EXERCISES, LESSON 4
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the question or best completes the incomplete statement.
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
The virginal breast consists primarily of __________ tissue.
One of the important factors to consider in mammography is focal spot size. If the
large focal spot is used, it may adversely affect detail; but if the small one is used:
a. The exposure factors must be low enough.
b. Penetration of the rays may be too low.
More irradiation damage may result.
d. The radiograph may lack density.
For a mammography study, if the kVp is 25 and the mAs 1600, three views would