[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-nurse-108-2-basic-medicine-019":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":24},"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,"freq":23},"nurse-108-2-基礎醫學-019","nurse-108-2-basic-medicine-019",108,2,19,"若血壓維持不變，血管半徑變為原來的兩倍，此時流經此條血管的血流量將變為：",{"A":15,"B":16,"C":17,"D":18},"2 倍","4 倍","8 倍","16 倍","D",null,[],"本題考點為血流量與血管半徑的關係,依循Poiseuille定律。該定律指出血流量與血管半徑的四次方成正比,當半徑變為原來的兩倍,血流量即變為2的四次方即16倍,故選D。A「2倍」誤把血流量與半徑當成一次方正比。B「4倍」誤以為與半徑平方成正比。C「8倍」誤以為與半徑三次方成正比。判斷關鍵在於牢記Poiseuille定律中半徑的指數是「四次方」而非一、二或三次方,因此半徑加倍會使血流量激增為16倍,這也說明血管口徑的微小變化即能劇烈改變血流。",1,[25,29,32,36,40,44],{"webId":26,"stem":27,"number":23,"year":28,"session":23},"nurse-106-1-basic-medicine-001","下列有關表皮的敘述，何者正確？",106,{"webId":30,"stem":31,"number":11,"year":28,"session":23},"nurse-106-1-basic-medicine-002","下列何者在組織學特徵上可區分為絲球帶（zona glomerulosa）、束狀帶（zona fasciculata）、網狀帶（zona reticularis）？",{"webId":33,"stem":34,"number":35,"year":28,"session":23},"nurse-106-1-basic-medicine-003","顴弓（zygomatic arch）是由顴骨與下列何者共同組成？",3,{"webId":37,"stem":38,"number":39,"year":28,"session":23},"nurse-106-1-basic-medicine-004","下列何者參與形成踝關節？",4,{"webId":41,"stem":42,"number":43,"year":28,"session":23},"nurse-106-1-basic-medicine-005","下列何者是維持背部直立最重要的肌肉？",5,{"webId":45,"stem":46,"number":47,"year":28,"session":23},"nurse-106-1-basic-medicine-006","行走於前臂的內側，並與上臂深層的靜脈會合成腋靜脈的是那一條血管？",6,1783840757219]