The estimated lifetime prevalence of bulimia nervosa is what percentage of females?

Chip and Dale get into a bitter fight over who owes what for their large phone bill. Chip is frustrated that Dale won't see his side of the argument. Which of the following will increase the odds that Chip will resort to physical aggression against Dale?

A) Dale outweighs Chip by 25 pounds. B) Dale can refuse to pay the utility bills, too. C) Dale admits that he might have forgotten a few of his long distance calls. D) Dale is a martial arts expert. E) Dale pulls out his check book, but then refuses to write the check to Chip.

Which of the five basic taste sensations was discovered most recently?

a) bitter b) sour c) sweet d) umami or brothy