Major histocompatibility complex (MHC) class I molecule used in the staging of multiple myeloma
Beta-2 microglobulin (accept B2M)
Longitudinal brown pigmentation of the nail plate.

Melanonychia
Nonsulfonamide loop diuretic
Ethacrynic acid
Diagnosis with low TSH but normal T4 and T3 levels
Subclinical hyperthyroidism
Most common location of initial muscle weakness in Lambert-Eaton Myasthenic Syndrome
Proximal lower extremities (accept lower extremities)
Safe ITP platelet count during pregnancy
>30,000/µL (30 × 109/L)
Diagnosis of infection-related skin erosions with honey-colored crust

Impetigo
The most common antibody associated with idiopathic membranous glomerulonephritis
Anti-phospholipase A2 receptor antibody (accept anti-PLA2R)
Q: Type of bone most affected by imbalanced remodeling in osteoporosis
Cancellous (accept trabecular or spongy)
Eponym for late amnestic neuropsychiatric manifestation of Wernicke encephalopathy affecting memory
Korsakoff Syndrome
Hemolytic anemia, bite cells, Heinz bodies
G6PD deficiency
Pruritic skin-colored papules appearing within hours of sun exposure

Polymorphous light eruption
High-risk genotype associated with focal segmental glomerulosclerosis and other kidney diseases
Apolipoprotein L1 gene (accept APOL1, apolipoprotein 1)
Eponymous decrease in thyroid hormone production due to an exogenous iodine load
The Wolff-Chaikoff effect
Eponym for progressive spreading of jerking activity along a limb in focal motor status epilepticus
Jacksonian march
Decision support tool for suspected TTP management while ADAMTS13 level pending
PLASMIC score
Primary prognostic feature for melanoma
Depth of invasion (Breslow depth)
Most serious extrarenal complication of autosomal dominant polycystic kidney disease
Ruptured cerebral aneurysm (accept ruptured berry aneurysm, subarachnoid hemorrhage, but NOT simply aneurysm without rupture)
Hypercalcemic disorder due to parathyroid hyperplasia following prolonged parathyroid stimulation
Tertiary hyperparathyroidism
Eponymous bilateral temporal lobe disorder characterized by inappropriate sexual behavior and mouthing of objects
Klüver-Bucy syndrome
Treatment of complement-mediated HUS
Eculizumab
It's a monoclonal antibody that binds to complement C5 and prevents the generation of the membrane attack complex, C5b-9
Neurocutaneous syndrome most commonly associated with facial port-wine stain
Sturge-Weber syndrome
Sexually transmitted infection that can cause nephrotic-range proteinuria via membranous glomerulonephritis
Syphilis
Term for this uncommon complication of bisphosphonate therapy

Atypical femoral fracture (do not accept femoral fracture)
Paraneoplastic limbic encephalitis associated with ovarian teratomas
Anti-NMDA receptor encephalitis