21) An infant’s ventilatory rate generally is too fast to sustain adequate tidal volume when the rate is over ________ breaths per minute. A) 60 B) 50 C) 40 D) 30 22) “Magical thinking†begins at age ________ months. A) 12 to 18 B) 18 to 24 C) 24 to 36 D) 36 to 48 23) School-age children usually develop all of the following, EXCEPT: A) An extreme sense of privacy B) Decision-making skills C) Self-concept D) Self-esteem 24) Infants should typically be able to sit up in a high chair and make one-syllable sounds by the age of ________ months. A) 3 B) 4 C) 6 D) 9 25) In the early-adulthood age bracket, what is the leading cause of death? A) Cardiovascular disease B) Accidental trauma C) Diabetes mellitus D) Seizure disorders 26) Exploratory behavior accelerates at this stage. The child is able to play simple games and follow basic rules, and he begins to display signs of competitiveness. A) preschooler B) toddler C) school age D) adolescent 27) ________ parents take a tolerant, accepting view of their children’s behavior, including aggressive behavior and sexual behavior. A) Permissive B) Authoritative C) Authoritarian D) Divorced 28) The development of a self-concept occurs at this age. A) school age B) preschooler C) toddler D) adolescent 29) _______ take “time out†to experiment with a variety of identities, knowing that they do NOT have to assume responsibility for the consequences of those identities. A) Adolescents B) Preschoolers D) School agers 30) Adults in this age group are more concerned with the “social clock†and become more task oriented as they see the time for accomplishing their lifetime goals recede. A) middle adulthood B) early adulthood C) late adulthood D) adolescents 31) What is the theoretical, species-specific, longest duration of life, excluding premature or “unnatural†death called? A) maximum life span B) minimum life span C) maximum duration D) minimum duration 32) The trachea and large airways increase in diameter and enlargement of the end units of the airway results in a decreased surface area of the lungs during this stage of development. A) late adulthood B) middle adulthood C) early adulthood D) adolescence 33) A decrease in cognitive functioning over a five-year period prior to death is termed: A) terminal drop. B) post-conventional reasoning. C) slow-to-warm-up effect. D) scaffolding. 34) One of the major challenges for the older adult is maintaining which of the following? A) a sense of self-worth B) peak physical conditioning C) daily chores and routines D) an accurate account of their savings from retirement 35) A(n) _______ airway is shorter, narrower, less stable, and more easily obstructed than at any other stage in life. A) infant’s B) toddler’s C) preschooler’s