???? Pharmaceutics ????
???????? Preformulations ????????
1️⃣ Preformulation studies is about ensuring …
A. Efficacy
B. Stability
C. Saftey
D. All the above
2️⃣ Amorphous forms shows?
A. Poor solubility
B. Good solubility
C. Long range order
D. None
3️⃣ Crystal forms show this structure?
A. 2D
B. 3D
C. Short range
D. None
4️⃣ Two or more molecules are hydrogen bonded to each other?
A. Crystals
B. Polymorphs
C. Cocrystals
D. All
5️⃣ DSC is
A. Differential scanning calorimeter
B. Differential scattering calorimeter
C. Digital scanning calorimeter
D. None
6️⃣ X ray diffraction pattern indicates …
A. Solubility
B. Permeability
C crystalinity
D functional groups
7️⃣ SEM can analyse ?
A. Crystalinity and solubility
B. Flow property
C. Shape and size
D. Complexity
8️⃣ Bragg’s law define.. _
A. Solubility
B. Shape
C. Diffraction
D. All
9️⃣ Crystal forms shows _
A. Rapid duration of action
B. Short duration of action
C. Long duration of action
D. Onset of action
???? Estrone shows how many polymorphs
A. 4
B. 2
C. 3
D. None
Answer
1. D (all the above )
2. B (good solubility)
3. B (3D)
4. C (cocrystals)
5. A (differential scanning calomerimeter)
6. C ( crystalinity)
7. C ( shape and size)
8. C (diffraction)
9. C ( long duration of action)
10. C (3)
