18 Questions
Digitalis glycosides primarily increase the volume of myocardial contraction in a failing heart.
False
Ouabain can be administered orally.
False
The toxicological importance of Digitalis glycosides is mainly due to their presence in toads' skin glands.
False
Digoxin prolongs the refractory period of the SA node.
False
Strophantin is primarily sourced from Digitalis purpura.
False
Increased intracellular sodium promotes calcium entry via the Na+ -K + pump at the myocardial cell membrane.
False
Epinephrine and Norepinephrine cause hemostasis by vasodilation.
False
Warfarin and bishydrocoumarin are toxic in animals.
True
Protamine sulfate is an anticoagulant used for blood transfusion.
False
Fibrinolytic Agents like Streptokinase are used in human medicine to activate human hemoglobin.
False
Heparin acts by enhancing the action of antithrombin III.
True
Fibrin Foam is prepared by the action of thrombin on human albumin.
False
Vitamin K is essential for the synthesis of clotting factors II, IV, XI, and XII.
False
Protamine sulfate is used to counteract heparin-induced hemorrhages.
True
Vitamin K absorption is enhanced in the presence of liver disease.
False
Epinephrine and Norepinephrine are examples of anticoagulants that interfere with Vitamin K's role in clotting factor synthesis.
False
Thrombin is primarily used for bleeding from smooth tissues such as skin wounds.
False
Local Hemostatic Thromboplastin is only used in emergency treatment scenarios for acute hemorrhagic syndrome.
False
Test your knowledge on hemostasis, fibrin foam, epinephrine, norepinephrine, and anticoagulants like sodium citrate and heparin. Learn about the role of endogenous heparin in mast cells and how anticoagulant drugs work.
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