Neurology (Questions)

Question 1

Axons of Neurons whose cell bodies are located in outer rexed laminae of left dorsal horn of spinal cord terminate into which structure?

Answer 1

Right VPL Nucleus of thalamus
Neuron cell bodies are secondary neurons of spinothlamic pathways (Pain and Temp) axons cross mid line of spinal cord at ventral white commissure. Axons ascend without interruption to VPL nucleus of thalamus

Question 2

Fasiculus gracilis part of which pathway

Answer 2

Dorsal Column

Question 3

Second Order neurons of Spinothalamic tract ascent where

Answer 3

Thalamus

Question 4

Presence of Multiple ring enhanced lesions visualized with Gadolinium Contrast MRI
Therapy?

Answer 4

Cerebral Toxoplasmosis
Standard: Pyrimethamine-Sulfadiazine+Folinic Acid
Sulfa Allergy: Clindamycin (Protein Synthesis Inhibitor at 50S Ribosome) (Pseudomembranous Colitis)

Question 5

CC: Difficulty Speaking. Skipped words, lack grammar and syntax. Expends great effort tryng to answer questions. language comprehension appears normal. PE: Right sided weakness of upper limb. MMSE: hard time repeating sentences.
Which anatomical area most affected?

Answer 5

Broca’s Aphasia (Expressive Aphasia)
Frontal Lobe (Left posterior Inferior frontal Lobe)
Right Sided Weakness: Left Sided Stroke

Question 6

Lost balance on skateboard and hit head. LOC for less than a minute, on the way to the ER LOC again. CT Scan would reveal what?

Answer 6

Epidural Hemorrhage
(MC: MMA tear)
Lucid Interval followed by LOC