____________________ can ensure that a value is the correct data type or that it falls within an acceptable range.

You should use the ________ data type for fields that contain truth values.

A. Short Text B. True/False C. Number D. Yes/No

A base class’s members are accessible anywhere that the app has a reference to an object of that base class or to an object of any of its derived classes.

Fill in the blank(s) with the appropriate word(s).