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Digoxin: Quiz


Question 1:
What is the elimination half life of Digoxin?
48-72 Hours
Approximately 48 minutes
8-48 min
36 to 48 hours

Question 2:
What is the chemical name of Digoxin (IUPAC)
-3-methoxy-17-methyl-7,8-didehydro-4,5-epoxymorphinan-6-yl nicotinate
-17-allyl- 7,8-didehydro- 4,5-epoxymorphinan- 3,6-diol

Question 3: slowing the heart rate by decreasing conduction of electrical impulses through the AV node, making it a commonly used ________ in controlling the heart rate during atrial fibrillation or atrial flutter.
Antiarrhythmic agentCalcium channel blockerBeta blockerChannel blocker

Question 4:
What is the molecular weight of Digoxin?
780.938 g/mol
666.894 g/mol
344.248 g/mol

Question 5: Digoxin is widely used in the treatment of various heart conditions, namely ________, atrial flutter and sometimes heart failure that cannot be controlled by other medication.
Supraventricular tachycardiaHypertrophic cardiomyopathyMyocardial infarctionAtrial fibrillation

Question 6: Digoxin (INN) (pronounced /dɨˈdʒɒksɨn/[1]), also known as digitalis, is a purified cardiac glycoside extracted from the ________ plant, Digitalis lanata.
Digitalis purpureaPlantaginaceaeAtrial fibrillationDigitalis

Question 7: The occurrence of ________ is common, owing to its narrow therapeutic index (the margin between effectiveness and toxicity).
AntidepressantBenzodiazepineSelective serotonin reuptake inhibitorAdverse drug reaction

Question 8: [citation needed] Increased amounts of Ca2+ are then stored in the ________ and released by each action potential, which is unchanged by digoxin.
Golgi apparatusCell (biology)Endomembrane systemEndoplasmic reticulum

Question 9: increasing the ________ of heart contraction via inhibition of the Na+/K+ ATPase pump (see below).
EnergyForceClassical mechanicsPhysics

Question 10: This causes an increase in the level of sodium ions in the myocytes, which then leads to a rise in the level of ________ ions.

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