Epinephrine in Critical Care Quiz

What is another name for epinephrine commonly used outside the United States?

• Dopamine

• Serotonin

• Noradrenaline

• Adrenaline

Which receptor activation by epinephrine leads to increased heart rate?

• Alpha-1

• Beta-1

• Beta-2

• Alpha-2

Which of the following is a serious adverse effect of epinephrine?

• Stroke

• Tremors

• Headache

• Nausea

What is the most common concentration of epinephrine used in cardiac arrest?

• 2 mg/ml

• 0.5 mg/ml

• 0.1 mg/ml

• 1 mg/ml

In the treatment of anaphylaxis, why might epinephrine be administered intravenously in the ICU?

• Because it is less expensive

• To reduce the need for other medications

• For faster and more controlled onset

• To avoid side effects

What is the primary benefit of using racemic epinephrine for laryngeal edema?

• It reduces hydrostatic pressure

• It decreases blood pressure

• It increases heart rate

• It enhances blood sugar levels

How does epinephrine help in asthma cases unresponsive to other treatments?

• By increasing blood pressure

• By increasing blood sugar

• By causing bronchodilation

• By reducing heart rate

What is the role of epinephrine when combined with local anesthetics?

• To enhance the anesthetic's absorption

• To reduce the anesthetic's side effects

• To prolong the anesthetic's effect by vasoconstriction

• To increase the anesthetic's potency

Which concentration of epinephrine is typically used with local anesthetics?

• 1 to 100,000

• 1 to 50,000

• 1 to 10,000

• 1 to 1,000

What is the effect of alpha-1 activation by epinephrine in the context of local anesthetics?

• Reduces blood sugar

• Induces bronchodilation

• Causes vasoconstriction

• Increases heart rate