The Laboratory Is Presented with a Case of HDFN Due

question 9

Multiple Choice

The laboratory is presented with a case of HDFN due to ABO incompatibility. The mother is Group O and the infant is Group B. The most appropriate type of blood to use for an exchange transfusion for this infant is:

• A) A
• B) B
• C) O
• D) AB

---

Definitions:

Frequency Polygon

A graphical representation of the distribution of numerical data. It is usually a line that connects points representing the frequencies of various categories or intervals of data.

Class Intervals

Ranges of values into which data points are grouped for frequency distribution analysis.

Histogram

A type of bar chart used in statistics to represent the distribution of data by showing the number of data points that fall within a range of values.

Normally Distributed Curves

Graphical representations of a normal distribution, showing how data points are symmetrically distributed around the mean.