Which of the following hormones is released from the pituitary gland and plays a broad role in regulating many behaviors generally involved in happiness, including pregnancy, parenthood, sexual activity, social bonding, trust, and the reduction of stress reactions?

A reasonable inference from the information presented in this unit regarding the availability of sexual partners for older adults suggests that which older person

would have the LEAST problem locating a sexual partner? a. an independent single female b. a female living with her adult children c. an independent single male d. a single male living in a nursing home

Toxic substances such as alcohol and nicotine that cross the placenta and may result in birth defects are called __________

a. neuroleptics b. teratogens c. pathogens d. antigens