Anti-arrhythmic MCQ
A short quiz based on the information in the ant-arrhythmic section.
- 1.What is an arrhythmia?
- A.
Accelerated heart beat.
- B.
Slow heart beat.
- C.
Irregular heart beat.
- D.
A type of heart cancer
- 2.How do anti-arrhythmic agents work?
- A.
They change electrical conduction of the heart by targeting the defective myocytes.
- B.
They change electrical conduction of the heart by targeting the pacemaker.
- C.
They change electrical conduction of the heart by targeting the ion channels
- D.
They change electrical conduction of the vasculature by targeting the ion channels
- 3.What is the most common side effect of anti-arrhythmic therapy?
- A.
Pseudo arrhythmia
- B.
Proarrhythmia
- C.
Bradycardia.
- D.
Tachycardia
- 4.What is proarrhthmia?
- A.
A worsening of existing arrhythmias
- B.
A development of new arrhythmias
- C.
A development of new arrhythmias and/or a worsening of existing arrhythmias
- D.
The development of new myocytes
- 5.Proarrthmias are most common in which 2 classes of anti-arrhythmic agents?
- A.
Class II & Class IV
- B.
Class I & Class III
- C.
Class III & Class V
- D.
Class I & Class V
- 6.Under which class of anti-arrhythmic agents is Flecainide catagorised?
- A.
Class I
- B.
Class II
- C.
Class III
- D.
Class IV
- 7.Flecainide_________________________.
- A.
Increases conduction velocity.
- B.
Decreases conduction velocity
- C.
Has no affect on conduction velocity.
- D.
Can increase/decrease conduction velocity depending on concentration
- 8.Flecainide has its greatest effect on cardaic function via ________ ______ & the __________ ___ ____.
- A.
Purking fibres, bundle of his
- B.
Purking fibres, medial temporal bundle
- C.
Oxidative stress, bundle of his
- D.
Parking fibres , bundle of her
- 9.Flecainide has no effect on re-polarization. True or false?
- A.
True
- B.
False
- 10.The toxicity of flecainide is linnked to what?
- A.
Age of patient.
- B.
Type of arrhythmia.
- C.
Whether the patient is being treated at home or in hospital.
- D.
Plasma concentration.
- 11.What does the treatent of flecainide toxicity involve? (Choose 3)
- A.
Increasing the Na concentration at the active site
- B.
Regular exercise
- C.
Surgery
- D.
Increase in dose
- E.
Prescription of physostigmine
- F.
Decrease/removal of dose
Related Topics
Recent Quizzes
Featured Quizzes
Back to top