The anal ____________________, which have ducts opening to the skin at the anal orifice, express fluid during defecation, excitement, and social interaction

If an experiment produces a result having a p value less than 0.05, what is the probability that any differences found would have been observed even if the null hypothesis is true?

A) Less than 1 chance in 10 B) Less than 1 chance in 20 C) Less than 1 chance in 100 D) Less than 1 chance in 200

Men should be instructed to perform a monthly testicular self-exam starting at age ________.

A. 10 B. 20 C. 25 D. 15 E. 40