Ultrasonography uses captured _____ to display images
A. gamma rays
B. nucleotides
C. external radiation
D. high frequency sound waves
Answer: D
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During critical periods of development:
a. Many new synapses are created b. Normal stimulation is necessary c. Myelination occurs d. Mitosis of neurons occurs
The ____ are small vessels that carry deoxygenated blood.
A. arterioles B. arteries C. veins D. venules E. capillaries
When is it MOST appropriate to consider requesting additional ambulances at an accident scene?
A. after you have triaged all the critical patients B. after noncritical patients have been identified C. when all the deceased patients are accounted for D. when you determine there are multiple patients
Which artery supplies blood to the posterior walls of the ventricles?
a. marginal branch of right coronary artery b. anterior interventricular branch of left coronary artery c. circumflex branch of left coronary artery d. posterior interventricular branch of right coronary artery