1.Of all the developments that take place duringthe second decade of life, the only one that is
truly inevitable is:
A.physical maturation.
2.The average girl in the United States reaches _________,the time of her first menstrual period,
sometime between the ages of 12 and 13.
B.menarche
3.The physical transformation from child to adultis called:
A.puberty.
4.The term puberty refers to the period during which:
C.an individual becomes capable of sexual reproduction.
5.According to the textbook, puberty involves allof the following except
D.increases in intellectual functioning
6.Professor Radon is studying the _________ system,which produces, circulates, and regulates
levels of hormones in the body.
D.endocrine
7.Which of the following statements about the productionof hormones at puberty is false?
A.The body begins to produce several hormones thathave not been present in the body up until
this time.
8.When levels of _____ and _____ fall below the setpoints, the _____ stops inhibiting the
pituitary gland, thus permitting it to stimulate therelease of sex hormones by the gonads.
C.androgens; estrogens; hypothalamus
9.The presence or absence of certain hormones earlyin life may "program" the brain and the
nervous system to develop in certain ways later on.These hormones are considered:
C.organizational.
10.Hormones play two very different roles in adolescence._______ hormones program the brain to
behave in certain ways, whereas _______ hormones arethought to stimulate development of the
secondary sex characteristics.
B.Organizational; activational
11.Which of the following statements about prenatal development is not true?
D.The amount of cortisol exposed to the fetus isdirectly linked to the timing and tempo of puberty.
12.Which of the following is not thought to contributeto the onset of puberty?
C.the development of primary sex characteristics
13.Which of the following statements suggests thatrising levels of the protein leptin is an important
signal that tells the body it is ready for puberty?
B.Excessive thinness can delay onset of puberty.
14.Which of the following is not part of the feedbackloop in the endocrine system?