Week One Medications Pharmacology & Actions

Question 1

albuterol
(pharmacology & actions)

Answer 1

Selective beta-e adrenergic agonist that:
– causes bronchial smooth muscle relaxation – inhibits mediator release from mast cells

Question 2

aspirin
(pharmacology & actions)

Answer 2

–> prevents thromboxane A2 formation
(thromboxane A2 causes platelets to aggregate and form plugs)
–> antipyretic properties
–> analgesic properties

Question 3

epinephrine
(pharmacology & actions)

Answer 3

Catecholamine with:
–strong alpha-1 effects
–moderate beta-2 effects
Increases:
– heart rate (chronotrope)
– myocardial contractility (inotrope)
– electrical conduction speed (dromotrope)
Secondary relaxation effect on the smooth muscle of:
– stomach – uterus
– intestine – bladder

Question 4

naloxone hydrochloride
(pharmacology & actions)

Answer 4

Competitive inhibition at opioid receptor sites
Reverses opioid-induced respiratory depression and sedation

Question 5

nitroglycerin
(pharmacology & actions)

Answer 5

Reduces:
– peripheral vascular resistance
– preload
– afterload
– cardiac workload
– myocardial oxygen demand
Smooth muscle relaxant which acts on smooth muscle of:
– uterus
– intestine
– bronchial tree
– blood vessels
Dilates peripheral arterioles and veins

Question 6

glucose, oral
(pharmacology & actions)

Answer 6

Increases blood glucose

Question 7

oxygen
(pharmacology & actions)

Answer 7

Reverses hypoxemia