Which layer of the blood vessel wall is composed of elastic tissue and smooth muscle cells?
A. The lumen
B. Tunica media
C. Tunica intima
D. Tunica adventitia
Answer: B. Tunica media
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The scope of medical assisting will expand to meet the needs of a(n) ________ population and to fill the evolving field of patient care
Fill in the blank(s) with correct word
Which of the following is a good risk reduction strategy for preventing medication errors?
A) documenting essential patient information B) offering sale prices on expired medications C) consulting with a patient's lawyer D) reusing medication bottles
The neocortex is organized vertically in
a. Granular layers b. Agranular layers c. Cortical columns d. Brodmann's map
Before administering a helium-O2 mixture to a patient with large airway obstruction, what should you do?
a. Analyze the helium concentration of the mixture. b. Heat the cylinder to ensure complete mix-ing of contents. c. Analyze the O2 concentration of the mix-ture. d. Roll the cylinder to ensure complete mix-ing of contents.