Nitroglycerin in Critical Care

Who synthesized nitroglycerin for the first time?

• Asiano Soero

• William Mural

• Alfred Nobel

• Eddie Watson

What is the primary mechanism by which nitroglycerin causes vasodilation?

• Conversion to nitric oxide

• Increasing heart rate

• Blocking beta receptors

• Inhibition of calcium channels

Which of the following is a primary FDA-approved indication for nitroglycerin?

• Asthma relief

• Migraine treatment

• Chest pain due to coronary artery disease

• Diabetes management

Which condition is a contraindication for nitroglycerin use?

• Hypertension

• Severe anemia

• Diabetes

• Asthma

What is the typical onset time for intravenous nitroglycerin?

• 30 seconds

• 5 minutes

• 10 minutes

• 2 to 3 minutes

What is the maximum dose range for nitroglycerin IV infusion in some facilities?

• 400 micrograms per minute

• 300 micrograms per minute

• 200 micrograms per minute

• 100 micrograms per minute

What is a common adverse effect of nitroglycerin due to its vasodilatory properties?

• Hypertension

• Headache

• Hyperactivity

• Increased appetite

Why is low sorb tubing recommended for nitroglycerin administration?

• To enhance patient comfort

• To prevent infection

• To reduce medication absorption by the tubing

• To increase medication potency

What is a rare consequence of nitrate overdose that requires methylene blue treatment?

• Hypokalemia

• Methemoglobinemia

• Hypertension

• Hyperglycemia

What should be continuously monitored in patients receiving nitroglycerin?

• Cholesterol levels

• Blood glucose levels

• Heart rate and blood pressure

• Liver enzymes