Inotropes and Their Mechanisms

What is the primary function of inotropes in cardiac treatment?

• To increase blood sugar levels

• To reduce blood pressure

• To improve cardiac contractility

• To decrease heart rate

Which receptors do catecholamines primarily affect?

• Delta receptors

• Alpha receptors

• Beta receptors

• Gamma receptors

What is the main use of epinephrine in medical treatment?

• As a sedative

• As a vasopressor

• As an antibiotic

• As an anti-inflammatory

Which medication is primarily used for its inotropic effect?

• Epinephrine

• Dopamine

• Dobutamine

• Isoproterenol

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

• Bradycardia

• Hyperglycemia

• Hypotension

• Hypertension

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

• Dobutamine

• Isoproterenol

• Milrinone

• Epinephrine

What enzyme do phosphodiesterase inhibitors target?

• Monoamine oxidase

• Acetylcholinesterase

• Phosphodiesterase

• Adenylate cyclase

What is the primary effect of milrinone in cardiac treatment?

• Increases heart rate

• Decreases blood pressure

• Increases cardiac contractility

• Reduces inflammation

Which of the following is a phosphodiesterase inhibitor?

• Milrinone

• Isoproterenol

• Dopamine

• Epinephrine

What is the ultimate goal of using inotropes in patients?

• To decrease cardiac output

• To increase cardiac output

• To stabilize blood glucose

• To reduce anxiety