Dan has been diagnosed as suffering from acrophobia. Which of the following occupations would be a really bad choice for him?

Nellie has noticed that her 3-month-old cannot coordinate the motions of his hands. When should she expect him to be able to do this?

a. He should have been able to coordinate his hands at birth. b. He should be learning how to coordinate his hands right now — at about 3 months. c. He should be able to coordinate his hands at about 5 months. d. He won't be able to coordinate his hands until he is about 1year.

According to your textbook, moderate alcohol consumption can:

a. reduce risk of heart attack and stroke. b. cause diabetes. c. alleviate the retinal swelling caused by glaucoma. d. improve mathematical ability.