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
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.
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