[{"data":1,"prerenderedAt":62},["ShallowReactive",2],{"q-nurse-111-2-basic-medicine-013":3},{"subject":4,"subjectSlug":5,"subjectFullName":6,"question":7,"related":32,"lastmod":61},"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-111-2-基礎醫學-013","nurse-111-2-basic-medicine-013",111,2,13,"決定血流速率大小，下列何者最不重要？",{"A":15,"B":16,"C":17,"D":18},"血液黏滯度","心跳速率","血管半徑","血管兩端壓力差","B",null,[],"本題考點為決定血流速率的因素。依 Poiseuille 定律，血流量由血管兩端壓力差、血管半徑（四次方）與血液黏滯度共同決定，其中半徑影響最大。心跳速率（B）主要影響單位時間的心輸出量，並非直接決定血管內某段血流速率的物理參數，相對最不重要，故選 B。A 血液黏滯度增高使血流阻力上升、流速下降；C 血管半徑是阻力的主要決定因子；D 壓力差為驅動血流的動力，三者皆為直接關鍵。","血流量 Q =（ΔP × πr⁴）\u002F（8ηL），阻力 R =（8ηL）\u002F（πr⁴）。半徑的四次方效應使血管口徑成為調控血流最有力的變數，微小收縮即大幅增阻。黏滯度與血比容相關，壓力差為驅動力。心率透過影響心輸出量間接改變血壓，但非公式中決定局部流速的直接項，故為最不重要者。可連結血壓 = 心輸出量 × 周邊阻力複習。",[25,28,29,30],{"term":26,"count":27},"Poiseuille 定律",1,{"term":17,"count":27},{"term":15,"count":27},{"term":31,"count":27},"壓力差",[33,37,42,47,51,56],{"webId":34,"stem":35,"number":36,"year":10,"session":11},"nurse-111-2-basic-medicine-014","下列何者具有最低的腎臟血漿清除率（renal clearance）？",14,{"webId":38,"stem":39,"number":40,"year":41,"session":11},"nurse-112-2-basic-medicine-010","軟腦膜（pia mater）在脊髓兩側伸出一韌帶附著到硬腦膜（dura mater），此韌帶為：",10,112,{"webId":43,"stem":44,"number":45,"year":46,"session":27},"nurse-113-1-basic-medicine-004","帕金森氏症（Parkinson's disease）的顫抖症狀肇因為何？",4,113,{"webId":48,"stem":49,"number":11,"year":50,"session":11},"nurse-114-2-basic-medicine-002","下列結構中，何者直徑最大？",114,{"webId":52,"stem":53,"number":54,"year":55,"session":27},"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？",6,106,{"webId":57,"stem":58,"number":59,"year":60,"session":27},"nurse-107-1-basic-medicine-040","下列何種傳染病最有可能侵犯主動脈之血管滋養管（vasa vasorum）導致動脈瘤之產生？",40,107,"2026-09-04",1788510737080]