routes of drugs administration

Question 1

a process by which drugs enter blood stream without being chemically altered

Answer 1

drug absorption

Question 2

factors influencing rate of absorptions

Answer 2

physiochemical properties of drugs
routes of administration
dosage form
circulation at site of absorption
drug concentration

Question 3

mechanism of absorption

Answer 3

passive diffusion
filtration
endocytosis
active transport

Question 4

routes of drug administration

Answer 4

enteral [ placed directly into gastrointestinal truct]
parenteral

Question 5

enteral routes

Answer 5

sublingual or buccal; placed under tongue
oral
rectum

Question 6

parenteral routes

Answer 6

intravascular
intramuscular
subcutaneous
intravenous

Question 7

intravenous

Answer 7

has precise and accurate onset of action
large amount can be given
has high risk of adverse effects
30 to 60 sec

Question 8

intramuscular

Answer 8

pain at injection sites
for oily or suspension drugs
10 to 20 min

Question 9

subcutaneous

Answer 9

slow absorption
absorption limited by blood flow
15 to 30 min

Question 10

inhalation

Answer 10

for gaseous, volatile substances and aerosols
rapid onset of action due to rapid reach circulation
2 to 33 min