Pharmaceutics II Incompatibility MCQs

Pharmaceutics II Incompatibility MCQs

Practice Test

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1. There are..........types Of Incompatibilities.
   1.   1
   2.   2
   3.   3
   4.   4
2. Liquefaction is the example of..............incompatibility.
   1.   Immediate
   2.   Delayed
   3.   Instantaneous
   4.   Both A and B
3. Crystallization is an example of...............Incompatibility.
   1.   Immediate
   2.   Delayed
   3.   Instantaneous
   4.   Both A and B.
4. Physical change may almost be............
   1.   Visible
   2.   Invisible
   3.   Turbid
5. .................Compatibility may be corrected by altering the order of mixing.
   1.   Delayed
   2.   Immediate
   3.   Tolerated
   4.   Adjusted
6. When substances with low melting points such as camphor ae triturated together a liquid mixture is formed the phenomenon is called ------
   1.   Liquefaction
   2.   Insolubility
   3.   Herapath formation
   4.   Eutectic mixture formation.
7. Strategy to correct eutectic mixture formation is,
   1.   Dispense ingredients separately
   2.   Mix ingredients separately with suitable adsorbent like kaolin and finally mix together.
   3.   Both A & B
   4.   Only B
8. Immiscibility of oil and water can be overcomed by,
   1.   Formulating an emulsion
   2.   Formulating suspension
   3.   Formulating an insufflation
   4.   Formulating an elixir
9. Chemical incompatibility can be intentional i.e. a prescriber knowingly gives incompatible drugs, or unintentional i.e. prescriber does not know that the drugs are incompatible.
   1.   True
   2.   False
10. Chemical incompatibility in which change in formulation is needed is called as,
    1.   Tolerated incompatibility
    2.   Adjusted incompatibility.
11. Chemical incompatibility which can be reduced by using dilute solutions or simply changing the order of mixing is called,
    1.   Tolerated incompatibility.
    2.   Adjusted incompatibility.
12. What will happen when you triturate an oxidizing substance like Potassium chlorate with an oxidizable substance like sulphur?
    1.   Liquefaction
    2.   Precipitate
    3.   Explosion
    4.   Eutectic mixture
13. Tincture of Myrrh precipitates on addition of water, this can be rectified by,
    1.   Changing solvent
    2.   Adding an emulsifying agent
    3.   Both A & B
    4.   None of the above
14. In the mixing of thymol and menthol the following type of incompatibility occurs,
    1.   Chemical incompatibility
    2.   Therapeutic incompatibility
    3.   Physical incompatibility
    4.   Tolerance incompatibility.
15. Which of the following will happen during compounding this prescription.
    Sodium bicarbonate 1.5g
    Borax 1.5g
    Phenol 0.75g
    Glycerin 25 ml
    Water to 100ml
    
    Prepare a spray
    
    1.   Effervescence of Co2
    2.   Precipitate formation of sodium borate
    3.   Precipitate formation of bromophenol
    4.   There is no incompatibility