BRAIN
CEREBRUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A patient reports to your clinic with uncontrollable tremors, muscular stiffness, and involuntary movements. What area of the patient’s brain is likely damaged?
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Basal ganglia
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Limbic system
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Thalamus
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Cerebrum
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Explanation:
Detailed explanation-1: -The hallmark symptoms of PD-bradykinesia, tremor, postural instability, and rigidity-result primarily from the death of neurons in the substantia nigra, a region in the midbrain critical for motor control. In order to communicate, neurons use chemical messengers called neurotransmitters.
Detailed explanation-2: -Involuntary movements in basal ganglia diseases include ① tremor, ② chorea, ③ ballism, ④ athetosis, and ⑤ dystonia. Tremor appears in PD as an initial sign of the illness in 60–70% of patients. It soon disappears using levodopa medication.
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