PBI part 3: pharmacology Flashcards
Name the 8 different ways to absorb drugs
1) Inhalation
2) Topic/dermal
3) Injection
4) Ingestion (pills)
5) Rectal/vaginal
6) Nasal
7) Ocular
8) otic
What is the fastest route of injection?
Epidural
What is the second fastest route of injection?
Intravenous
What is a disadvantage of an epidural
Cannot be reversed
What is a disadvantage of an IV
Could be dangerous
How fast is an intramuscular injection absorbed
10-30 minutes
Name one side effect of an intramuscular injection
Pain/irritation
Which injection technique is slow and has a steady rate of absorption
Subcutaneous
Name two advantages of the oral route
1) Convenient: No pain
2) Cheap: no need for sterilization
Name 3 disadvantages of the oral route
1) 1st pass effect
2) Can vomit it
3) Not convenient if the patient is unconscious
What is the first-pass effect
Once drugs are in the blood they go through the liver and the liver’s enzymes might degrade the dosage
Name 2 advantages of the Rectal route
1) By pass the liver
2) Appropriate for unconscious people
Name 2 disadvantages of the rectal route
1) Incomplete absorption
2) Not well-accepted
What is the slowest route of drug absorption
Ingestion/oral