Researchers want to find out which brain region comes after brain region C. To discover this, researchers can trace ________ axons using ________ labeling.
A) afferent; retrograde
B) efferent; retrograde
C) afferent; anterograde
D) anterograde; retrograde
E) efferent; anterograde

Question

Quizplus · Accepted Answer

The researchers are trying to trace axons going out of brain region C, which would be efferent axons. They want to use anterograde labeling, which allows them to trace the axons forward to the next brain region. Therefore, option E (efferent; anterograde) is the best choice.

Researchers Want to Find Out Which Brain Region Comes After