The Ultimate Drugs And Pharmaceuticals Quiz

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1/18 Questions

Calcium channel blockers inhibit contraction of which one?
- Arteries
- Veins

The Ultimate Drugs And Pharmaceuticals Quiz - Quiz

2.

Which is the least potent vasodilator?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Diltiazem
3.

Even though this calcium channel blocker is not the most potent, at doses that cause peripheral vasodilation it has more direct negative chronotropic, dromotropic, and inotropic effects than do the most potent drug. Which drug is this?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Verapamil
4.

Verapamil is classified as which of the following?
- Phenylalkylamines
- Benzothiazepines
- Dihydropyridines
Correct Answer

A. Phenylalkylamines
5.

Diltiazem is classified as which of the following?
- Phenylalkylamines
- Benzothiazepines
- Dihydropyridines
Correct Answer

A. Benzothiazepines
6.

Which is the most potent vasodilator?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Nifedipine
7.

Nifedipine and Amlodipine are classified as which of the following?
- Phenylalkylamines
- Benzothiazepines
- Dihydropyridines
Correct Answer

A. Dihydropyridines
8.

Blockade of L type calcium channels (by calcium channel blockers) has a direct negative ___ effect on the heart.
- Inotropic (force of contraction)
- Chronotropic (heart rate)
- Dromotropic (conduction)
Correct Answer

A. Inotropic (force of contraction)

Explanation

Calcium channel blockers also have direct negative chronotropic, and dromotropic effects depending on the class of Calcium channel blocker.

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9.

Which drugs do not have significant direct effects on the AV conduction system or the SA node, therefore they do not have direct effects on conduction or automaticity.
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Nifedipine
10.

The calcium channel blockade caused by which of the following drugs is "use dependent" which means that these drugs are more effective if the channels are frequently opening and closing (e.g. tachycardia)?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer(s)

A. Verapamil
A. Diltiazem
11.

Aggregation of MI due to excessive vasodilation is seen more commonly with which calcium channel blocker?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Nifedipine
12.

Which of the following calcium channel blockers have no known side effects with the intravenous route of administration?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Nifedipine
13.

Calcium channel blockers have little or no effect on which of the following?
- Veins
- Arteries
- Preload
- Afterload
Correct Answer(s)

A. Veins
A. Preload
14.

Which of the following drugs bind preferentially to the inactivated state of the channel and thus keep the channels inactivated for a longer period of time?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer(s)

A. Verapamil
A. Diltiazem
15.

Which of the following calcium channel blockers causes VASODILATION of arterial resistance vessels, decreased AFTERLOAD, and a reflex increase in sympathetic stimulation of the heart? The overall effect is an INCREASE in cardiac output.
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Nifedipine
16.

Reflex actions of the sympathetic nervous system are more profound in which calcium channel blocker?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Nifedipine
17.

Which calcium channel blocker can worsen heart failure and induce constipation?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Verapamil
18.

Which calcium channel blocker has adverse effects of nausea and ankle edema?
- Verapamil
- Diltiazem
- Nifedipine
Correct Answer

A. Diltiazem

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Mar 19, 2022

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Dec 14, 2010

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The Ultimate Drugs And Pharmaceuticals Quiz

Calcium channel blockers inhibit contraction of which one?

Quiz Preview

Which is the least potent vasodilator?

Even though this calcium channel blocker is not the most potent, at doses that cause peripheral vasodilation it has more direct negative chronotropic, dromotropic, and inotropic effects than do the most potent drug. Which drug is this?

Verapamil is classified as which of the following?

Diltiazem is classified as which of the following?

Which is the most potent vasodilator?

Nifedipine and Amlodipine are classified as which of the following?

Blockade of L type calcium channels (by calcium channel blockers) has a direct negative ___ effect on the heart.

Which drugs do not have significant direct effects on the AV conduction system or the SA node, therefore they do not have direct effects on conduction or automaticity.

The calcium channel blockade caused by which of the following drugs is "use dependent" which means that these drugs are more effective if the channels are frequently opening and closing (e.g. tachycardia)?

Aggregation of MI due to excessive vasodilation is seen more commonly with which calcium channel blocker?

Which of the following calcium channel blockers have no known side effects with the intravenous route of administration?

Calcium channel blockers have little or no effect on which of the following?

Which of the following drugs bind preferentially to the inactivated state of the channel and thus keep the channels inactivated for a longer period of time?

Which of the following calcium channel blockers causes VASODILATION of arterial resistance vessels, decreased AFTERLOAD, and a reflex increase in sympathetic stimulation of the heart? The overall effect is an INCREASE in cardiac output.

Reflex actions of the sympathetic nervous system are more profound in which calcium channel blocker?

Which calcium channel blocker can worsen heart failure and induce constipation?

Which calcium channel blocker has adverse effects of nausea and ankle edema?