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Pharmacology & Anest
Study exam 9
Question | Answer |
---|---|
Avitene Microfibrillar Collagen Hemostat (MCH) is derived from | bovine corium collagen. |
Which hemostatic agent creates a mechanical barrier to control bleeding? | Bone wax |
Which group of drugs is given intravenously to dissolve existing blood clots? | Thrombolytics |
During the first stage of blood clot formation, __________ is formed. | thromboplastin |
Which systemic coagulant is contraindicated in patients with a history of malignant hyperthermia? | Calcium salts |
Which hemostatic agent promotes platelet aggregation leading to clot formation? | Avitene |
Which drug is used to reverse the effect of heparin? | Protamine sulfate |
Which parenteral anticoagulant is used most often? | Heparin sodium |
A blood clot within an intact blood vessel is called a(n) | thrombus. |
A tiny piece of Gelfoam used during a tympanoplasty procedure is called a | pledget |
Which one of the following is not a systemic coagulant? | Protamine sulfate |
Which hemostatic agent was developed to treat severe traumatic bleeding on the battlefield? | QuikClot |
If a venous clot breaks off and travels to the heart, it is called a(n) | embolus. |
Which hemostatic agent causes adhesion formation if it comes in contact with nonbleeding tissues? | Avitene |
Which vitamin serves a vital role in coagulation? | K |
Which hemostatic agent can be used in the presence of a gram-positive microorganism? | Surgicel |
What types of hemostatics are used on areas of capillary bleeding? | Topical |
Which naturally occurring mechanism is the most dominant in blood? | Anticoagulants |
____________ is a natural clot-dissolving enzyme in the blood? | Fibrinolysin |
The formation or presence of a blood clot within the vascular system is termed | thrombosis |
Agents that dissolve already formed clots are called | thrombolytics. |
How long does the intrinsic pathway take to form a clot? | Minutes |
_____________ is brand of absorbable collagen sponge. | Helistat |
Damage to small blood vessels causes a series of reactions that produce a protein called | fibrin. |
Which product is a form of oxidized regenerated cellulose? | Surgicel Fibrillar |
During the third stage of blood clot formation, __________ is formed. | fibrin |
What is the duration of Coumadin? | 2.5 to 5 days |
During the second stage of blood clot formation, __________ is formed. | thrombin |
Which medication is not a thrombolytic drug? | Warfarin |
What is the onset of Coumadin? | 2 or more days |