Sympathomimetic agents

Which of the following drugs is a sympathomimetic agent?

• Salbutamol

• Atenolol

• Tyramine

• Prazosin

Sympathomimetic agents __________ heart rate and blood pressure

Which of the following is not a common side effect of sympathomimetic agents?

• Hypertension

• Tachycardia

• Bradycardia

• Anxiety

• Respiratory depression

Which of the following is a commonly used sympathomimetic agent in the treatment of anaphylaxis?

• Epinephrine

• Dopamine

• Isoproterenol

• Ephedrine

Which of the following is a potential side effect of using sympathomimetic agents for an extended period?

• Hypotension

• Bradycardia

• Tolerance

• Constipation

Which of the following is not a contraindication for using sympathomimetic agents?

• Hypertension

• Tachycardia

• Diabetes

• None of the listed

Sympathomimetic agents work by:

• Blocking sympathetic nerve transmission

• Stimulating sympathetic nerve transmission

• Inhibiting parasympathetic nerve transmission

• Stimulating parasympathetic nerve transmission

Which of the following are not metabolised by monoamine oxidase (MOA)?

• Adrenaline

• Isoprenaline

• Noradrenaline

• Dopamine

Which of the following is a drug is used to lower blood pressure during pregnancy?

• Labetalol

• Atenolol

• Prazosin

• Propranolol

1. Which enzyme is the rate-limiting step in the synthesis of noradrenaline?

• A. Dopamine β-hydroxylase

• B. Tyrosine hydroxylase

• Phenylethanolamine N-methyltransferase

• Monoamine oxidase