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14.以空氣體積 0.125cm3 的游離腔量測劑量,當輸出劑量為 2 Gy 時,游離腔收集到的電荷量大約是多少 nC?【空 氣的密度為 0.001293 g/cm3, air =33.97 eV/ion pair】 (A)10.5 (B)9.5 (C)7.8 (D)4.8

35.心臟超音波使用氣泡懸浮液的顯影劑時,可能會誘發腎絲球微血管出血、局部細胞壞死的生物效應,最主要 原因為何? (A)顯影劑過敏 (B)強烈回聲反射 (C)空穴作用 (D)熱能生物效應

17 自然產後婦女有會陰傷口,產後以 41~43℃溫水執行坐浴,下列何者為其最主要目的? (A)促進傷口血液循環 (B)促進傷口肉芽形成 (C)具傷口防腐作用 (D)減少細菌繁殖

1. A titration was performed to find the concentration of hydrochloric acid with the following results:   The actual concentration of HCl was determined to be 0.100 M; the results of the titration are: (A) both accurate and precise. (B) accurate but imprecise. (C) precise but inaccurate. (D) both inaccurate and imprecise. (E) none of these

2. What mass of calcium chloride, CaCl2, is needed to prepare 500 mL of a 1.56 M solution? (Ca: 40.08, Cl: 35.45) (A) 86.6 g (B) 60.8 g (C) 111 g (D) 25.6 g (E) 70.6 g

3. One mole of an ideal gas is expanded from a volume of 1.00 liter to a volume of 10.00 liters against a constant external pressure of 1.00 atm. How much work (in joules) is performed on the surroundings? (T = 300 K; 1 L atm = 101.3 J) (A) 456 J (B) 912 J (C) 2740 J (D) 1824 J (E) none of these