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Diagnostic Testing 2
Hemostasis
19
Nursing
Undergraduate 1
11/20/2009

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Cards

Term
The purpose of platelet count is to:
Definition
Evaluate Platelet Production
Term
Prothrombin time is used to monitor response to:
Definition
Oral Anticoagulant therapy
Term
This test is considered to be one of the most important screening test of platelet function. What test is it?
Definition
Platelet Count
Term
An interfering factor for Prothrombin Time is:
Definition
Salicylates (aspirin), more than 1 g/day
Term
Partial thromboplastin time is used to monitor response to
Definition
Heparin therapy
Term
The purpose of a bleeding time is
Definition
to assess overall hemostatic function
Term
bleeding time may be measured by one of three methods:
Definition
Template (most common), Ivy, or Duke
Term
An interfering factor with platelet count is
Definition
high altitudes, persistent cold temperatures, strenuous exercise
Term
Which factor is defective causing hemophilia A?
Definition
Factor VIII
Term
Which test requires that it be sent to the laboratory on ice?
Definition
Partial thromboplastin time (PTT)
Term
_______ are the smallest formed elements in the blood
Definition
Platelets (thrombocytes)
Term
The circulatory system protects itself from excessive blood loss or blood clotting by ___________.
Definition
hemostasis
Term
Vasoconstriction lasts ____ minutes in small vessels and up to ____ minutes in a larger one
Definition
10, 30
Term
Nosebleed
Definition
Epistaxis
Term
a protease in blood that facilitates blood clotting by converting fibrinogen to fibrin
Definition
Thrombin
Term
plasma protein present in tissues, platelets, and white blood cells necessary for the coagulation of blood and, in the presence of calcium ions, necessary for the conversion of prothrombin to thrombin
Definition
Thromboplastin
Term
A protein in the blood plasma that is essential for the coagulation of blood and is converted to fibrin by thrombin and ionized calcium
Definition
Fibrinogen
Term
Prolonged PT may indicate dificiencies in..
Definition
fibrinogen, prothrombin, Vitamin K
Term
Tests to determine if blood clots normally
Definition
Platelet count, PTT, PT
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