Drugs and Heart Failure - KAHOOT Flashcards
Increased permeability to which ion induces the action potential in a nerve fibre ?
- Calcium
- Sodium
- Potassium
- Magnesium
- Sodium
Which of the following drugs would you use to treat sinus bradycardia?
- Amiodarone
- Digoxin
- Lidocane
- Atropine
Atropine
The “use dependency” of anti-arrhythmic drugs is due to the selective effect on ….?
- Channel type
- Channel State
- Multiple types of channel
- Conduction through thr AV node
- Channel State
Which mechanism explains the positive inotropic action of digoxin?
- Inhibatition of NA/K ATP-ASE
- inhibition of NA/CA exchange
- Inhibition of NA/K/2CL syporter
- Enhances parasympathetic nerve activity.
- Inhibition of NA/k ATPASE
When is digoxin used ?
A- fib
or HF
Which drug does not reduce mortality in chronic heart failure ?
- B adrenoreceptor antagonist
- ACE inhibitor
- Loop diuretic
- Angiotensin receptor antagonist
- Loop diuretic
Which adverse effect would be most likley following the use of loop diuretic furosemide ?
- Breast pain
- Deafness
- Hyperkalemia
-Peripheral oedema
- deafness
Which anti-arrhythmic group would be most effective in treating arrhythmia due to hyperthyroidism?
- Potassium Channel blocker
- Beta Blocker
- Sodium Channel Blocker
- Calcium Channel Blocker
- B Blocker
Which calcium antagonist would be most effective in treating supraventricular tachycardia?
- Verapmil
- Nifedipine
- Amlodipine
- Diltiazem
Verapamil
Which of the following anti-arrythmic properties is not possessed by amiodarone ?
- Sodium Channel Blockage
- Calcium Channel Blockage
- Na/K ATPase inhibition
- Pottasium Channel Blockage
NA/K ATPase Inhibition
Why may digoxin be a usefull drug in treating a supraventricular tachycardia ?
- Enhances Sympathetic Transmission at the SA node
- Enhances parasympathetic transmission at the AV node
- Induced complete heart block
- Inhibits ventricular fibrilliation
- Enhances parasympathetic transmission at the AV node
Which of the following is NOT a significant adverese effect of amiodarone?
- Deposit microcrystals in the eye
- Tordes des pointes
- Lung Fibrosis
- Diabetes
Diabetes
Which drug mechanism reduces hospitalisation, but not survival in chronic heart failure?
- Aldosterone antagonist
- ACE inhibitor
- NA/K ATP-ase Inhibitor
- B-adrenoceptor antagonist
- Na/K ATP- ase Inhibator
Which drug group can initially reduce cardiac output but decrease mortality in chronic heart failure?
- aldosterone antagonist
- B-adrenoceptor antagonist
- ACE inhibitors
- Angiotensin II receptor antagonist
- B - adrenoceptor antagonist
In which combincation are all drugs used to treat cardiac arrhytmias ?
- Nitrates/CCB/B- Blockers
- ACE Inhibitors/thiazide diuretics/CCB
- Loop Diuretics/ACE inhibitors/ Digoxin
- B-Blockers/Digoxin/Potassium Channel blockers
B-Blockers/Digoxin/Potassium Channel blockers
