A good policy in answering multiple-choice test items is not to leave items unanswered

The central nervous system is composed of the _________& __________

Fill in the blank(s) with the appropriate word(s).

In many parts of the world menarche is the catalyst whereby females enter into a lifelong process of socially constructed monthly rituals. Menstrual-related monthly rituals are remarkably common because ____

a. many cultures are male-dominant and rituals are a means to control women b. many cultures lack access to medical care and scientific knowledge c. many cultures have strong beliefs concerning the power of menstrual blood d. many cultures lack access to informative media such as television and radio