What is the search for explanation within the confines of the world and its reality, combined with a rejection or diminishment of revealed or otherworldly concepts?

A young woman returns from a day at the beach to find she has developed severe sunburn. Which neurons are sending messages from her burned skin to her brain informing her of the pain from the burn?

a. motor neurons b. interaction neurons c. afferent neurons d. efferent neurons

What percentage of men in their thirties and forties report that they always experience orgasm during sex with their primary partner?

a. 65% b. 75% c. 85% d. 100%