最新麻醉多选题(一)MultipleChoiceQuestions1.Thedurationofactionofnon-depolarizingneuromuscularblockingdrugsmaybeprolongedby:(a)Amitriptyline.(b)Verapamil.(c)Hypothermia.(d)Hypercarbia.(e)Lidocaine.2.Succinylcholine:(a)Causesatransientriseinbloodpressure.(b)Ismetabolizedbyacetylcholinesteraseintheplasma.(c)Isantagonizedbyneostigmine.(d)Causesanexaggeratedriseinserumpotassiuminrenalfailurepatients.(e)Reducesthepermeabilityofthenicotinicacetylcholinereceptortosodium.3.Mivacurium:(a)Hasadurationofactionwhichmaybeincreasedinhepaticfailure.(b)Ismetabolizedat50%oftherateofsuccinylcholine.(c)Hasactivemetaboliteswhichaccumulateduringcontinuousinfusion.(d)Causesatleastasmuchhistaminereleaseasatracurium.(e)cis–cisandcis–transisomersaremorepotentthanthetrans–transisomer.4.Cisatracurium:(a)Undergoesnourinaryexcretion.(b)IsmetabolizedprimarilybyHofmanndegradation.(c)Isamonoquaternarybenzylisoquinoliniumcompound.(d)Hasanonsetofactionthatisslowerthananequipotentdoseofatracurium.(e)Producesmorelaudanosinethananequipotentdoseofatracurium.5.Rocuronium:(a)Isabisquaternaryaminosteroidcompound.(b)Ismorelipid-solublethanvecuronium.(c)Hasarapidonsetofactionbecauseofitshighpotency.(d)Isexcretedmainlyintothebileandurineunchanged.(e)HasanED95doseof0.6mgkg-1.6.Thefollowingarecausesofdirectmaternaldeaths:(a)Pulmonaryembolus.(b)Suicide.(c)Haemorrhage.(d)Roadtrafficaccident.(e)Failedintubation.7.Regardingoxytocin:(a)Itcancauseseverehypertension.(b)Itshouldalwaysbeadministeredasanintravenousinfusion.(c)Thebestdoseafterdeliveryis5iu.(d)AdministrationshouldfollowBritishNationalFormularyguidelines.(e)Itshouldalwaysbeadministeredbyananaesthetist.8.Regardingwomenwithcongenitalheartdisease:(a)Theyareatincreasedriskofdirectmaternaldeaths.(b)Theyareatincreasedriskofindirectmaternaldeaths.(c)Theyshouldalwaysbedeliveredinacardiaccentre.(d)TheyshouldalwaysbedeliveredbyCaesareansection,withacarefulregionalblockbeingthetechniqueofchoice.(e)Regionaltechniquesmaybecontraindicated.9.Directmaternaldeaths:(a)Aremostcommonly