Lecture 4 - Biopharmaceutics Flashcards Preview

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Flashcards in Lecture 4 - Biopharmaceutics Deck (11)
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1
Q

What 5 factors is biopharmaceutics dependent on?

A

1) Chemical nature
2) Physical state
3) Type of dosage form
4) Presence/absence of excipients
5) Pharmaceutical process

2
Q

Define pharmacokinetics

A

Study and characterization of the time course of drug absorption, distribution, metabolism, and excretion (ADME)

3
Q

Define biopharmaceutics

A

Relationship between the physical and chemical properties of a drug in a dosage form and the pharmacologic response after administration

4
Q

What is clinical pharmacokinetics?

A

The application of pharmacokinetic methods in drug therapy

5
Q

Define pharmacodynamics

A

The relationship between drug concentration at the site of action and pharmacologic response

6
Q

Define bioavailability

A

The rate and extent (amount) to which a drug is absorbed from a drug product into the body or site of action

7
Q

What must first happen to protein-bound drugs?

A

They must dissociate

8
Q

What 2 things occur prior to absorption?

A

Dissolution & disintegration

9
Q

How must proteins be administered and why?

A

IV because they cannot be absorb in gut

10
Q

What are responsible for drug uptake?

A

Transporters

11
Q

What model describes most clinically used drugs?

A

One compartment open model