QUESTIONS AND ANSWERS
(Testbank with all the correct
answers) (USMLE step 1) Medical
examination 2000+ Questions
,NBME gCBSE gACTUAL gTEST gQUESTIONS
gANDgANSWERS g2023-2024 gCOMPLETE
62 gyear gold gwoman g- gosteoporosis g- ga gbisphosphonate gis gprescribed. gThe
expected gbeneficial geffect gof gthe gdrug gis gdue gto gwhich gof gthe gfollowing? g-
g
Answer= gDecreased gOsteoclast g Activity
Cohot g Study g of g elderly g women g - g relative g risk g ratio g for g hip g fractures
g among g thosegwho gexercise gregularly gis g1.2 g(95% gconfidence ginterval gof g1.1
to g1.8). gWhich gof gthe gfollowing gis gthe gconclusion gabout gthe geffect gof
g
g exercise gon g the g risk g of g hip gfracture? g -Answer= g Statistically g Significant
g Overall g Increase g Risk
52 gyear gold gman ggoes gto gER gwith gchest gpain gradiating gto ghis gjaw
while gshoveling g snow. g Pulse g is g 80/min g and g blood g pressure g is
g
g 130/70. g The g mostgimmediate gtreatment gmechanism gof gaction? g-
Answer= gIncreased gnitricgoxide g concentration
g
24 gyear gold gwoman g- gspilled ghot ggrease gon gher gleft gleg gwhile gworking g at
g a gfast-gfood g restaurant. g Exam g of g leg g shows g 7cm g pink, g soft, g granular,
g edematous g wound.gThe gformation gof gthis gtissue gwas gmost glikely gcaused gby
increased g activity g of gwhich? g-Answer= ga. gVascular gEndothelial gGrowth
g
Factor gVEGF g- gstimulates gangiogenesiss.
g
TYPE g III g Collagen g = g Blood g Vessels g - g early g wound g repair
27 gyear gold gman- gMVC g- gskull gx-ray gshows ga glinear, gnondepressed gbasal
skull gfracture g- gincreased gserum g osm g and g decreased g urin g osm.
g
g Following gdesmopressin g urine g osm g increases. g Desmopressin's g effect g is
,g due g to g the g activationgof g which g of g the g following? g -Answer= g a. g Adenylyl
g Cyclase
, gg Adenylate g Cyclase g - g ATP g -
g CAMP g --gPROTEKINASE g A g -- g Ca
g v2
A g10 gmonth gold gboy g - g4 g day g history g of g fever g and g cough. g He g attends
g day g care gcenter. gChest gexam gshows gintercostal gretractions galong gwith
bilateral, gdiffuse gwheezes g and g expiratory g rhonchi. g The g infectious g agent
g
g most g likely g has g which g of g thegfollowing g properties? g -Answer= g Mediation g of
g Cell g Entry g via g a g fusion g protein
A g17 gyear gold ggirl gin gED g- g15 gminutes gafter gbeing gstung gby ga gbee. gMild glight
headedness g but g no g difficulty g swallowing- g Bilateral g wheezing g - g Which g is
g
g mostgappropriate g pharmacotherapy g for g this g patient? g -Answer= g B2-
g Agonist
14 gyear gold gboy g- g2 gday ghistory gof gsore gthroat gand gfever gthat gpeaks g in
late gafternoon. g1 gweek gof gfatigue. gHe grecentaly ghad gsex gwith gone gpartner.
g
Physical gexam g show g cervical g lymphadenopathy g and g pharyngeal
g
g erythema g with g a g creamygexudate. g DX? g -Answer= g Infectious
g Mononucleosis