Onset/Duration of Action

Question 1

Adenosine

Answer 1

Onset- Seconds
Peak Effects-Seconds
Duration of Action- 10-12 seconds

Question 2

Albuterol

Answer 2

Onset- 5-15 min
Peak Effects- 30 min to 2 hours
Duration of Action- 3 to 4 hours

Question 3

Amiodarone

Answer 3

Onset- Variable
Peak Effects- Variable
Duration of Effect- Half life may exceed 40 days

Question 4

Aspirin

Answer 4

Onset- 20 to 30 min
Peak Effects- 2 hours
Duration of Action- 4 to 6 hours

Question 5

Atropine

Answer 5

Onset- 1 min
Peak effects- IV- 2 to 5, IM 30 min
Duration of Action- 2 to 3 hour half life

Question 6

Calcium Chloride

Answer 6

Onset- Seconds
Peak Effects- 3 to 5 min
Duration of action- 15 to 30 min

Question 7

Dextrose

Answer 7

Onset- Seconds
Peak effects- Variable
Duration of action- Variable

Question 8

Diltiazem

Answer 8

Onset- Immediately
Peak effects- 2 hours or less
Duration of action- 4 to 6 hours

Question 9

Diphenhydramine

Answer 9

Onset- 5 to 10 min
Peak effects- 1 hour
Duration of Action- 3 to 6 hours

Question 10

Dopamine

Answer 10

Onset- Almost immediate
Peak effects- 5 to 10 min
Duration of action- Effects cease when infusion is off

Question 11

Epinephrine

Answer 11

Onset- Seconds
Peak effects- Minutes
Duration of action- Several minutes

Question 12

Glucagon

Answer 12

Onset- IV 1 min IM 8 to 10 min
Peak effects- IV 3 to 6 min IM 12 to 14 min
Duration of action- IV 20 min IM 12 to 27 min

Question 13

Ipatropium Bromide

Answer 13

Onset- 5 to 15
Peak effects- 1 to 2 hours
Duration of action- 4 to 8 hours

Question 14

Lidocaine

Answer 14

Onset- 1 to 5 min
Peak effects- 5 to 10 min
Duration of action- 20 min

Question 15

Magnesium Sulfate

Answer 15

Onset- seconds, 20 min for IV infusion (respiratory)
Peak effects- Not known
Duration of action- 24 hours or more

Question 16

Morphine

Answer 16

Onset- Seconds
Peak effects- 20 min
Duration of Action- 2 to 4 hours

Question 17

Naloxone

Answer 17

Onset- w/in 2 min IV
Peak effects- Variable
Duration of action- 45 min

Question 18

Nitro

Answer 18

Onset- Seconds
Peak effects- 5 to 10 min
Duration of action- 1-10 minutes post administration

Question 19

Solu-Medrol

Answer 19

Onset- 1 to 6 hours
Peak effects- 8 hours
Duration of action- 18 to 36 hours

Question 20

Thiamine

Answer 20

Onset- Hours
Peak effects- 3 to 5 days
Duration- Unavailable

Question 21

Midazolam

Answer 21

Onset- IM 15 min, IV immediate
Peak effects- IM 15 to 60 min., IV 3 to 5 min
Duration- 2 to 6 hours

Question 22

Zofran

Answer 22

Onset- 10 to 30 min
Peak effects- Unknown
Duration- 4+ hours

Question 23

Glucagon

Answer 23

Onset- IM 8 to 10 min
Peak effects- 12 to 14 min
Duration- 12 to 27 min