(MULTIPLE CHOICE): 1- In regression another name for the independent variable is a- the regressor variable. b- the predictor variable. c- both (a) and (b). d- neither (a) nor (b). (1 pts) 2- A probabilistic model is a determanistic model plus random error. a- TRUE b- FALSE (1 pts) 3- A simple linear regression line estimates
Prothrombin time (PT) and activated partial thromboplastin time (APTT) are tests that evaluate the release of specific clotting factors by measuring the time it takes for a clot to form after certain reagents are added to a blood sample.
Reference Range. Bleeding time is a laboratory test to assess platelet function and the bodyâs ability to form a clot. The test involves making a puncture wound in a superficial area of the skin and monitoring the time needed for bleeding to stop (ie, bleeding site turns glassy).Bleeding normally stops within 1-9 minutes but may be longer in children (1-13 minutes) and tends to take slightly longer in females than in males.Next. bleeding time evaluation is most helpful in a patient with clinical bleeding whose platelet count and results of coagulation studies (PT/INR, aPTT) are normal.