ICU Inotropes Quiz

What is the primary function of inotropes in cardiac treatment?

• To decrease heart rate

• To improve cardiac contractility

• To reduce blood pressure

• To increase blood sugar levels

Which receptors do catecholamines primarily affect?

• Alpha receptors

• Beta receptors

• Delta receptors

• Gamma receptors

What is the main use of epinephrine in medical treatment?

• As a sedative

• As an anti-inflammatory

• As a vasopressor

• As an antibiotic

Which medication is primarily used for its inotropic effect?

• Dobutamine

• Epinephrine

• Dopamine

• Isoproterenol

What is a potential side effect of dobutamine due to its action on beta 2 receptors?

• Hyperglycemia

• Hypertension

• Hypotension

• Bradycardia

Which medication is known for its strong impact on heart rate and is used for bradycardia?

• Epinephrine

• Isoproterenol

• Dobutamine

• Milrinone

What is the mechanism of action for phosphodiesterase inhibitors?

• Activating alpha receptors

• Inhibiting phosphodiesterase enzyme

• Blocking calcium channels

• Inhibiting adrenergic receptors

Which medication is a phosphodiesterase inhibitor commonly used in cardiac care?

• Epinephrine

• Milrinone

• Isoproterenol

• Dopamine

What is the effect of increased cyclic adenosine monophosphate (cAMP) in cardiac cells?

• Decreased contractility

• Increased contractility

• Decreased heart rate

• Increased blood pressure

What is the primary goal of using inotropes in patients with heart failure?

• To increase cardiac output

• To stabilize blood sugar

• To decrease cardiac output

• To reduce inflammation