SOLVED

21. According to the text, hormones are secreted into the bloodstream by: a. both frontal lobes of the brain b. capillaries in the circulatory system c. endocrine glands d. the liver 22. According to the text, the greatly expanded production of growth hormones occurs at about age ____ for U.S. girls and about age ____ for U.S. boys. a. 12; 14 b. 13; 13 c. 10; 9 d. 10; 12 23. Mark, who is 14 years old, notices that recently he has become much clumsier. One reason the text suggests for this clumsiness is that the adolescent growth spurt is often accompanied by: a. asymmetrical growth in legs, feet, arms, and hands b. excess body fat is being deposited in the breasts, which will later disappear c. a short-term reduction in the size of the motor cortex in the brain d. the overproduction of red blood cells that provide excess energy in the muscles 24. According to the text, which of the following terms is used to describe the period of rapid growth in physical size and strength that occur during adolescence? a. pubescent jump b. massa intermedia c. growth spurt d. secondary growth 25. Sheila (a girl) and Brian (a boy) are fraternal twins and are 8 years old. If their development is typical, their parents should expect that they will experience the adolescent growth spurt in which of the following patterns? a. Sheila and Brian will both experience the growth spurt at about the same time. b. Sheila will experience the growth spurt about 2 years before Brian does. c. Sheila will experience the growth spurt about 1 year after Brian does. d. Sheila will experience the growth spurt about 2 years after Brian does. 26. Maria (a girl) and Jose (a boy) are fraternal twins and are 10 years old. If their development is typical, Maria should experience the adolescent growth spurt in about ___ more years, and Jose should experience his adolescent growth spurt in about ____ more years. a. 2; 4 b. 2; 2 c. 1; 3 d. 3; 4 27. Typically, girls experience the adolescent growth spurt about: a. 1 year before boys b. 2 years before boys c. the same time as boys d. 2 years after boys 28. Assume that Barbara (a girl) and Brandon (a boy) are typical children growing up in the United States today. You should expect that they will experience the most rapid growth in their height at which of the following ages? a. Barbara at age 10 and Brandon at age 12 b. Barbara at age 12 and Brandon at age 14 c. Barbara at age 14 and Brandon at age 16 d. Barbara and Brandon both at age 14 29. The text uses which of the following terms to refer to the attainment of sexual maturity in both males and females? a. puberty b. menarche c. the growth spurt d. the climacteric 30. Which of the following are most closely involved in regulating the balance in the production of hormones? a. the endocrine glands and the pituitary gland b. the endocrine glands and the hypothalamus c. the pituitary gland and the occipital cortex of the brain d. the pituitary gland and the hypothalamus