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