A problem related to which of the following would cause a doctor to warn a patient about increased risk for angina pectoris?

For men who are age 75-84, the most common marital status is __________; for women in the age range the most common marital status is ___________

a. widowed; widowed b. married; widowed c. widowed; married d. married; married

John Watson studied salivation in dogs in order to examine the concept of habituation

Indicate whether this statement is true or false.