WGU D574 – Neuropsychology Objective Assessment | OA V1 and V2 |
Questions and Answers | 2026 Update | 100% Correct.
WGU D574 – Neuropsychology
FULL 70-Question TIMED Mock OA
SECTION 1: Neuroanatomy & Brain Function
1. Which brain region plays the greatest role in impulse control and decision-making?
A. Parietal lobe
B. Temporal lobe
C. Frontal lobe
D. Occipital lobe
2. Damage to the parietal lobe would MOST likely affect:
A. Language production
B. Sensory integration
C. Visual acuity
D. Emotional regulation
3. The primary function of the thalamus is to:
A. Regulate hormones
B. Coordinate motor output
C. Relay sensory information
D. Control balance
4. Which structure regulates homeostasis such as hunger and temperature?
A. Hippocampus
B. Hypothalamus
C. Amygdala
D. Cerebellum
5. A patient with damage to the cerebellum would MOST likely experience:
A. Memory loss
B. Emotional instability
C. Poor coordination
D. Speech comprehension issues
,SECTION 2: Neurotransmitters & Neural Communication
6. Which neurotransmitter is primarily inhibitory in the central nervous system?
A. Dopamine
B. Glutamate
C. GABA
D. Serotonin
7. Low levels of dopamine are MOST closely associated with:
A. Alzheimer’s disease
B. Parkinson’s disease
C. Epilepsy
D. Multiple sclerosis
8. Serotonin is MOST strongly linked to regulation of:
A. Motor coordination
B. Mood and sleep
C. Learning speed
D. Reflexes
9. Which neurotransmitter plays a key role in learning and memory?
A. Acetylcholine
B. GABA
C. Norepinephrine
D. Endorphins
10. Excessive glutamate activity can result in:
A. Neuroprotection
B. Neurogenesis
C. Excitotoxicity
D. Synaptic pruning
SECTION 3: Learning & Memory
11. Which structure is essential for forming new declarative memories?
A. Amygdala
B. Hippocampus
C. Cerebellum
D. Brainstem
12. An inability to form new memories after injury is called:
A. Retrograde amnesia
B. Anterograde amnesia
,C. Dissociative amnesia
D. Procedural amnesia
13. Procedural memory is BEST described as memory for:
A. Personal experiences
B. Emotional responses
C. Motor skills
D. Facts and events
14. Which type of memory is MOST resistant to brain injury?
A. Episodic
B. Declarative
C. Procedural
D. Semantic
15. Long-term potentiation (LTP) refers to:
A. Neuron death
B. Weakening of synapses
C. Strengthening of synaptic connections
D. Elimination of neurons
SECTION 4: Neurodevelopment & Plasticity
16. Neuroplasticity is BEST defined as the brain’s ability to:
A. Grow new lobes
B. Replace neurons instantly
C. Reorganize neural connections
D. Increase brain size
17. The period of greatest neural plasticity occurs during:
A. Late adulthood
B. Middle adulthood
C. Adolescence
D. Early childhood
18. Synaptic pruning primarily serves to:
A. Increase intelligence
B. Remove unused neural connections
C. Slow development
D. Reduce learning
19. Myelination primarily increases:
A. Neuron size
B. Neural transmission speed
, C. Memory storage
D. Brain mass
20. Which factor MOST strongly influences brain development?
A. Genetics alone
B. Environment alone
C. Interaction of genes and environment
D. Intelligence
SECTION 5: Brain Injury & Neurological Disorders
21. A diffuse axonal injury is MOST often caused by:
A. Stroke
B. Penetrating trauma
C. Acceleration-deceleration forces
D. Infection
22. Which symptom is MOST associated with frontal lobe damage?
A. Visual hallucinations
B. Poor impulse control
C. Loss of balance
D. Auditory deficits
23. Damage to Broca’s area results in difficulty with:
A. Language comprehension
B. Speech production
C. Reading
D. Writing only
24. Alzheimer’s disease is characterized by:
A. Sudden onset
B. Progressive cognitive decline
C. Primary motor symptoms
D. Full recovery
25. Parkinson’s disease primarily affects:
A. Memory first
B. Dopamine-producing neurons
C. Sensory processing
D. Language centers
Questions and Answers | 2026 Update | 100% Correct.
WGU D574 – Neuropsychology
FULL 70-Question TIMED Mock OA
SECTION 1: Neuroanatomy & Brain Function
1. Which brain region plays the greatest role in impulse control and decision-making?
A. Parietal lobe
B. Temporal lobe
C. Frontal lobe
D. Occipital lobe
2. Damage to the parietal lobe would MOST likely affect:
A. Language production
B. Sensory integration
C. Visual acuity
D. Emotional regulation
3. The primary function of the thalamus is to:
A. Regulate hormones
B. Coordinate motor output
C. Relay sensory information
D. Control balance
4. Which structure regulates homeostasis such as hunger and temperature?
A. Hippocampus
B. Hypothalamus
C. Amygdala
D. Cerebellum
5. A patient with damage to the cerebellum would MOST likely experience:
A. Memory loss
B. Emotional instability
C. Poor coordination
D. Speech comprehension issues
,SECTION 2: Neurotransmitters & Neural Communication
6. Which neurotransmitter is primarily inhibitory in the central nervous system?
A. Dopamine
B. Glutamate
C. GABA
D. Serotonin
7. Low levels of dopamine are MOST closely associated with:
A. Alzheimer’s disease
B. Parkinson’s disease
C. Epilepsy
D. Multiple sclerosis
8. Serotonin is MOST strongly linked to regulation of:
A. Motor coordination
B. Mood and sleep
C. Learning speed
D. Reflexes
9. Which neurotransmitter plays a key role in learning and memory?
A. Acetylcholine
B. GABA
C. Norepinephrine
D. Endorphins
10. Excessive glutamate activity can result in:
A. Neuroprotection
B. Neurogenesis
C. Excitotoxicity
D. Synaptic pruning
SECTION 3: Learning & Memory
11. Which structure is essential for forming new declarative memories?
A. Amygdala
B. Hippocampus
C. Cerebellum
D. Brainstem
12. An inability to form new memories after injury is called:
A. Retrograde amnesia
B. Anterograde amnesia
,C. Dissociative amnesia
D. Procedural amnesia
13. Procedural memory is BEST described as memory for:
A. Personal experiences
B. Emotional responses
C. Motor skills
D. Facts and events
14. Which type of memory is MOST resistant to brain injury?
A. Episodic
B. Declarative
C. Procedural
D. Semantic
15. Long-term potentiation (LTP) refers to:
A. Neuron death
B. Weakening of synapses
C. Strengthening of synaptic connections
D. Elimination of neurons
SECTION 4: Neurodevelopment & Plasticity
16. Neuroplasticity is BEST defined as the brain’s ability to:
A. Grow new lobes
B. Replace neurons instantly
C. Reorganize neural connections
D. Increase brain size
17. The period of greatest neural plasticity occurs during:
A. Late adulthood
B. Middle adulthood
C. Adolescence
D. Early childhood
18. Synaptic pruning primarily serves to:
A. Increase intelligence
B. Remove unused neural connections
C. Slow development
D. Reduce learning
19. Myelination primarily increases:
A. Neuron size
B. Neural transmission speed
, C. Memory storage
D. Brain mass
20. Which factor MOST strongly influences brain development?
A. Genetics alone
B. Environment alone
C. Interaction of genes and environment
D. Intelligence
SECTION 5: Brain Injury & Neurological Disorders
21. A diffuse axonal injury is MOST often caused by:
A. Stroke
B. Penetrating trauma
C. Acceleration-deceleration forces
D. Infection
22. Which symptom is MOST associated with frontal lobe damage?
A. Visual hallucinations
B. Poor impulse control
C. Loss of balance
D. Auditory deficits
23. Damage to Broca’s area results in difficulty with:
A. Language comprehension
B. Speech production
C. Reading
D. Writing only
24. Alzheimer’s disease is characterized by:
A. Sudden onset
B. Progressive cognitive decline
C. Primary motor symptoms
D. Full recovery
25. Parkinson’s disease primarily affects:
A. Memory first
B. Dopamine-producing neurons
C. Sensory processing
D. Language centers
