Arteries can constrict or dilate as needed because of the smooth muscle found in the
A. tunica intima.
B. tunica media.
C. tunica adventitia.
D. tunica externa.
E. tunica interna.
B
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You are an EMT and arrive at the scene of an opioid overdose. The overdose victim is breathing extremely slowly and shallowly. When you arrive at the ER, you report that the medical team should watch out for signs of
A. metabolic acidosis. B. respiratory alkalosis. C. respiratory acidosis. D. metabolic alkalosis.
The stomach releases the hormone ________ to aid in digestion.
A. pepsin B. HCl C. secretin D. gastrin
Which form of endoplasmic reticulum modifies and packages newly synthesized proteins?
A) all forms of endoplasmic reticulum B) simple endoplasmic reticulum C) raised endoplasmic reticulum D) smooth endoplasmic reticulum E) rough endoplasmic reticulum
Which valve is associated with the S2 heart sound?
a. tricuspid. b. mitral. c. bicuspid. d. both (a) and (b) above. e. none of these answers.