What is the name of any number of male sex hormones, the most widely known of which is testosterone?

What is the purpose of the blue filter when using a tungsten-halogen microscope light?

a. Eliminate blue color b. Eliminate yellow color c. Reduce light intensity d. Filter out stray light

Three bulges on the incisal edges of newly erupted centrals are the ____________

a. mamelons b. lingual grooves c. fossae d. cingula