,
, NU 110 EXAM 4 QUESTIONS AND ANSWERS | 2026 UPDATE | 100%
CORRECT | WITH COMPLETE SOLUTIONS - GALEN.
SECTION 1: NERVOUS SYSTEM - NEURONS AND ACTION POTENTIALS (Questions 1-12)
Question 1
The Central Nervous System (CNS) consists of which structures?
A) Brain and spinal cord
B) Brain and cranial nerves
C) Spinal cord and peripheral nerves
D) Cranial and spinal nerves
ANSWER: A – Brain and spinal cord
Rationale:
• Option A (Brain and spinal cord) is correct because the Central Nervous System
(CNS) is the control center of the body, comprising the brain and spinal cord.
• Option B (Brain and cranial nerves) is incorrect; cranial nerves are part of the
Peripheral Nervous System (PNS).
• Option C (Spinal cord and peripheral nerves) is incorrect; peripheral nerves are part
of the PNS.
• Option D (Cranial and spinal nerves) is incorrect; both are part of the PNS.
Question 2
What are the two main parts of nervous tissue?
A) Neurons and synapses
B) Glia cells and neurons
C) Axons and dendrites
D) Myelin and Schwann cells
ANSWER: B – Glia cells and neurons
Rationale:
, NU 110 EXAM 4 QUESTIONS AND ANSWERS | 2026 UPDATE | 100%
CORRECT | WITH COMPLETE SOLUTIONS - GALEN.
SECTION 1: NERVOUS SYSTEM - NEURONS AND ACTION POTENTIALS (Questions 1-12)
Question 1
The Central Nervous System (CNS) consists of which structures?
A) Brain and spinal cord
B) Brain and cranial nerves
C) Spinal cord and peripheral nerves
D) Cranial and spinal nerves
ANSWER: A – Brain and spinal cord
Rationale:
• Option A (Brain and spinal cord) is correct because the Central Nervous System
(CNS) is the control center of the body, comprising the brain and spinal cord.
• Option B (Brain and cranial nerves) is incorrect; cranial nerves are part of the
Peripheral Nervous System (PNS).
• Option C (Spinal cord and peripheral nerves) is incorrect; peripheral nerves are part
of the PNS.
• Option D (Cranial and spinal nerves) is incorrect; both are part of the PNS.
Question 2
What are the two main parts of nervous tissue?
A) Neurons and synapses
B) Glia cells and neurons
C) Axons and dendrites
D) Myelin and Schwann cells
ANSWER: B – Glia cells and neurons
Rationale:
