USMLE EXAM QUESTIONS WITH
VERIFIED ANSWERS [GUARANTEED
A+]
Cavernous hemangioma risk? - ✔✔bleeding
Tryptophan --> what two pathways? 2 mnemonics - ✔✔"tripped on his
nice nads" B2, B6 cofactors ---> NAD+
and
"tripped on Sir-o-tony's Melons" B4, B6 cofactors ---> serotonin---
hydroxyindole transferase --->MELANIN
hyperosmotic volume CONTRACTION (losing water, osm up in plasma)
caused by... - ✔✔SWEATING OR DI
©morren2025/2026.Year published 2026.
,primary polydipsia results in what fluid changes? - ✔✔expands both ICF
ECF with decreased osmolarity
adrenal insufficiency volume changes? - ✔✔ECF down ICF up!
what reaction forms PORPHYRIN? Cofactor? - ✔✔Glycine --> B6 cofactor
--> Porphyrin
treat P. aerug with... - ✔✔cefaPime
Alkaptonuria defect and accumulation - ✔✔Cannot synthesize
MALEYLACETOACETIC ACID, so precursor HOMOGENISTIC acid
accumulates. Urine turns BLACK on sitting.
which drug given after benzos to STOP REUCRRENCE OF tonic clonic
seizures? - ✔✔PHENYTOIN
glutamine metabolism yeilds? - ✔✔part of BICARB and AMMONIA so
useful for ALKYLIZING THINGS!
©morren2025/2026.Year published 2026.
,ALANINE AND ASPARTATE FUNCTION IN WHAT PATHWAY? -
✔✔GLUCONEOGENESIS!
it ain't an ULCER until? - ✔✔it gets to the SUBMUCOSA
Brain infarct timing and histology - ✔✔1d = red dead (eosinophilic, loss of
nissl)
then NEUTROPHILS
1w = MACs come clean up and start LIQUEFACTIVE NECROSIS
2w = gliosis and vascular proliferation
1 month = GLIAL SCAR
Drugs causing stephen johnson syndrome/Toxic epidermal necrosis? -
✔✔"Steven Johnson has TEN funny barbie cars"
Phenytoin
Phenobarbitol
Carbamazepime
©morren2025/2026.Year published 2026.
, Alpha 1 =
Alpha 2 =
B1 =
B2 =
B3 =
M1 =
M2 =
M3 =
H1 =
H2 =
D1 =
D2 =
V1 =
V2 = - ✔✔Alpha 1 = q, IP3/DAG = smooth m contraction, eye dilates
Alpha 2 = i, decr cAMP = smooth m contract, plate agg
B1 = s, increased CAMP, incr HR/Contractility HEART
B2 = s, increased camp, bronchodilation LUNGS
B3 = s, increased camp, detrusor relax BLADDER?
M1 = Q, IP3/DAG, smooth m contraction BRAIN
M2 = i, decr cAMP HEART
©morren2025/2026.Year published 2026.
VERIFIED ANSWERS [GUARANTEED
A+]
Cavernous hemangioma risk? - ✔✔bleeding
Tryptophan --> what two pathways? 2 mnemonics - ✔✔"tripped on his
nice nads" B2, B6 cofactors ---> NAD+
and
"tripped on Sir-o-tony's Melons" B4, B6 cofactors ---> serotonin---
hydroxyindole transferase --->MELANIN
hyperosmotic volume CONTRACTION (losing water, osm up in plasma)
caused by... - ✔✔SWEATING OR DI
©morren2025/2026.Year published 2026.
,primary polydipsia results in what fluid changes? - ✔✔expands both ICF
ECF with decreased osmolarity
adrenal insufficiency volume changes? - ✔✔ECF down ICF up!
what reaction forms PORPHYRIN? Cofactor? - ✔✔Glycine --> B6 cofactor
--> Porphyrin
treat P. aerug with... - ✔✔cefaPime
Alkaptonuria defect and accumulation - ✔✔Cannot synthesize
MALEYLACETOACETIC ACID, so precursor HOMOGENISTIC acid
accumulates. Urine turns BLACK on sitting.
which drug given after benzos to STOP REUCRRENCE OF tonic clonic
seizures? - ✔✔PHENYTOIN
glutamine metabolism yeilds? - ✔✔part of BICARB and AMMONIA so
useful for ALKYLIZING THINGS!
©morren2025/2026.Year published 2026.
,ALANINE AND ASPARTATE FUNCTION IN WHAT PATHWAY? -
✔✔GLUCONEOGENESIS!
it ain't an ULCER until? - ✔✔it gets to the SUBMUCOSA
Brain infarct timing and histology - ✔✔1d = red dead (eosinophilic, loss of
nissl)
then NEUTROPHILS
1w = MACs come clean up and start LIQUEFACTIVE NECROSIS
2w = gliosis and vascular proliferation
1 month = GLIAL SCAR
Drugs causing stephen johnson syndrome/Toxic epidermal necrosis? -
✔✔"Steven Johnson has TEN funny barbie cars"
Phenytoin
Phenobarbitol
Carbamazepime
©morren2025/2026.Year published 2026.
, Alpha 1 =
Alpha 2 =
B1 =
B2 =
B3 =
M1 =
M2 =
M3 =
H1 =
H2 =
D1 =
D2 =
V1 =
V2 = - ✔✔Alpha 1 = q, IP3/DAG = smooth m contraction, eye dilates
Alpha 2 = i, decr cAMP = smooth m contract, plate agg
B1 = s, increased CAMP, incr HR/Contractility HEART
B2 = s, increased camp, bronchodilation LUNGS
B3 = s, increased camp, detrusor relax BLADDER?
M1 = Q, IP3/DAG, smooth m contraction BRAIN
M2 = i, decr cAMP HEART
©morren2025/2026.Year published 2026.
