Spermarche refers to
A) a rapid increase in levels of testosterone.
B) an interruption in the HPG axis.
C) increased activity of the adrenal glands.
D) a boy's first ejaculation.
D
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Gender is a clear example of a/an _____________________________ variable
a. qualitative b. quantitative c. independent d. dependent
The grade distribution of an "easy" course, in terms of overall percentage score (0–100), is BEST described by a:
A) normal distribution with a large standard deviation. B) normal distribution with a small standard deviation. C) negatively skewed distribution. D) positively skewed distribution.
With the exception of nicotine, the first illegal drug for high school students presently in the U. S. is almost always _______(1)____________. If the user moves on to other drugs, the second illegal drug(s) generally is/are ______(2)__________
a. (1) marijuana; (2) alcohol b. (1) alcohol; (2) stimulants, depressants, or tranquilizers c. (1) alcohol; (2) marijuana d. (1) marijuana; (2) stimulants
During labor and delivery, stress hormones produced by the baby________
A) put the newborn in great danger B) arouse the infant into alertness C) cause the mother’s cervix to thin and the uterine wall to contract D) temporarily reducethe infant’s oxygen supply