Pharmaceutics Exam 1 #2

Question 1

What are the two ways the rate of settling can be modified

Answer 1

decreasing the density between the density of the solid and liquid, increasing the viscosity of the fluid

Question 2

Which suspending agent keeps a drug in suspension

Answer 2

Methylcellulose

Question 3

T/F: Coalesence is irreversible and will cause a product that cant be used

Answer 3

True

Question 4

When an HLB is less than 10 is it hydrophillic or hydrophobic, greater than 10

Answer 4

hydrophobic, hydrophillic