Date | May 2012 | Marks available | 2 | Reference code | 12M.3.sl.TZ1.D1 |
Level | SL | Paper | 3 | Time zone | TZ1 |
Command term | List | Question number | D1 | Adapted from | N/A |
Question
Drugs are most commonly taken orally.
Drugs are most commonly taken orally.
(a) State one advantage and one disadvantage of this.
Advantage:
Disadvantage:
List three methods, other than orally, that can be used for the administration of a drug.
Markscheme
Advantage:
easily taken/convenient / no specialist equipment needed;
Disadvantage:
stomach acid reacts with drugs / slow effect / only small fraction of drug absorbed / vomiting / requires conscious patient / harm digestive system/can cause stomach bleeding;
inhalation
parenteral / by injection / intravenous / intramuscular / subcutaneous
rectal
skin patches
eye/ear/nose drops
topical
Award [2] for all 3 correct, [1] for 2 correct, [0] for 1 correct.
Examiners report
In general, this question was well answered.
In general, this question was well answered.