Contractions strong enough to expel the baby are caused by
a. the weight of the child.
b. the release of oxytocin from the mother's pituitary gland.
c. the secretion of hormones by the adrenal and pituitary glands of the fetus.
d. changes in the heart rate and brain activities of the fetus.
b
You might also like to view...
Which explanation for why a consistent behavioral style increases minority influence is least plausible?
a. A consistent minority draws more attention to its position. b. A consistent minority puts increased pressure on the majority to compromise. c. The position advocated by a consistent minority is more likely to be perceived as valid. d. A consistent minority is more likely to exert normative social influence on the group.
Which of the following is a reason for a child's poor performance on a referential communication task?
a. The child's inability to understand the passive voice b. The child's lack of prosodic features c. The child's inability to understand the perspectives of others d. The child's lack of facial expressions
Emilio wants to play a prank on his friend, so he buys an air-horn and sneaks up behind his buddy. He presses the button, and a deafening blast of noise comes out of the horn, causing his friend to jump straight out of his chair. The horn that Emilio used seems to have
A. a low frequency. B. a short wavelength. C. a very high amplitude. D. no timbre.
Zinia puts her newborn down to sleep for a nap. It has been a few hours since her baby has slept and she seems tired. What will typically happen next?
a. Her daughter will roll around and struggle to sleep. b. Her daughter will drift into Alpha waves and stage 1 sleep. c. Her daughter will not sleep until nighttime. d. Her daughter will move directly into REM sleep.