Which of the following prenatal diagnostic tests uses a sample of the placenta to detect genetic and chromosomal abnormalities in the fetus?
A. noninvasive prenatal diagnosis
B. chorionic villus sampling
C. ultrasound sonography
D. amniocentesis
Answer: B
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Making sure that the sample is chosen such that the population is represented well in the sample can be difficult with ______ samples.
A. large B. random C. small D. convenience
Which one of the following is not a working assumption of science?
a. infallibility b. rationality c. causality d. discoverability
Maslow defined self-actualization as:
a. affiliation with others b. achievement, competency, gaining approval, and recognition c. fulfillment of one's unique potential d. the perception of one's own body
Maximum life span is defined as the
number of years a newborn is likely to live. risk of mortality. average age at death. upper limit to which members of a species can live.