Shit - Neuro UWorld

Question 1

Give drug to old person for bradycardia, now eve pain; what is drugs action

Answer 1

Glaucoma exacerbation via ATROPINE (or any anti-muscarinic used to block vagal tone on the heart to increase HR)

Question 2

elevated liver enzymes after big surgery =

Answer 2

massive liver necrosis via halogenated anesthetics

Question 3

Neonatal meningitis empiric rx and for what bugs:

Answer 3

Ceftriaxone: E. coli, GBS, S. pneumo, N. meningitides, H. flu.
Ampicillin: Listeria

Question 4

Sciatic nerve root levels

Answer 4

L4-S3

Question 5

Conus medullaris vs. cauda equina

Answer 5

Conus medullaris = L2 injury; saddle sensation loss (S3-S5), sphincter loss, impotence.
Cauda Equina = bigger injury below L2; saddle loss, some bowel and bladder disfunction, pain, loss of knee and ankle jerk and anal wink reflexes

Question 6

Akathesia

Answer 6

inner restlessness via antipsychotics

Question 7

Renin release stimulated by what receptor

Answer 7

Beta-1

Question 8

Drugs causing hypothyroidism

Answer 8

Lithium, amiodarone, sulfonamides