Using ______, cell-free fetal DNA is examined by drawing blood from the mother.
A. amniocentesis
B. chorionic villus sampling
C. noninvasive prenatal testing (NIPT)
D. an ultrasound
Answer: C
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How do premature babies compare to full-term babies by the time both reach adulthood?
A. There are usually few differences between the two groups. B. Premature infants usually develop into physically disabled adults. C. Full-term infants, on average, score 20 points higher on intelligence tests. D. Premature babies ironically surpass full-term babies in size and weight in adulthood.
Isaac is known as a member of the "brains" in his school, not the "jocks." These are examples of __________.
A. cliques B. deviancy training groups C. close friendships D. crowds
The general adaptation syndrome describes one's
a. emotional responses to stress. b. behavioral responses to stress. c. physiological responses to stress. d. emotional, behavioral, and physiological responses to stress.
According to research, which of the following is least associated with lower levels of aggression?
A) Taking vitamin supplements B) High levels of the neurotransmitter serotonin C) Low levels of the hormone testosterone D) Low levels of the hormone cortisol.