ABSITE - SMALL BOWEL QUESTIONS WITH CORRECT ANSWERS 2025

ABSITE - SMALL BOWEL QUESTIONS
WITH CORRECT ANSWERS 2025
BowelMandMNutrientMAbsorptionM-MCORRECTMANSWERM-SmallM-MnutrientMandMwater

- ironMinMduodenum
M M



- mostMeverythingMinMjejunum
M M



- 95%MofMNaCl
M M



- 90%MofMwater
M M



- bileMacids
M M



- non-conjugatedMinMileum
M M



- conjugatedMinMterminalMileum
M M



- B12MandMfolateMinMterminalMileum
M M



LargeM-Mwater



DuodenumMAnatomyM-MCORRECTMANSWERM-D1M-MbulbM-M90%MofMulcers

D2M-MdescendingM-MampullaMofMVaterM(ductMofMWirsung)M+/-MductMofMSantorini

D3M-Mtransverse

D4M-Mascending



retroperitonealM-MD2MandMD3

D3-D4MdividedMbyMacuteMangleMbetweenMtheMaortaM(posterior)MandMtheMSMAM(anterior)



DuodenalMArterialMSupplyM-MCORRECTMANSWERM-superiorMPDAM(GDA)

inferiorMPDAM(SMA)

-ManteriorMandMposteriorMbranches

-MmanyMcommunicationsMbetweenMbranches



JejunumM-MCORRECTMANSWERM-100McmMlong

longMvasaMrecta

, circularMmuscleMfoldsM(plicaeMcircularies,MvalvulaeMconniventes,MvalvesMofMKerckring)M=MreduplicationsMof
MtheMmucusMmembranes




IleumM-MCORRECTMANSWERM-150McmMlong

shortMvasaMrecta

flat



NormalMBowelMDiameterM-MCORRECTMANSWERM-3/6/9

3McmM-MsmallMbowel

6McmM-MtransverseMcolon

9McmM-Mcecum



IntestinalMCellsM-MCORRECTMANSWERM--MabsorptiveMcells

-MgobletMcellsM-MmucinMsecretion

-MPanethMcellsM-MsecretoryMgranules,Menzymes

-MenterochromaffinMcellsM(KulchitskyMcells)M-MsynthesizeMandMsecreteMserotoninM(5-hydroxytryptamine)

- amineMprecursorMuptakeMdecarboxylaseM(APUD)
M M



- carcinoidMprecursor
M M



-MBrunner'sMglandsM-MalkalineMsolution

-MPeyer'sMpatchesM-MlymphoidMtissue

- increasedMinMtheMileum
M M



-MMMcellsM-Mantigen-presentingMcellsMinMintestinalMwall



IgAM-MCORRECTMANSWERM-releasedMintoMgut

mother'sMmilk



MigratingMMotorMComplexM(MMC)M-MCORRECTMANSWERM-PhaseMIM-Mrest

PhaseMIIM-MaccelerationMandMgallbladderMcontraction

PhaseMIIIM-Mperistalsis