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).