問題詳情
15. 'Which of the following occurs when a skeletal muscle fiber contracts?
(A) The myosin head is bound to ATP.
(B) The myosin tail binds to actin, forming a cross-bridge.
(C) Releasing ADP and Pi, myosin fixes the thin filament.
(D) The tropomyosin is activated by ATP hydrolysis.
(E) c~+ entry into sarcoplasmic reticulum.
(A) The myosin head is bound to ATP.
(B) The myosin tail binds to actin, forming a cross-bridge.
(C) Releasing ADP and Pi, myosin fixes the thin filament.
(D) The tropomyosin is activated by ATP hydrolysis.
(E) c~+ entry into sarcoplasmic reticulum.
參考答案
答案：A
難度：困難0.214286
統計：A(3),B(2),C(3),D(2),E(0)
內容推薦
- The immediate, direct effect of auxin in cell elongation, according to the acid growth hypothesi
- V{nich of the following statements concerning the components of ATP synthase on inner membrane of
- Groups of plant or animal subpopulations which are spatially isolated but exchange individuals i
- The capillary system that serves the loop of Henle, is called(A) vas deferens. (B) macula densa.
- 'Which of the following does NOT occur during the Calvin cycle?(A) carbon fixation. (B) oxi
- 4 王先生的動脈血液氣體分析的結果如下：PaCO2 = 45 毫米汞柱，pH < 2，PaO2 = 75 毫米汞柱，HCO3 = 20 mEq/L，判讀應為： (A)呼吸性酸中毒 (B)呼吸
- Which of the following is INCORRECTLY paired?(A) hair cell-mechanoreceptor. (B) muscle spindle-me
- 9 依據美國紐約心臟學會對心臟病人之治療分級，如病人於一般活動不需限制、但應避免不尋常出力 或競賽性之活動，其分級屬第幾級？ (A)第 A 級 (B)第 B 級 (C)第 C 級 (D)第 D 級
- The thick band of nerve fibers that connect the right and left cerebral hemispheres in placental
- 'Which of the following processes is most directly driven by light energy?(A) Creation of a
內容推薦
- What is the reason for fluid being forced out of systemic capillaries at the arteriole end?(A) Th
- 8 承上題，依其心電圖檢查結果，白先生可能是下列那幾條血管阻塞？①左前下肢動脈 ②左旋動脈③右冠狀動脈 ④左冠狀動脈 (A)①④ (B)①② (C)②③ (D)③④
- 6 心肌梗塞後病患，於接受運動訓練時硝酸鹽類藥物對運動反應的可能相關影響，下列何者錯誤？(A)有姿勢性低血壓之危險 (B)可提升運動時之心絞痛閾值（anginal threshold） (C)會降低心
- The mechanism that is used by Drosophila melanogaster to prevent the shortening of the chromosom
- 7 下列何者是心臟移植患者常見的異常運動生理現象？(A)較低的休息心跳 (B)較多的心跳儲存量（heart rate reserve） (C)較高的左心室舒張末壓力（end-diastolic pre
- A precursor in the synthesis of the peptidoglycan of bacterial cell walls is UDP-:(A) galactose.
- 7 白先生三天前心肌梗塞胸痛暈厥，經家屬送往醫院接受緊急處置，在急診期間其心電圖檢查結果發現其第二（lead II）與第三導程（lead III）及單極肢誘導（aVF）看到 ST 節上升，同時在圖形上
- 'Which of the following statements on eukaryotic m.RNA is NOT true?(A) mRNA is usually capp
- ⑵若欲設計一滯洪池，試問可否由以上求得之Qp來進行？若不行，試問應採何種方式或公式？
- 5 下列有關血壓測量的說明，何者正確？(A)通常左臂血壓大於右臂，但差異在 10-20 mmHg 之間 (B)降壓的速度應維持在每次心跳降 2-4 mmHg (C)一般束帶的寬度為上手臂周長的 80%
- The completion of the S phase of the cell cycle of a mammalian cell is marked by all of the foll
- Which ofthe following is an example ofMiillerian mimicry?(A) Two species of unpalatable butterfl
- ___ ecologists would study the distribution of Taiwania c1yptomerioides in mountain areas of Tai
- 8 對於攝氧量之敘述，下列何者錯誤？(A)單位時間內身體所需的氧量，稱為攝氧量 (B) VO2（ml/min）= CO ×（a-v）O2 diff (C) VO2max（ml/min）= HRmax
- 10 下列何者不是病人必須停止運動測試的條件？(A) RER=2 (B)最大收縮壓 200-220 mmHg (C)達到最高心跳預期值 (D)平行 ST 節段（horizontal ST depr
- 10 下列何者不是循環系統老化常見的變化？(A) 部分肌纖維被結締組織取代 (B)心肌變大卻未必有力 (C)心內膜變薄 (D)瓣膜部分增厚與鈣化
- Which of the following is NOT a shared characteristic of all chordates?(A) dorsal, hollow nerve
- 13 下列何者無法降低腦瘤手術後病患之顱內壓？(A)過度通氣（hyperventilation） (B)使用巴比特酸鹽 (C)使用利尿劑 (D) CO2 分壓維持在 45 mmHg
- 11 王先生因右上腹疼痛且下肢腫脹加上有腹水的情形而住院檢查治療。在視診上發現其有明顯的頸靜脈突出，在胸骨的左側緣和劍突（xiphoid process）交界處聽到有第三心音及第四心音，則王先生可能
- 3 Natural selection is based on all of the following except(A) inheritance of acquired characteri
- 1在地圖上量得 方向角為 S2°W，另已知此處之製圖角為 4°W，磁偏角為 3°E，則下列敘述哪些正確？(A) 之坐標方位角為 182°(B) 之真方向角為 S2°E(C) 之磁方向角為 S5
- 14 有關運動測試的敘述，下列何者錯誤？(A) 運動測試時，應注意監測脈搏及血壓 (B)當受測者有頭暈、發紺、心絞痛發生時，應停止測試 (C)僅能使用極限運動量來測試受試者體能狀態 (D)運動測試時，
- 2 下列敘述何者不是葉太太接受優生保健諮詢的主要理由？(A)高齡產婦 (B)為了瞭解胎兒的狀況 (C)為了避免異常兒的發生 (D)為了瞭解先生是否有隱瞞疾病
- 一、電腦軟體（Computer software）的類別為何？（20 分）
- 11 依民國 88 年之優生保健法規定，懷孕婦女得依其自願施行人工流產的條件，不包括下列何者？(A)本人或其配偶患有礙優生之遺傳疾病者 (B)有醫學上之理由懷孕或分娩會招致生命危險者 (C)本人或其配