During which stage of labor does the neonate's head emerge from the birth canal?

If suprachiasmatic nucleus neurons are disconnected from the rest of the brain, they ____

a. no longer produce any activity b. continue to produce activity that follows a circadian rhythm c. produce a 20-hour rhythm d. produce spontaneous bursts of activity, but on no rhythmic pattern

Which example illustrates the proper way to cite a source in a research report when the author's name appears as the subject of the sentence?

a. Smith, 2005 b. Sam Smith, 2005 c. Smith (2005) d. Smith (in 2005)