What is the name of the procedure in which an incision is made to make the vaginal opening larger?
A. crowning
B. episiotomy
C. epidural
D. amniocentesis
Answer: B
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Much of the research investigating the effects of oxygen deprivation on the developing fetus has focused on the area of the brain known as the
a. hippocampus. b. amygdala. c. brain stem. d. parietal lobe.
After Maria drank coffee for the first time in her life, she felt more awake. She then begandrinking coffee every morning. Now when she even smells coffee, she feels more awake. Feeling more awake after just smelling the coffee is the ____.?
a. ?conditioned stimulus b. ?unconditioned stimulus c. ?conditioned response d. ?unconditioned response
Which of the following concepts refers to behaviors that develop over time and appear quite different from those that came before?
continuity systems discontinuity critical period
Sleep patterns are most likely to change at puberty due to
A. social pressures to stay out late with friends. B. a drop in the production of melatonin. C. the need to sleep more due to the adolescent growth spurt. D. changes in physical activity and eating patterns.