What is the first visible sign of puberty?

Which of the following older adults is expected to live the longest in full health, without disease or injury?

A) Kiyoko, from Japan B) Delores, from the United States C) Golda, from Israel D) Pilar, from Spain

Pat threatened to punch out a student colleague when the latter refused to lend him $20. This is an example of which criteria for abnormal behaviour?

a) Unexpectedness b) Disability or dysfunction c) Statistical infrequency d) A and B