Mechanisms that do not help regulate blood pressure include ________
A) nervous control that operates via reflex arcs involving baroreceptors, chemoreceptors, and higher brain centers
B) chemical controls such as atrial natriuretic peptide
C) the dural sinus reflex
D) renal regulation via the renin-angiotensin system of vasoconstriction
C
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The skull and vertebral column are part of the ________ skeleton
A) axial B) apical C) appendicular D) articulated E) sagittal
The four prominent muscles on the anterior thigh comprise the ________ muscle group
A) quadriceps femoris B) hamstring C) gluteal D) rhomboid E) adductor
Blood within liver sinusoids comes from the hepatic artery and is headed toward the hepatic portal vein
Indicate whether this statement is true or false.
Define cardiac regurgitation
A) Cardiac regurgitation is the flow of blood from the ventricles into the outflow vessels. B) Cardiac regurgitation is the flow of blood back into the right and left atria from the veins. C) Cardiac regurgitation is the flow of blood into the ventricles during atrial contraction. D) Cardiac regurgitation is the backflow of blood into the atria when the ventricles contract. E) Cardiac regurgitation is the backflow of blood into the ventricles from the outflow vessels when the ventricles relax.