What form of prenatal testing uses sound waves and produces a black-and-white image of the fetus that is used to determine age, size, and sex?
A) ultrasound
B) maternal blood test
C) amniocentesis
D) chorionic villus sampling
Answer: A
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According to your text, which of the following are common sources of stress for most college students?
A. academics and time management B. children and pets C. laundry and dishes D. involvement in political causes
Which of the following therapeutic measures uses an artificial kidney machine?
A) catheterization B) lithotripsy C) hemodialysis D) peritoneal dialysis
An important advantage of having two gene loci (? and ?) for the light chain is
a. that the likelihood of a successful rearrangement of light-chain genes increases. b. that immunoglobulins are homogeneous and not heterogeneous in mature B cells. c. that different effector functions are conferred by the two different light-chain loci. d. that surrogate light-chain transcription cannot compete with ? and ? transcription and enables B-cell development. e. all of the above.
Which of the following is a nuclear medicine procedure to detect hot spots that indicate cancerous tumors in the bone?
A) x-ray B) scintigraphy C) bone densitometry D) blood uric acid level