BIOD 322 NEUROSCIENCE
Movement
Latest Review Exam
Q&A
2024
,1. Which neurotransmitter is primarily involved in the initiation of
voluntary movement?
A. Acetylcholine
B. Dopamine
C. Serotonin
D. GABA
Answer: B. Dopamine
Rationale: Dopamine is a neurotransmitter that plays a key role in the
control of movement. It is produced in the substantia nigra and is involved
in the initiation and smooth coordination of voluntary muscular
movements.
2. What is the role of the cerebellum in motor control?
A. Initiating movement
B. Regulating autonomic functions
C. Coordinating and fine-tuning movements
D. Processing sensory information
Answer: C. Coordinating and fine-tuning movements
Rationale: The cerebellum is crucial for motor coordination and balance.
It receives information from the sensory systems, the spinal cord, and
other parts of the brain and then regulates motor movements to ensure
smooth, balanced muscular activity.
3. Which of the following is a symptom of Parkinson's disease?
A. Hyperkinesia
B. Bradykinesia
C. Ataxia
D. Spasticity
Answer: B. Bradykinesia
Rationale: Bradykinesia, or the slowness of movement, is a classic
symptom of Parkinson's disease. It is due to the loss of dopamine-
producing neurons in the substantia nigra, affecting the control of
movement.
4. In a patient with hemiplegia, which area of the brain is most likely
affected?
A. Frontal lobe
, B. Parietal lobe
C. Temporal lobe
D. Occipital lobe
Answer: A. Frontal lobe
Rationale: The frontal lobe, particularly the primary motor cortex, is
responsible for voluntary movement. Damage to this area can result in
hemiplegia, which is paralysis on one side of the body.
5. What is the Babinski sign?
A. A reflex indicating normal motor neuron function
B. A reflex seen in normal infants that disappears with maturation
C. An indication of damage to the upper motor neurons
D. A sign of peripheral neuropathy
Answer: C. An indication of damage to the upper motor neurons
Rationale: The Babinski sign is a reflex that, when present in adults,
indicates damage to the corticospinal tract of the upper motor neurons. It
is characterized by dorsiflexion of the big toe and fanning of the other toes
when the sole of the foot is stimulated.
6. Which part of the brain is responsible for integrating sensory input and
coordinating movement output?
A. Thalamus
B. Hypothalamus
C. Basal ganglia
D. Limbic system
Answer: C. Basal ganglia
Rationale: The basal ganglia are a group of nuclei in the brain associated
with a variety of functions, including control of voluntary motor
movements, procedural learning, routine behaviors or habits, and emotion.
7. What is proprioception?
A. The ability to sense the position and movement of the body
B. The perception of pain
C. The sense of balance and spatial orientation
D. The ability to recognize objects by touch
Answer: A. The ability to sense the position and movement of the body
Rationale: Proprioception is the body's ability to sense its own position,
motion, and equilibrium. It is crucial for movement and coordination,
Movement
Latest Review Exam
Q&A
2024
,1. Which neurotransmitter is primarily involved in the initiation of
voluntary movement?
A. Acetylcholine
B. Dopamine
C. Serotonin
D. GABA
Answer: B. Dopamine
Rationale: Dopamine is a neurotransmitter that plays a key role in the
control of movement. It is produced in the substantia nigra and is involved
in the initiation and smooth coordination of voluntary muscular
movements.
2. What is the role of the cerebellum in motor control?
A. Initiating movement
B. Regulating autonomic functions
C. Coordinating and fine-tuning movements
D. Processing sensory information
Answer: C. Coordinating and fine-tuning movements
Rationale: The cerebellum is crucial for motor coordination and balance.
It receives information from the sensory systems, the spinal cord, and
other parts of the brain and then regulates motor movements to ensure
smooth, balanced muscular activity.
3. Which of the following is a symptom of Parkinson's disease?
A. Hyperkinesia
B. Bradykinesia
C. Ataxia
D. Spasticity
Answer: B. Bradykinesia
Rationale: Bradykinesia, or the slowness of movement, is a classic
symptom of Parkinson's disease. It is due to the loss of dopamine-
producing neurons in the substantia nigra, affecting the control of
movement.
4. In a patient with hemiplegia, which area of the brain is most likely
affected?
A. Frontal lobe
, B. Parietal lobe
C. Temporal lobe
D. Occipital lobe
Answer: A. Frontal lobe
Rationale: The frontal lobe, particularly the primary motor cortex, is
responsible for voluntary movement. Damage to this area can result in
hemiplegia, which is paralysis on one side of the body.
5. What is the Babinski sign?
A. A reflex indicating normal motor neuron function
B. A reflex seen in normal infants that disappears with maturation
C. An indication of damage to the upper motor neurons
D. A sign of peripheral neuropathy
Answer: C. An indication of damage to the upper motor neurons
Rationale: The Babinski sign is a reflex that, when present in adults,
indicates damage to the corticospinal tract of the upper motor neurons. It
is characterized by dorsiflexion of the big toe and fanning of the other toes
when the sole of the foot is stimulated.
6. Which part of the brain is responsible for integrating sensory input and
coordinating movement output?
A. Thalamus
B. Hypothalamus
C. Basal ganglia
D. Limbic system
Answer: C. Basal ganglia
Rationale: The basal ganglia are a group of nuclei in the brain associated
with a variety of functions, including control of voluntary motor
movements, procedural learning, routine behaviors or habits, and emotion.
7. What is proprioception?
A. The ability to sense the position and movement of the body
B. The perception of pain
C. The sense of balance and spatial orientation
D. The ability to recognize objects by touch
Answer: A. The ability to sense the position and movement of the body
Rationale: Proprioception is the body's ability to sense its own position,
motion, and equilibrium. It is crucial for movement and coordination,
