JNTU
JNTU B.Pharmacy I Year PHARMACEUTICS- I Previous Question Paper (April - 2023 - R17)
Note: i) Question paper consists of Part A, Part B.
ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions.
iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What is prescription? Give one example.
Answer
A prescription is a written order from a registered medical practitioner to a pharmacist to compound or dispense a specific medication for a patient. Example: Paracetamol tablets 500 mg, take one tablet thrice a day for three days.
What is pharmacopoeia and its uses?
Answer
A pharmacopoeia is an official book containing a list of medicinal drugs, chemicals, and pharmaceutical preparations along with their standards of purity, methods of assay, and storage conditions. Its uses include ensuring the quality, safety, and uniformity of pharmaceutical products and providing legal standards for manufacturing and testing.
Write the classification of powders.
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Convert 300 OP into %v/v and 25% v/v into degrees of proof.
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Define gargles and mouthwashes.
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What are the differences between flocculated and deflocculated suspensions?
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List out the advantages of suppositories.
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What is physical incompatibility and give any two examples with method to overcome?
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What are the excipients used in semisolid dosage forms with examples.
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Write about anyone evaluation test of ointments.
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Part B
How do you handle the prescription with a mention of the general errors in prescription and precautions to avoid those errors.
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What is posology? Write about different formulae used to calculate doses based on age, body weight and surface area with example.
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Discuss the history of development of pharmacy education in India.
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Write about Indian Pharmacopoeia along with its successive amendments.
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Calculate the i) Quantity of Sodium chloride required to prepare 325ml. of 1.2%w/v solution.
ii) Quantities of 50% v/v and 70% v/v alcohols required to prepare 150ml. of 50% v/v alcohol by alligation method.
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What are eutectic powders and methods to prepare such powders?
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i) How do you adjust the isotonicity of a 100ml of 1.6% atropine sulphate eye drops (freezing point depression of 1% atropine sulphate = 0.074).
ii) What are effervescent powders and its advantages.
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What are different techniques used for increasing solubility of drugs? Explain any two methods.
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What are Elixirs and methods of preparation. Give differences between syrups and elixirs
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What are different types of emulsions and how do you identify them.
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What are different types of suspensions and its methods of preparation.
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Elaborate different stability problems of emulsions and methods to overcome.
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What are suppositories? Write about suppository bases with examples.
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Identify the type of incompatibility and method to overcome it in the below formulation:
Rx
Quinine HCl -2gm.
Dil.H2SO4 -4ml.
KI -8 g
Water upto 100ml.
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Calculate the formula and write method for preparation of 10 suppositores of Bismuth subgallate each containing 400mg of drug using cocoa butter as base (DV of Bismuth subgallate = 3)
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What are various chemical incompatibilities and methods of preparation?
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Explain the mechanisms of penetration of drug through skin.
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Discuss about various methods used to prepare ointments.
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What are creams? Write the differences between ointments and creams.
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Describe the different ointments bases with its merits and demerits.
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