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EE Chapter 39 Pharmaceutical Analysis Q&A (1 OF 40) Sample Questions

1. Lyophilization (freeze dry method) technique used in:
I. Sterilization of liquids and solids
II. Sterilization of solids only
III. To dry heat-sensitive wet powders

A. A. I only
B. B. III only
C. C. I and II only
D. D. II and III only
E. E. All are correct

Answer

Ans: B

Tips: Freeze dryer is used for the conversion of wet powders to dry powders.

Strategic thinking:
1. Read the question. This is a K-type of question that asks you the right combination choices.
2. Look for the cues and keywords. Your cue here is used. Keyword is lyophilization. Instantly, from the choices, I and II are incorrect in the sense that freeze drying is not a sterilization method on its own. That only leaves you with the III choice.
3. Therefore the answer is B.

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