The risk of contamination from nuclear fallout after a nuclear explosion is greatest during which of the following periods?
A) The first month after the blast
B) 72 hours after the blast
C) The first hour after the blast
D) Between 1 and 48 hours after the blast
D
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If using ultrasound to treat a very acute condition, which of the following combinations would be least likely to create a thermal effect?
A) high intensity in a pulsed mode B) high intensity in a continuous mode C) low intensity in a pulsed mode D) low intensity in a continuous mode
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The commonly used term to describe a pregnancy that ends before 20 weeks' gestation is called a(n) _________, or spontaneous _________
Fill in the blank(s) with correct word
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