The formal beginning of pregnancy is
A. at conception.
B. when the blastocyst attaches to the uterine wall.
C. when a woman misses her first period.
D. when the developing organism becomes a fetus.
ANS: B
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A study that tells us whether two variables are associated, but does not tell us if one variable causes or influences the other, is:
a. A descriptive study b. A correlational study c. An experimental study without a control group d. An experimental study with one or more control groups
Which of the following age groups have been found to have the greatest probability of experiencing a high risk pregnancy?
A. those aged 20 to 30 years B. those under 20 and over 40 years C. only those over 45 years
Which of the following is not a branch of philosophy?
a. Paleontology b. Epistemology c. Ontology d. Axiology
If an individual "strongly disagrees" with a positively stated item on a Likert attitude scale, that person will receive ____ point(s)
a. 1 b. 2 c. 3 d. 4 e. 5