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BIOS 255 - EXAM 3 LATEST 2026/2027 | NERVOUS
SYSTEM | 40 VERIFIED Q&A | DETAILED RATIONALES |
NGN-ALIGNED | PASS GUARANTEED – A+ GRADED
SECTION 1: NERVOUS SYSTEM OVERVIEW - Questions 1-15
Q1: Nervous System Divisions - Central
The nursing student is reviewing the nervous system. Which of the following is part of the central
nervous system?
A. Brain and spinal cord
B. Peripheral nerves
C. Cranial nerves
D. Spinal nerves
Correct Answer: A
Rationale: The central nervous system consists of the brain and spinal cord. Options B, C, and D are
part of the peripheral nervous system. [100% CORRECT]
Q2: Nervous System Divisions - Peripheral
The nursing student is reviewing the nervous system. Which of the following is part of the peripheral
nervous system?
A. Brain
B. Spinal cord
C. Cranial and spinal nerves
D. Cerebellum
Correct Answer: C
Rationale: The peripheral nervous system consists of cranial and spinal nerves. Options A, B, and D
are part of the central nervous system. [100% CORRECT]
Q3: Nervous System Divisions - Somatic
The nursing student is reviewing the nervous system. Which of the following describes the somatic
nervous system?
A. Controls involuntary functions
B. Controls voluntary movements
C. Controls digestion
D. Controls heart rate
Correct Answer: B
Rationale: The somatic nervous system controls voluntary movements. Option A, C, and D describe
the autonomic nervous system. [100% CORRECT]
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Q4: Nervous System Divisions - Autonomic
The nursing student is reviewing the nervous system. Which of the following describes the
autonomic nervous system?
A. Controls voluntary movements
B. Controls involuntary functions
C. Controls skeletal muscle
D. Controls conscious thought
Correct Answer: B
Rationale: The autonomic nervous system controls involuntary functions such as heart rate,
digestion, and respiration. Option A describes the somatic nervous system. [100% CORRECT]
Q5: Autonomic Nervous System - Sympathetic
The nursing student is reviewing the autonomic nervous system. Which of the following describes
the sympathetic nervous system?
A. Rest and digest
B. Fight or flight
C. Controls digestion
D. Slows heart rate
Correct Answer: B
Rationale: The sympathetic nervous system is responsible for the "fight or flight" response. Option A
describes the parasympathetic nervous system. [100% CORRECT]
Q6: Autonomic Nervous System - Parasympathetic
The nursing student is reviewing the autonomic nervous system. Which of the following describes
the parasympathetic nervous system?
A. Fight or flight
B. Rest and digest
C. Increases heart rate
D. Dilates pupils
Correct Answer: B
Rationale: The parasympathetic nervous system is responsible for "rest and digest" functions.
Option A describes the sympathetic nervous system. [100% CORRECT]
Q7: Autonomic Nervous System - Sympathetic Effects
The nursing student is reviewing the autonomic nervous system. Which of the following is an effect
of the sympathetic nervous system?
A. Increased heart rate
B. Decreased heart rate
C. Increased digestion
D. Constriction of pupils
BIOS 255 - EXAM 3 LATEST 2026/2027 | NERVOUS
SYSTEM | 40 VERIFIED Q&A | DETAILED RATIONALES |
NGN-ALIGNED | PASS GUARANTEED – A+ GRADED
SECTION 1: NERVOUS SYSTEM OVERVIEW - Questions 1-15
Q1: Nervous System Divisions - Central
The nursing student is reviewing the nervous system. Which of the following is part of the central
nervous system?
A. Brain and spinal cord
B. Peripheral nerves
C. Cranial nerves
D. Spinal nerves
Correct Answer: A
Rationale: The central nervous system consists of the brain and spinal cord. Options B, C, and D are
part of the peripheral nervous system. [100% CORRECT]
Q2: Nervous System Divisions - Peripheral
The nursing student is reviewing the nervous system. Which of the following is part of the peripheral
nervous system?
A. Brain
B. Spinal cord
C. Cranial and spinal nerves
D. Cerebellum
Correct Answer: C
Rationale: The peripheral nervous system consists of cranial and spinal nerves. Options A, B, and D
are part of the central nervous system. [100% CORRECT]
Q3: Nervous System Divisions - Somatic
The nursing student is reviewing the nervous system. Which of the following describes the somatic
nervous system?
A. Controls involuntary functions
B. Controls voluntary movements
C. Controls digestion
D. Controls heart rate
Correct Answer: B
Rationale: The somatic nervous system controls voluntary movements. Option A, C, and D describe
the autonomic nervous system. [100% CORRECT]
, 2
Q4: Nervous System Divisions - Autonomic
The nursing student is reviewing the nervous system. Which of the following describes the
autonomic nervous system?
A. Controls voluntary movements
B. Controls involuntary functions
C. Controls skeletal muscle
D. Controls conscious thought
Correct Answer: B
Rationale: The autonomic nervous system controls involuntary functions such as heart rate,
digestion, and respiration. Option A describes the somatic nervous system. [100% CORRECT]
Q5: Autonomic Nervous System - Sympathetic
The nursing student is reviewing the autonomic nervous system. Which of the following describes
the sympathetic nervous system?
A. Rest and digest
B. Fight or flight
C. Controls digestion
D. Slows heart rate
Correct Answer: B
Rationale: The sympathetic nervous system is responsible for the "fight or flight" response. Option A
describes the parasympathetic nervous system. [100% CORRECT]
Q6: Autonomic Nervous System - Parasympathetic
The nursing student is reviewing the autonomic nervous system. Which of the following describes
the parasympathetic nervous system?
A. Fight or flight
B. Rest and digest
C. Increases heart rate
D. Dilates pupils
Correct Answer: B
Rationale: The parasympathetic nervous system is responsible for "rest and digest" functions.
Option A describes the sympathetic nervous system. [100% CORRECT]
Q7: Autonomic Nervous System - Sympathetic Effects
The nursing student is reviewing the autonomic nervous system. Which of the following is an effect
of the sympathetic nervous system?
A. Increased heart rate
B. Decreased heart rate
C. Increased digestion
D. Constriction of pupils
