Pharmacology: Beta-Blockers
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Questions and Answers

What is a common source of cardiac glycosides?

  • Foxglove plants (correct)
  • Sunflower plants
  • Rose plants
  • Daisy plants

What is a contraindication for the use of vasodilators?

  • Heart failure
  • Hypertension
  • Diabetes
  • Known allergy to the drug (correct)

Why is it important to monitor serum electrolytes?

  • To avoid serious side effects (correct)
  • To monitor blood sugar levels
  • To monitor blood pressure
  • To monitor heart rate

What precaution should be taken when administering vasodilators?

<p>Avoiding individuals with a known allergy to the drug (A)</p> Signup and view all the answers

What do cardiac glycosides derive from?

<p>Digitalis (B)</p> Signup and view all the answers

Which of the following is not a contraindication for vasodilators?

<p>Hypertension (D)</p> Signup and view all the answers

What type of plants are associated with cardiac glycosides?

<p>Foxglove plants (C)</p> Signup and view all the answers

What is a consequence of administering vasodilators to individuals with a known allergy?

<p>An allergic reaction (B)</p> Signup and view all the answers

What should healthcare professionals avoid when prescribing vasodilators?

<p>Administering the drug to individuals with a known allergy (B)</p> Signup and view all the answers

What is the term for the group of drugs derived from digitalis?

<p>Cardiac Glycosides (C)</p> Signup and view all the answers

What should be alerted to diabetic clients when implementing beta-blockers?

<p>Possible hypoglycemic effect (B)</p> Signup and view all the answers

What is a potential side effect of beta-blockers that clients should be informed about?

<p>Sexual dysfunction (D)</p> Signup and view all the answers

Why is it important to alert diabetic clients about the possible hypoglycemic effect of beta-blockers?

<p>To prevent hypoglycemic episodes (C)</p> Signup and view all the answers

What is a key consideration when implementing beta-blockers in diabetic clients?

<p>Monitoring blood sugar levels (A)</p> Signup and view all the answers

What should healthcare providers inform clients about when prescribing beta-blockers?

<p>Both the possible hypoglycemic effect and the risk of sexual dysfunction (B)</p> Signup and view all the answers

What is a contraindication for cardiac glycosides?

<p>Allergy to any cardiac glycoside (D)</p> Signup and view all the answers

What is a precaution for cardiac glycosides?

<p>Avoiding allergy to any cardiac glycoside (B)</p> Signup and view all the answers

When should cardiac glycosides be avoided?

<p>When the patient is allergic to any cardiac glycoside (B)</p> Signup and view all the answers

What is a characteristic of cardiac glycosides?

<p>They are contraindicated in patients with allergy to any cardiac glycoside (A)</p> Signup and view all the answers

What is a consideration when prescribing cardiac glycosides?

<p>The patient's allergy to cardiac glycosides (D)</p> Signup and view all the answers

What is the primary purpose of using calcium channel blockers?

<p>To prevent angina when other drugs fail (D)</p> Signup and view all the answers

Which of the following is NOT a type of calcium channel blocker?

<p>Metoprolol (D)</p> Signup and view all the answers

Which calcium channel blocker is commonly used to treat hypertension?

<p>Nifedipine (A)</p> Signup and view all the answers

What is the effect of calcium channel blockers on the heart?

<p>Decrease heart rate and contractility (A)</p> Signup and view all the answers

Which of the following calcium channel blockers has a similar mechanism of action to verapamil?

<p>Diltiazem (A)</p> Signup and view all the answers

Study Notes

Beta-Blockers (β1)

  • Inform diabetic clients about the possibility of hypoglycemic effect when using beta-blockers
  • Warn clients about the potential for sexual dysfunction as a side effect

Vasodilators

  • Contraindicated in patients with a known allergy to the drug
  • Monitor serum electrolytes to prevent serious adverse effects

Cardiac Glycosides

  • Derived from digitalis, a substance found in foxglove plants
  • Contraindicated in patients with a known allergy to any cardiac glycoside
  • Often used when other drugs fail to prevent angina
  • Examples of calcium channel blockers: amlodipine, nifedipine, diltiazem, and verapamil

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Description

This quiz covers the implementation of beta-blockers, including their effects on diabetic clients and potential side effects such as sexual dysfunction.

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