Which of the Following Statements Are True of Chemical Blood

question 88

Multiple Choice

Which of the following statements are true of chemical blood clotting? (Read carefully and select all of the correct statements.)

• A)Many of the clotting factors are produced by the liver,but some are produced by the spleen.
• B)Fibrinogen is changed to fibrin in stage 1 of clotting.
• C)Calcium ions are needed for all three stages of clotting.
• D)Prothrombin activator changes thrombin to prothrombin.
• E)The actual clot is made of fibrin.
• F)The purpose of clot retraction is to create a smaller area to be repaired.
• G)The purpose of fibrinolysis is to strengthen a newly formed clot.
• H)The endothelium of blood vessels is smooth and helps prevent abnormal clottin

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Definitions:

Confidence Interval

A range of values, derived from a data set, within which the true parameter value is estimated to lie with a certain level of confidence.

Expected Value

The weighted average of all possible values of a random variable, weighted by their respective probabilities.

Simple Linear Regression

A method of fitting a straight line through a set of data points to model a linear relationship between two variables.

Prediction Interval

An interval estimate of a real-valued observation based on a sample of data predicting where an individual measurement will fall.