Cardiovascular Pharmacology Quiz

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What is the primary reason to avoid excessive tachycardia in patients treated with vasopressors or inotropes?

To decrease the risk of dysrhythmias.

To prevent myocardial ischemia. (correct)

To improve coronary vasodilation.

To reduce skin necrosis.

What is the primary reason for administering vasopressors via a central vein whenever possible?

To prevent skin necrosis.

To avoid peripheral extravasation. (correct)

To reduce the risk of dysrhythmias.

To improve coronary vasodilation.

What is the primary effect of beta-adrenergic receptor stimulation on myocardial oxygen consumption?

Variable effect on myocardial oxygen consumption.

Increased myocardial oxygen consumption. (correct)

Decreased myocardial oxygen consumption.

No effect on myocardial oxygen consumption.

What is the purpose of daily electrocardiograms on patients treated with vasopressors or inotropes?

To screen for myocardial ischemia. Signup and view all the answers

What is the recommended dosage range of phentolamine for local treatment of peripheral extravasation of vasopressors?

5 to 10 mg i.m. Signup and view all the answers

What is the sample size of the randomized trial that compared the frequency of dysrhythmias between patients who received dopamine and norepinephrine?

1679 patients Signup and view all the answers

Which of the following is a potential consequence of peripheral extravasation of vasopressors?

Excessive local vasoconstriction Signup and view all the answers

What is the primary reason for administering vasopressors via a central vein whenever possible?

To minimize the risk of infiltration Signup and view all the answers

Which of the following statements is true regarding the frequency of dysrhythmias in patients who received dopamine and norepinephrine?

Dysrhythmias were significantly more common among patients who received dopamine than among those who received norepinephrine. Signup and view all the answers

What is the primary effect of beta-adrenergic receptor stimulation on myocardial oxygen consumption?

It can increase myocardial oxygen consumption. Signup and view all the answers

What is the potential consequence of peripheral extravasation of vasopressors?

Excessive local vasoconstriction with subsequent skin necrosis. Signup and view all the answers

What is the primary reason for administering vasopressors via a central vein whenever possible?

To avoid peripheral extravasation and subsequent skin necrosis. Signup and view all the answers

What is the primary reason to avoid excessive tachycardia in patients treated with vasopressors or inotropes?

Impaired diastolic filling of the coronary arteries. Signup and view all the answers

What is the purpose of daily electrocardiograms on patients treated with vasopressors or inotropes?

To screen for occult ischemia. Signup and view all the answers

What is the recommended dosage range of phentolamine for local treatment of peripheral extravasation of vasopressors?

5 to 10 mg Signup and view all the answers

Which of the following is true regarding the effect of vasopressors on coronary vasodilation?

There is usually coronary vasodilation in response to vasopressors. Signup and view all the answers

What was the percentage of dysrhythmias among patients who received dopamine in the randomized trial?

24.1 percent Signup and view all the answers

Cardiovascular Pharmacology Quiz

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Questions and Answers

What is the primary reason to avoid excessive tachycardia in patients treated with vasopressors or inotropes?

What is the primary reason for administering vasopressors via a central vein whenever possible?

What is the primary effect of beta-adrenergic receptor stimulation on myocardial oxygen consumption?

What is the purpose of daily electrocardiograms on patients treated with vasopressors or inotropes?

What is the recommended dosage range of phentolamine for local treatment of peripheral extravasation of vasopressors?

What is the sample size of the randomized trial that compared the frequency of dysrhythmias between patients who received dopamine and norepinephrine?

Which of the following is a potential consequence of peripheral extravasation of vasopressors?

What is the primary reason for administering vasopressors via a central vein whenever possible?

Which of the following statements is true regarding the frequency of dysrhythmias in patients who received dopamine and norepinephrine?

What is the primary effect of beta-adrenergic receptor stimulation on myocardial oxygen consumption?

What is the potential consequence of peripheral extravasation of vasopressors?

What is the primary reason for administering vasopressors via a central vein whenever possible?

What is the primary reason to avoid excessive tachycardia in patients treated with vasopressors or inotropes?

What is the purpose of daily electrocardiograms on patients treated with vasopressors or inotropes?

What is the recommended dosage range of phentolamine for local treatment of peripheral extravasation of vasopressors?

Which of the following is true regarding the effect of vasopressors on coronary vasodilation?

What was the percentage of dysrhythmias among patients who received dopamine in the randomized trial?

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