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65. Smartphones have made iteasy for us to stay connected at all times. Your smartphone is one of the greatest tools you can own to protect yourself and your family in dangerous situations --with your phone atyour side, help is onlythree numbers away. Dial 911 or another local emergency number in emergencies such as a fire, traffic accident or medical emergency. Remember, an emergency call is a free call on your cell phone!

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分光光度计使用过程中,用于调整透射比为100%的是

A. 黑体
B. 标准溶液
C. 空白溶液
D. 待测溶液

利用分光光度法测定血清总蛋白浓度,待测溶液吸光度为0.200,标准溶液吸光度为0.250,标准液浓度为70g/L,则待测血清总蛋白浓度为

A. 87.5g/L
B. 56g/L
C. 60g/L
D. 75g/L

拿取比色杯时,手指只能接触粗糙面。

A. 对
B. 错

血清总胆固醇测定时,总胆固醇包括______、_________。

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