pharmacokinetics Flashcards

1
Q

journey of drug through body

which bit is pharmacokinetic and what is pharmacodynamic

A
dose
plasma conc
target site
effect
clin outcome 

top 2 is kinetic
rest dyamic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

LADME

A
liberation 
absorption
distribution
metabolism
elimination
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

at Cmax what is equal

A

abs and elim

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Dl

A

initial dose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cmax

A

max plasms conc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

tmax

A

time to reach cmax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Vd

A

dist volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

C

A

plama conc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Dl=V x C is this right

A

yaa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

admin is split into

A

systematic and topical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what uses circulatory system to distribute the drug

A

sys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

which one is where the whole body is exposed to the drug

A

sys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

parameters influencing abs

A

physiochem prop of drug

admin route

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

passive diffusion follows

A

first order kinetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

fac diffusion uses

A

channel/carrier protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

active transport will follow

A

michaelis-menten kinetics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

different types of act trans

A

uniport
antiport
uniport coupled w a symport

18
Q

uniport

A

transport of a single drug

facilitate mode of diffusion accelarating a reaction that is thermodynamically favoured

19
Q

endocytosis

A

phagocytosis
pinocytosis
rec-med endocytosis

20
Q

phagocytosis

A

process of innate immune response and bridge between innate and acquired immune response

21
Q

pinocytosis

A

micropinocytosis

macropinocytosis

22
Q

Factors which influence bio availability

A

salt factor
bioequality
physiochem prop
co-admin of other drug
presence of cormobidity affecting abs sites
susceptible to gastric acid and digestive enzyme
degree of metabolism in gut mucosa and 1st pass

23
Q

salt factor

A

drugs not soluble therefore low bioavailability

increase sol, form as salt

24
Q

bioequality

A

ensure all drug has same bioav

25
what needs to be same in bioeq
Cmax, tmax and AUC
26
first pass effect s directly after ......... before reaching circ system
abs
27
blood flow dependant on
exercise | shock
28
drug binding
ionic bound | H bound
29
in plasma protein binding the drugs are held in plasma by
albumin lipoprotein a-acid glycoprotein
30
FU=
unbound conc/total drug conc
31
dist vol
Vd=D/C
32
Vd depend on
body weight | plasma protein bind
33
Cap beds are
contiuous fenestrated sinusoid
34
biotrasnfrmation in heptocytes
xeniotic active metabolism conjugate excrete
35
phase 1 included
func groups
36
phase 1 has enzymes located in
SER
37
enzymes in phase 1
oxygenases reductases hydrolytic enzymes
38
what is a prodrug
compound after admin metabolised into active compound
39
rate at which substrate is converted depnds on
turn over number
40
phase 2 `
catalysed by transferase | @ low conc- sulfonation faster