NUR 256 Mental Health Exam 1 Actual Exam 2026 | Complete Questions and Correct Answers | Graded A+ | Verified Answers | Brand New Version!

NUR 256 Mental Health Exam 1 Actual Exam 2026 |
Complete Questions and Correct Answers | Graded A+ |
Verified Answers | Brand New Version!


Question 1
A decrease in which neurotransmitter is associated with Parkinson's disease
and depression?
A) Serotonin
B) Norepinephrine
C) Dopamine
D) Acetylcholine
E) GABA
Correct Answer: C) Dopamine
Rationale: A decrease in dopamine levels is associated with
Parkinson's disease and depression.

Question 2
An increase in which neurotransmitter is linked to schizophrenia and mania?
A) GABA
B) Serotonin
C) Acetylcholine
D) Dopamine
E) Glutamate
Correct Answer: D) Schizophrenia, mania
Rationale: An increase in dopamine levels is associated with
schizophrenia and mania.

Question 3
Which neurotransmitter's decrease is associated with depression, while its
increase is linked to mania, anxiety states, and schizophrenia?
A) Serotonin
B) Dopamine
C) Norepinephrine
D) Acetylcholine

,E) GABA
Correct Answer: C) Norepinephrine
Rationale: A decrease in norepinephrine is associated with
depression, and an increase is associated with mania, anxiety
states, and schizophrenia.

Question 4
A decrease in serotonin levels is primarily associated with which mental
illness?
A) Mania
B) Schizophrenia
C) Depression
D) Anxiety disorders
E) Parkinson's disease
Correct Answer: C) depression
Rationale: A decrease in serotonin levels is primarily associated with
depression.

Question 5
A decrease in GABA is linked to anxiety disorders, schizophrenia, mania, and
Huntington's disease. What is the effect of an increase in GABA?
A) Psychosis
B) Increased aggression
C) Reduction of anxiety
D) Neurodegeneration
E) Depression
Correct Answer: C) reduction of anxiety
Rationale: An increase in GABA leads to a reduction of anxiety, as
GABA plays a role in inhibition.

Question 6
Which neurotransmitter, when decreased, is associated with psychosis, and
when prolonged at increased levels, can be neurotoxic, leading to

,neurodegeneration in Alzheimer's disease?
A) Dopamine
B) Serotonin
C) Norepinephrine
D) Glutamate
E) Acetylcholine
Correct Answer: D) Glucamate
Rationale: A decrease in Glutamate is associated with psychosis, and
a prolonged increase can be neurotoxic, leading to
neurodegeneration in Alzheimer's disease.

Question 7
A decrease in acetylcholine is linked to Alzheimer's, Huntington's, and
Parkinson's diseases. What is the effect of an increase in acetylcholine?
A) Mania
B) Anxiety
C) Schizophrenia
D) Depression
E) Psychosis
Correct Answer: D) depression
Rationale: An increase in acetylcholine is associated with depression.

Question 8
Which neurotransmitter plays a role in learning and memory and stimulates
the ANS for "resting and digesting"?
A) Dopamine
B) Serotonin
C) Norepinephrine
D) Acetylcholine
E) GABA
Correct Answer: D) Acetylcholine

, Rationale: Acetylcholine plays a role in learning, memory, and
stimulates the ANS for "resting and digesting."

Question 9
Which excitatory neurotransmitter, with its AMPA receptors, plays a role in
learning and memory?
A) Dopamine
B) Serotonin
C) Norepinephrine
D) Acetylcholine
E) Glutamate
Correct Answer: E) Glucamate
Rationale: Glutamate is an excitatory neurotransmitter, and its AMPA
receptors play a role in learning and memory.

Question 10
Which neurotransmitter plays a role in inhibition, reduces aggression,
excitation, and anxiety, and may impair cognition and psychomotor
functioning?
A) Dopamine
B) Serotonin
C) Norepinephrine
D) Acetylcholine
E) GABA
Correct Answer: E) GABA
Rationale: GABA plays a role in inhibition, reduces aggression,
excitation, and anxiety, and may impair cognition and psychomotor
functioning.

Question 11
Which neurotransmitter plays a role in sleep regulation, hunger, mood states,
pain perception, hormonal activity, aggression, and sexual behavior?
A) Dopamine