Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A venipuncture yana da amfani saboda hanya ce mai ƙarancin mamayewa don samun ƙwayoyin cuta da ruwa na waje (plasma) daga jiki don bincike. Jini yana gudana a cikin jiki, yana aiki a matsayin matsakaici wanda ke ba da iskar oxygen da abubuwan gina jiki ga kyallen takarda kuma yana ɗaukar kayayyakin sharar gida zuwa tsarin fitarwa don kawarwa. Saboda haka, yanayin jini yana shafan, ko kuma yanayin ya shafi, cututtuka da yawa. Saboda wadannan dalilai, gwaje-gwajen jini sune gwaje-gwajen likitanci da aka fi yin su.Idan ana bukatar 'yan saukad da jini kawai, ana yin yatsan yatsa a maimakon venipuncture.Phlebotomists, likitocin dakunan gwaje-gwaje da ma'aikatan jinya sune waɗanda ke da alhakin cire jini daga mai haƙuri. Duk da haka, a yanayi na musamman, da kuma yanayi na gaggawa, likitoci da likitoci suna ɗaukan jini. Har ila yau, an horar da likitocin numfashi don cire jini na jini don bincika iskar gas na jini.  Tambaya: A wane lokaci ne wani wanda ba likitan ƙwayar cuta ba zai iya ɗaukan jini daga wurin mai ciwo?
yanayi na musamman, da kuma gaggawa yanayi