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Questions and Answers
Digitalis acts mainly on the lungs and is used in the treatment of hypertension.
False
Hypokalemia is an adverse effect associated with the use of nitroglycerin.
False
Aspirin prevents the formation of thromboxane A2 by inhibiting cyclooxygenase 1 (COX 1).
True
Warfarin has a quicker onset effect on prostacyclin (PGI2) compared to aspirin.
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Heparin is primarily excreted via the liver.
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Nitroglycerin is used in the treatment of heart failure with myocardial infarction (MI).
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Nitroglycerin is a precursor of nitric oxide which dilates blood vessels.
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Digitalis (Digoxin) reduces the force of contraction, resulting in decreased stroke volume.
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Aspirin acts as an anticoagulant, helping to reduce clot formation.
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Heparin is classified as an anticoagulant used to reduce clot formation.
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Warfarin is considered a vasodilator that dilates blood vessels.
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Clotting factors like VII and II contribute to the formation of fibrin in the blood.
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Heparin and low molecular weight heparin prevent fibrin formation by inactivating clotting factors IIa, VIIa, IXa, and XIa.
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Aspirin inhibits the formation of PGI2 in endothelium at higher concentrations to prevent platelet aggregation.
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Warfarin is given intravenously for a rapid onset of action.
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Nitroglycerin is classified as an anticoagulant medication.
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Digitalis is used for preventing clotting of blood.
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Heparin-induced thrombocytopenia (HIT) can lead to incidences of thrombosis, amputations, and death.
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