The function of the coronary sinus is to
A. connect the top and bottom halves of the heart.
B. guide the aorta out of the heart.
C. guide the inferior vena cava into the right atrium.
D. take blood from the coronary circulation to the right atrium.
E. shunt blood from the right atrium to the left atrium.
D
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A person having valve replacement surgery is reviewing the cardiac cycle. Which valve has to function at maximum level to ensure that oxygenated blood moves through the general circulation?
A) Mitral B) Pulmonary C) Aortic D) Tricuspid
A continuous capillary differs from a fenestrated capillary because
A) the endothelium is a complete lining, with endothelial cells connected by tight junctions and anchoring junctions, which is untrue for a fenestrated capillary. B) this is a classification by location only, and does not have any structural significance. C) a continuous capillary has a continuous media and externa; a fenestrated one does not. D) a continuous capillary has pores arranged in an ordered pattern; a fenestrated one does not. E) All of the answers are correct.
Descending branches of the vagus nerve and splanchnic nerves leaving the sympathetic chain are contained within the ________ plexus.
Fill in the blank(s) with the appropriate word(s).
Compare the hearts of a trained athlete and a non-athlete
What will be an ideal response?