS and PNS to regulate automatic or unconscious responses
to stimuli
What are the main functions of the cells that make up the nervous system? - 🧠
ANSWER ✔✔- Allow movement
- Allow realization of various sensations
- Provide response to internal and external stimuli
- Stimulate learning, thinking, and emotions
The structures in the central nervous system are covered by _______________. - 🧠
ANSWER ✔✔Meninges
What is the blood-brain barrier? - 🧠 ANSWER ✔✔Protects the brain from
exposure to toxins.
Only medications that are ____________ ___________ are able to cross the blood
brain barrier. - 🧠 ANSWER ✔✔Lipid soluble
Knowing what you know about the blood-brain barrier and where it is located,
what must a medication be in able to work on the central nervous system? - 🧠
COPYRIGHT©BLAIRALISTERNEWTON 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, ANSWER ✔✔In order for a medication to work on the central nervous system, it
must be lipid-soluble.
True or false: lipid-soluble drugs can cross the placenta. - 🧠 ANSWER ✔✔True
The forebrain is responsible for what? - 🧠 ANSWER ✔✔Personality, speech,
inhibitions
The hindbrain runs from the top of the _______ ______ into the ___________. - 🧠
ANSWER ✔✔Spinal cord; midbrain
What is the most primitive part of the brain that also contains the brainstem? - 🧠
ANSWER ✔✔The hindbrain
The hindbrain is responsible for controlling what? - 🧠 ANSWER ✔✔Basic vital
functions such as breathing, blood pressure, swallowing, and the RAS (reticular
activating system)
What is the RAS and where is it located? - 🧠 ANSWER ✔✔The RAS is the
reticular activating system is a bundle of nerves at our brainstem that filters out
unnecessary information so the important stuff gets through. The RAS is the reason
you learn a new word and then start hearing it everywhere.
COPYRIGHT©BLAIRALISTERNEWTON 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
3
PRIVACY STATEMENT. ALL RIGHTS RESERVED
