Health professionals can use ____________________, sound waves that are too high in frequency to be heard by the human ear, to detect physical abnormalities during pregnancy
Fill in the blank(s) with correct word
ultrasound
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Which factor contributes to spousal abuse?
A. large families with few economic concerns B. large families with high levels of verbal aggression C. multigenerational families living in one household D. single parents who have grown up in violent families themselves
Which statement about medical marijuana is most accurate?
a. It is legal in all 50 states, in DC and in all terroritories. c. It is widely used to treat intractable seizure disorders. b. The active ingredient in marijuana is known to cure cancer. d. The FDA does not consider it as a safe or effective treatment.
What is the shape of the receptive field to which a simple cell in the primary visual cortex responds?
a. circle of a particular radius b. circle with a hole in the middle c. bar in a particular orientation d. bar of a particular length
Beryl is conducting an observational study and has trained two raters to use the rating instrument. Both of the raters drop out just after the study has begun, so Beryl has to substitute in less well-trained raters. Beryl has increased the risk of ____
a. low reliability of the measure b. low strength of the intervention c. poor reliability of treatment implementation d. random irrelevancies in the setting