What Is the Principle of the LAP (Leukocyte Alkaline Phosphatase)

question 12

Multiple Choice

What is the principle of the LAP (leukocyte alkaline phosphatase) stain?

• A) The LAP within the cell hydrolyzes the substrate naphthol AS-BI phosphate, which couples with the dye (fast red violet LB salt) and precipitates out.
• B) The LAP within the cell hydrolyzes the mitochondria, which couples with the dye (fast violet LB salt) and precipitates out.
• C) The LAP within the cell hydrolyzes the nuclear chromatin, which couples with the dye (fast violet LB salt) and precipitates out.
• D) All of the above
• E) None of the above

---

Definitions:

Task-Oriented

Focused or centered on the completion of specific tasks or objectives rather than on broader goals or social interactions.

Explicit

Clearly expressed or fully stated in the actual text or speech.

Quantitative

Relates to research that focuses on obtaining and analyzing numerical data and statistical information.

Coding Scheme

A systematic way of classifying or categorizing units of analysis.