Quiz: Pharmacy Exam Preparation (NAPLEX Preparation) – 27

Buffer is the agent that is characterized by resistance to pH change. It is the combination of __________:

1. Strong acid and strong base

2. Weak acid and its conjugate base

3. Weak base and its conjugate acid

4. Both 2 and 3


The increase in pH decreases the solubility of ________________:

1. Weak bases

2. Weak acids

3. Buffer

4. Salt


The two phase system, suspension comprises of solid particles that are dispersed in the aqueous liquid or oil. The size of the dispersed particle for the suspension should be __________:

1. 0.5 μm

2. > 0.5 μm

3. < 0.5 μm

4. 5 μm


The inactivity of testosterone from oral route of administration is due to _____________:

1. Oxidation of 17-hydroxyl group to a ketone

2. Oxidation of 17-hydroxyl group to an aldehyde

3. Reduction of 15-hydroxyl group to ketone

4. Glucoronidation of 17-hydroxyl group to a ketone


Opioids are not used for the treatment of _______________:

1. Arthritis

2. Severe Chronic pain

3. Cough

4. Severe diarrhea


Further Reading:

Comprehensive Pharmacy Review for NAPLEX by Leon Shargel

https://amzn.to/3iwiIyB*

*affiliate link

Nagina Anwar

Nagina Anwar is Medical and Business graduate (Pharm. D - gold medalist, MPhil, MBA exec., B.Sc.). She is pursuing her career in the field of education and freelancing as a lecturer and content writer, respectively. Writing is her passion, which she is pursuing for the last 6 years. She is continuously unlocking new horizons with national and international projects.

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