Liberty University NURS 751 Midterm Study Guide | Complete Neurobiology & Differential Diagnosis Exam Notes | PMHNP Exam Review | 2026.

Liberty University NURS 751 Midterm
Study Guide | Complete Neurobiology &
Differential Diagnosis Exam Notes |
PMHNP Exam Review | 2026.



SECTION 1: FOUNDATIONAL NEUROANATOMY &
NEUROPHYSIOLOGY



1. The central nervous system (CNS) consists of:

 A) The brain and spinal cord
 B) The brain and peripheral nerves
 C) The spinal cord and autonomic nervous system
 D) The somatic and autonomic nervous systems




Correct Answer: A

, Rationale: The CNS consists of the brain and spinal cord. The PNS consists of sensory and
motor neurons that connect the CNS to the rest of the body. The PNS has two divisions:
autonomic (involuntary functions) and somatic (voluntary functions) .




2. Which neurotransmitter is produced in the raphe nuclei and is most associated
with mood and anxiety disorders?

 A) Dopamine
 B) Norepinephrine
 C) Serotonin
 D) Glutamate




Correct Answer: C

Rationale: Serotonin is produced in the raphe nuclei of the brainstem. It is the main
neurotransmitter associated with mood, anxiety disorders, impulse control, and dreaming.
Its precursor is tryptophan .




3. Dopamine is produced in which of the following locations?

 A) Raphe nuclei
 B) Locus coeruleus
 C) Substantia nigra and ventral tegmental area (VTA)
 D) Nucleus basalis of Meynert




Correct Answer: C

, Rationale: Dopamine is produced in the substantia nigra and ventral tegmental area
(VTA) of the midbrain. Its precursor is tyrosine. Dopamine plays a role in pleasure, reward,
focus, learning, motivation, movement, and attention .




4. Norepinephrine (NE) is primarily produced in which brain region?

 A) Raphe nuclei
 B) Locus coeruleus
 C) Substantia nigra
 D) Ventral tegmental area




Correct Answer: B

Rationale: Norepinephrine is a monoamine neurotransmitter produced in the locus
coeruleus. It is involved in alertness, vigilance, control of REM sleep, and is implicated in
mood, anxiety, and concentration disorders .




5. Which brain lobe is responsible for executive function, planning, impulse
control, and personality?

 A) Frontal lobe
 B) Temporal lobe
 C) Parietal lobe
 D) Occipital lobe




Correct Answer: A

Rationale: The frontal lobe is associated with reasoning, planning, speech, movement,
emotions, and problem-solving. Problems in this area can cause personality changes. The

, dorsolateral prefrontal cortex is involved in executive function, and the orbitofrontal cortex
is involved in impulse control and social behavior .




6. Which brain lobe is responsible for auditory processing and language
comprehension (Wernicke's area)?

 A) Frontal lobe
 B) Temporal lobe
 C) Parietal lobe
 D) Occipital lobe




Correct Answer: B

Rationale: The temporal lobe contains Wernicke's area, which is responsible for receptive
speech or language comprehension. Issues with this lobe may cause visual or auditory
hallucinations, aphasia, or amnesia .




7. Which brain lobe is responsible for sensory integration and spatial orientation?

 A) Frontal lobe
 B) Temporal lobe
 C) Parietal lobe
 D) Occipital lobe




Correct Answer: C

Rationale: The parietal lobe is the primary sensory area responsible for sensory
integration, spatial orientation, taste, reading, and writing. Issues in this lobe can cause
sensory-perceptual disturbance and agnosia (inability to sense or recognize objects) .