Atropine Classification and Dosage Quiz
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Questions and Answers

What is the generic name for the drug Atropine?

  • Acetylcholine
  • Atropine (correct)
  • Cholinesterase
  • Organophosphate

Which of the following is NOT an indication for Atropine?

  • AV nodal block at the Junctional level
  • Symptomatic Sinus Arrest or block
  • Hemodynamically compromised symptomatic bradycardia (non-AMI)
  • Myocardial infarction (AMI) (correct)

What is the maximum adult dose of Atropine for cardiac indications?

  • 3.0 mg (correct)
  • 0.04 mg/kg
  • 2.0 mg
  • 1.0 mg

For organophosphate poisoning in adults, what is the initial Atropine dose?

<p>2.0 mg (A)</p> Signup and view all the answers

Which of the following is a contraindication for Atropine?

<p>Angle-closure glaucoma (B)</p> Signup and view all the answers

What is the mechanism of action of Atropine?

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

Which of the following is NOT an adverse reaction of Atropine?

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

For pediatric organophosphate poisoning in children under 12 years old, what is the initial Atropine dose?

<p>0.05 mg/kg (D)</p> Signup and view all the answers

Which of the following is a caution for the use of Atropine?

<p>All of the above (D)</p> Signup and view all the answers

Atropine is unlikely to be effective for which of the following conditions?

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

What is the maximum adult dose of Atropine for cardiac indications?

<p>3 mg (A)</p> Signup and view all the answers

For pediatric organophosphate poisoning in children over 12 years old, what is the initial Atropine dose?

<p>1 mg IV (A)</p> Signup and view all the answers

Which of the following is a contraindication for the use of Atropine?

<p>Angle-closure glaucoma (B)</p> Signup and view all the answers

Which of the following is the mechanism of action of Atropine?

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

Which of the following is an adverse reaction of Atropine if given too slowly or below the minimum dose?

<p>Paradoxical bradycardia (C)</p> Signup and view all the answers

What is the initial Atropine dose for adult organophosphate poisoning?

<p>2-4 mg IV or higher doses as needed (D)</p> Signup and view all the answers

Which of the following is a caution for the use of Atropine?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is an indication for the use of Atropine?

<p>Symptomatic sinus bradycardia (A)</p> Signup and view all the answers

What is the generic name for the drug Atropine?

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

Which of the following conditions is Atropine unlikely to be effective for?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is a serious adverse reaction of Atropine if given too slowly or below the minimum dose?

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

For the treatment of organophosphate poisoning in adults, what is the initial dose of Atropine recommended?

<p>2-4 mg IV (B)</p> Signup and view all the answers

Which of the following is a contraindication for the use of Atropine?

<p>Angle-closure glaucoma (A)</p> Signup and view all the answers

What is the maximum adult dose of Atropine for cardiac indications?

<p>3 mg (D)</p> Signup and view all the answers

Which of the following is NOT an indication for the use of Atropine?

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

What is the mechanism of action of Atropine?

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

Which of the following is a caution for the use of Atropine?

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

For pediatric organophosphate poisoning in children under 12 years old, what is the initial Atropine dose?

<p>0.05 mg/kg IV (B)</p> Signup and view all the answers

Which of the following conditions is Atropine unlikely to be effective for?

<p>Infranodal (type II) AV block with wide QRS complexes (A)</p> Signup and view all the answers

Which of the following is NOT an adverse reaction of Atropine?

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

If a patient presents with symptomatic bradycardia due to an acute myocardial infarction (AMI), which statement regarding the use of Atropine is correct?

<p>Atropine should be used with caution, as it may increase myocardial oxygen demand in the presence of AMI. (B)</p> Signup and view all the answers

In the treatment of organophosphate poisoning, what is the recommended approach for administering Atropine in pediatric patients over 12 years old?

<p>Start with a dose of 1 mg and repeat with doubling doses every 5 minutes until muscarinic symptoms reverse. (D)</p> Signup and view all the answers

Which of the following statements about the mechanism of action of Atropine is incorrect?

<p>It causes constriction of the bronchioles, leading to bronchoconstriction. (A)</p> Signup and view all the answers

In the treatment of symptomatic sinus arrest or AV nodal block at the junctional level, what is the recommended maximum cumulative dose of Atropine for adult patients?

<p>3.0 mg (B)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in hypothermic bradycardia is correct?

<p>Atropine is unlikely to be effective in treating hypothermic bradycardia. (B)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in infranodal (type II) AV block or new third-degree block with wide QRS complexes is correct?

<p>Atropine may not be effective in treating these conditions. (C)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in patients with thyrotoxicosis is correct?

<p>Atropine is contraindicated in patients with thyrotoxicosis. (C)</p> Signup and view all the answers

In the treatment of organophosphate poisoning in pediatric patients under 12 years old, what is the recommended approach for administering Atropine if the initial dose of 0.05 mg/kg does not reverse muscarinic symptoms?

<p>Double the dose every 5 minutes until symptoms reverse. (B)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in patients with angle-closure glaucoma is correct?

<p>Atropine is contraindicated in patients with angle-closure glaucoma. (D)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in patients with tachyarrhythmias is correct?

<p>Atropine is used with caution in patients with tachyarrhythmias. (B)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in patients with acute myocardial infarction (AMI) is correct?

<p>Atropine should be used cautiously in AMI patients as it increases myocardial oxygen demand. (A)</p> Signup and view all the answers

In pediatric organophosphate poisoning, what is the recommended approach if the initial Atropine dose does not reverse muscarinic symptoms in children under 12 years old?

<p>Double the previous dose and repeat every 5 minutes until symptoms reverse. (B)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in patients with infranodal (type II) AV block or new third-degree block with wide QRS complexes is correct?

<p>Atropine may not be effective in these conditions. (A)</p> Signup and view all the answers

Which of the following statements regarding the mechanism of action of Atropine is correct?

<p>Atropine increases the rate of discharge at the SA and AV nodes by blocking the effects of acetylcholine. (D)</p> Signup and view all the answers

In the treatment of organophosphate poisoning in adults, what is the recommended initial dose of Atropine?

<p>2 to 4 mg intravenously, repeated every 5 minutes until muscarinic symptoms reverse. (C)</p> Signup and view all the answers

Which of the following statements regarding the use of Atropine in patients with hypothermic bradycardia is correct?

<p>Atropine is unlikely to be effective in hypothermic bradycardia. (A)</p> Signup and view all the answers

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