The purpose of the placenta is to connect the mother and the developing zygote, to ensure proper nutrients are passed along to the zygote, and to __________
a) protect the developing zygote from the mother’s waste and bacteria
b) protect the embryo from the effects of alcohol
c) provide a barrier for the embryo against sound pollution
d) protect the mother from the waste and bacteria produced by the fetus
Answer: a
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Which of the following is true of condoms?
a. Skin condoms from animal membranes offer protection against sexually transmitted diseases. b. Within 60 seconds of contact with an oil-based cream or lotion, latex condoms can have microscopic holes large enough to allow the passage of sexually transmitted diseases. c. Latex condoms are thinner than polyurethane condoms. d. Polyurethane condoms are less likely to break and slip off than latex condoms.
About half of all children have difficulties that can be connected to behavioral teratogens
Indicate whether this statement is true or false.
In general, ___________ are not thought to possess the same sort of abuse potential as other classes of drugs.
a. antipsychotic b. depressant c. stimulant d. hallucinogens
Children also learn what they should do by watching their parents, a process known as __________ ____________
Fill in the blank(s) with the appropriate word(s).