Pharmacology Flashcards
(177 cards)
In the elderly, anticholinergics can exacerbate _____________, contributing to cognitive decline
Alzheimer’s
Pathways that convert a drug to a metabolite of greater, lesser or the same metabolic activity are (Phase I/ Phase II)
Phase I
What is Beer’s criteria?
A list of drugs and reasons not to prescribe them to old people
Which if the following is most likely to contribute to a fall in a geriatric pt? (A) Acetaminophen. (B) Hydrochlorothiazide. (C) Amitriptyline. (D) Calcium carbonate. (E) Pravastatin.
Amitriptyline
Psychoactive medications such as amitriptyline are associated with a high risk of falls
Which one of the following medications can you give without adjusting for patient age? (A) Metoprolol. (B) Digoxin. (C) Diazepam. (D) Furosemide
Metoprolol
is metabolized in
the liver through phase II reactions
Which has the adverse side effect of anorexia, nausea, vomiting and abdominal pain? (A) Aspirin (B) Furosemide (C) Digoxin (D) Lisinopril (E) Acetaminophen
Digoxin
What are the 3 ways to stimulate a gastric parietal cell to produce acid?
- gastrin
- histamine
- Acetylcholine
Where do 1. gastrin 2. histamine 3. Acetylcholine come from?
gastin: g-cells
histamine: mast cells
Acetylcholine: vagal stim
What is the effect of atropine on the stomach?
reduce acid secretion, reduce spasm
What is propantheline used for?
reduce stomach acid secretion, reduce spasm
What are the antihistamines for acid reflux?
- cimetidine
- ranitidine
- famotidine
- nizatidie
How are H2 blockers eliminated?
CYP 450 in liver
What time of day should PPI’s be taken?
before breakfast, parietal cells must be “turned-on” before PPI’s can inhibit
What PPI can be given IV?
Pantoprazole
What are the H+/K+ ATPase inhibitors?
- Omeprazole
- Landsoprazole
- Raberprazole
- Esomeprazole
- Pantoprazole
What are bismuth salts and sucralfate used for?
coat stomach ulcer craters, ulcer treatment esp. H. pylori
What drug should be give for NSAID induced gastric ulcers?
misoprostol
What is ‘quadruple therapy’?
- PPI 2x daily
- tetracycline
- bismuth
- metronidazole
what is advantage of liquid prep antacids?
speed, they are faster
What are the 2 promotility agents for GERD?
- Metochlopramide
2. Cisapride
What is the mechanism for Metochlopramide and Cisapride?
Dopamine agonist -> increase motor tone of LES and stomach
The trade name of British anti-Lewisite is ___________
Dimercaprol
The trade name for 2,3-dimercaptosuccinic acid is __________
Succimer
What do British anti-lewisite, BAL and 2,3-dimercaptosuccinic acid treat?
Arsenic, lead and mercury poisoning