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A 40-year-old man stands steadily with his eyes open but immediately loses balance after closing his eyes, as shown. What is the most likely underlying lesion? A. Posterior (dorsal) columns of the spinal cord B. Cerebellar hemisphere C. Basal ganglia D. Corticospinal tract What's your answer?

A 40-year-old man stands steadily with his eyes open but immediately loses balance after closing his eyes, as shown. What is the most likely underlying lesion? A. Posterior (dorsal) columns of the spinal cord B. Cerebellar hemisphere C. Basal ganglia D. Corticospinal tract What's your answer?

31,925 Aufrufe

Degeneration of the substantia nigra leads to deficiency of which neurotransmitter, causing this characteristic presentation? A. Dopamine B. Acetylcholine C. GABA D. Glutamate What's your answer?

Degeneration of the substantia nigra leads to deficiency of which neurotransmitter, causing this characteristic presentation? A. Dopamine B. Acetylcholine C. GABA D. Glutamate What's your answer?

11,805 Aufrufe

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Diagnosis & management❓ Case credits : Dr sunilrichardson

Diagnosis & management❓ Case credits : Dr sunilrichardson

55,140 Aufrufe • vor 5 Monaten

👨‍⚕️What’s the sign shown❓ 👆 Facial muscles twitch when tapping over the angle of the jaw ⚡ Classic bedside finding seen in electrolyte imbalance (↓Ca²⁺) A) ✋ Trousseau’s sign B) 😊 Chvostek’s sign C) 👁️ Bell’s phenomenon D) 🦶 Babinski’s sign

👨‍⚕️What’s the sign shown❓ 👆 Facial muscles twitch when tapping over the angle of the jaw ⚡ Classic bedside finding seen in electrolyte imbalance (↓Ca²⁺) A) ✋ Trousseau’s sign B) 😊 Chvostek’s sign C) 👁️ Bell’s phenomenon D) 🦶 Babinski’s sign

48,500 Aufrufe • vor 9 Monaten

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