Which of the Following Features About a Thromboplastin Preparation Is

question 17

Multiple Choice

Which of the following features about a thromboplastin preparation is necessary for accurate results?

• A) Serial dilutions must be made of the thromboplastin preparation and measured to create a standard curve.
• B) The international sensitivity index (ISI) of the thromboplastin preparation should be close to 1.
• C) The thromboplastin preparation must be made by and purchased from the International Standardization Committee.
• D) The thromboplastin preparation must be tested and certified by the World Health Organization (WHO).

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Definitions:

Indifference Curve

An indifference curve is a graph that shows a combination of two goods that give a consumer equal satisfaction and utility, indicating preferences irrespective of consumption mix.

Slope

A measure of the steepness or inclination of a line, indicating the change in the vertical axis relative to the change in the horizontal axis.

Consumer

A consumer is an individual or group who purchases goods and services for personal use from the market, contributing to demand.

Budget Constraints

The limitations on the consumption bundles that a consumer can afford with a limited income.