30. Major grammatical errors of preschool children include all of the following except A. choosing the wrong vocabulary word
B. using negatives incorrectly
C. asking questions without inverted word order
D. making irregular verb forms regular

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Kelly is 33 weeks pregnant and her doctor has scheduled her for a procedure to remove a small amount of fluid to check for the health of the fetus. the procedure is called .

Match the vocabulary terms to the correct definition. 1. branch of u.s. department of human services that works to improve the emotional and mental lives of families and communities; may include social workers, community managers and planners, therapists and corrective treatment specialists, and educators and child care workers quality-of-life indicators 2. infrastructure used to reduce health-care related expenses and increase the affordability of health care and insurance; increases the need for coordination among health care providers managed health-care system 3. federal healthcare insurance that provides medical, psychological, therapy, or social work services to the disadvantaged (medicaid) or the elderly (medicare) medicaid or medicare 4. measurements of the well-being of an individual, community, or larger population; includes physical, mental, emotional, and social health as well as other factors such as safety and opportunity for intellectual growth and challenges family and community services