[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"q-nurse-107-2-basic-medicine-025":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":34,"lastmod":64},"基礎醫學","basic-medicine","基礎醫學(包括解剖學、生理學、病理學、藥理學、微生物學與免疫學)",{"id":8,"webId":9,"year":10,"session":11,"subject":4,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"explanation":22,"explanationDeep":23,"topics":24,"freq":27},"nurse-107-2-基礎醫學-025","nurse-107-2-basic-medicine-025",107,2,25,"下列何種狀況有助於治療男性勃起（erection）障礙？",{"A":15,"B":16,"C":17,"D":18},"高濃度的 cGMP","高活性的 G protein","低濃度的 NO","低活性的 G protein","A",null,[],"本題考點在陰莖勃起的分子調控。勃起由一氧化氮(NO)活化鳥苷酸環化酶、提高細胞內 cGMP 濃度,使海綿體平滑肌鬆弛、血流灌注而完成,故有助於治療勃起障礙的是提高 cGMP 濃度,選 A。B 高活性 G protein 與 D 低活性 G protein 並非勃起的直接調控環節;C 低濃度 NO 會減少 cGMP 生成,反而使勃起更困難,方向錯誤。維持高 cGMP 是促成與延續勃起的關鍵,亦是相關藥物的作用邏輯。","勃起訊息鏈:性刺激→神經與內皮釋放 NO→活化鳥苷酸環化酶→cGMP 上升→平滑肌鬆弛、動脈擴張充血。cGMP 由第五型磷酸二酯酶(PDE5)分解;PDE5 抑制劑(如 sildenafil)阻止 cGMP 被分解,故延長勃起,這正呼應本題「高 cGMP 有利」的原理。可連結第二訊息傳遞者(cAMP\u002FcGMP)與血管平滑肌調控複習。",[25,28,30,32],{"term":26,"count":27},"cGMP",1,{"term":29,"count":27},"一氧化氮",{"term":31,"count":27},"陰莖勃起",{"term":33,"count":27},"PDE5",[35,39,44,48,53,58],{"webId":36,"stem":37,"number":38,"year":10,"session":11},"nurse-107-2-basic-medicine-026","關於紅血球的敘述，下列何者錯誤？",26,{"webId":40,"stem":41,"number":42,"year":43,"session":27},"nurse-108-1-basic-medicine-042","下列何種狀況與紅色梗塞關聯性最小？",42,108,{"webId":45,"stem":46,"number":47,"year":43,"session":11},"nurse-108-2-basic-medicine-056","有關治療肺結核藥物 isoniazid 的藥理作用相關敘述，下列何者錯誤？",56,{"webId":49,"stem":50,"number":51,"year":52,"session":27},"nurse-110-1-basic-medicine-014","依照大腸（large intestine）前後排列之順序，下列何者在最前端？",14,110,{"webId":54,"stem":55,"number":56,"year":57,"session":27},"nurse-111-1-basic-medicine-058","血管緊縮素轉換酶抑制劑用於治療充血性心衰竭病人，其作用機轉為何？",58,111,{"webId":59,"stem":60,"number":61,"year":62,"session":63},"nurse-112-3-basic-medicine-022","下列何者不是下肢深部靜脈血栓（deep venous thrombosis）常引起的臨床表現？",22,112,3,"2026-09-04",1788510723492]