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Cardiotonics Study Guide Quiz

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Questions and Answers

What happens when you stimulate Beta 1 receptors?

Sympathetic outflow reduction/pain relief

Vasoconstriction

Relaxation of bronchioles

Increase in heart rate, contractility, and cardiac output (correct)

What is a sympathomimetic drug?

Drugs that cause vasodilation

Drugs that inhibit the sympathetic nervous system

Drugs that mimic the sympathetic nervous system 'fight or flight' (correct)

Drugs that mimic the parasympathetic nervous system

What happens when you stimulate Alpha 2 receptors?

Sympathetic outflow reduction/pain relief (correct)

Increase in heart rate, contractility, and cardiac output

Vasoconstriction

Relaxation of bronchioles

What is a catecholamine drug?

Drug that cannot cross the blood-brain barrier Signup and view all the answers

What happens when you stimulate Dopamine receptors at low doses?

Dilation of kidneys Signup and view all the answers

What is a non-catecholamine sympathomimetic drug?

Drug that can be given orally Signup and view all the answers

What happens when you stimulate Beta 2 receptors?

Relaxation of bronchioles Signup and view all the answers

Which medication is indicated for orthostatic hypotension?

Midodrine Signup and view all the answers

Which medication is a selective beta 1 agonist with some central alpha 2 agonist activity?

Dobutamine Signup and view all the answers

Which medication is the first-line treatment for anaphylactic shock and cardiac arrest?

Epinephrine Signup and view all the answers

Which medication is indicated for nasal congestion and as a last choice for hypotension due to shock?

Phenylephrine Signup and view all the answers

Which medication is a potent beta 1 agonist that increases contractility and heart rate?

Dopamine Signup and view all the answers

Which medication stimulates alpha 1 receptors in peripheral arterioles and veins, causing vasoconstriction?