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Adrenergic Receptors and Catecholamines Quiz

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Adrenergic Receptors and Catecholamines Quiz

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Questions and Answers

Which of the following is a key property of endogenous catecholamines?

They have a longer duration of action than non-catecholamine agonists.

They do not overstimulate adrenergic receptors.

They are not metabolized by MAO and COMT.

They are not orally administered. (correct)

What is the primary indication for using epinephrine in the treatment of anaphylactic shock?

It acts as a physiological antagonist to histamine. (correct)

It is a potent vasoconstrictor to reduce bleeding.

It is a first-line cardiac stimulant.

It counteracts the effects of excessive vasodilation.

What is the primary mechanism by which non-catecholamine agonists are more effective than endogenous catecholamines?

They do not overstimulate adrenergic receptors.

They have a longer duration of action.

They are not substrates for COMT and MAO. (correct)

They are more potent vasoconstrictors.

Which of the following is a potential adverse effect of endogenous catecholamines?

Hyperglycemia. Signup and view all the answers

Which of the following is the primary indication for using norepinephrine in the management of shock states?

It is a potent vasoconstrictor. Signup and view all the answers

Which of the following selective alpha-1 agonists is FDA-approved for the management of hypertension in pregnant women?

Methyldopa Signup and view all the answers

Which of the following selective alpha-2 agonists is commonly used to facilitate abstinence from opioid dependence?

Clonidine Signup and view all the answers

Which of the following non-selective beta agonists was previously used to treat bronchial asthma?

Isoproterenol Signup and view all the answers

Which of the following selective beta-2 agonists is considered a short-acting beta-2 agonist (SABA) for the treatment of asthma exacerbations?

Salbutamol Signup and view all the answers

Which of the following is a tocolytic agent used for the management of premature labor?

Isoxsuprine Signup and view all the answers