If the SA node is damaged, nodal rhythm is sufficient to sustain life.
Answer the following statement true (T) or false (F)
True
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The bicarbonate buffer system would not work very well in the human body if not for the action of the respiratory system, which ________.
A. expels HCO3- produced by the buffer system B. supplies the buffer system with CO2 C. expels CO2 produced by the buffer system D. expels H+ produced by the buffer system E. supplies the buffer system with O2
Umami taste is an acidic taste that was first identified and named by a Japanese researcher and triggered by amino acids, especially lysine
a. True b. False Indicate whether the statement is true or false
The first heart sound (lub) is:
A) the sound of ventricular muscle contracting B) the sound of cuspid (AV) valves closing during ventricular systole C) the sound of atrial muscle contracting D) the sound of semilunar valves closing during ventricular diastole
The vaginal fornix:
A) surrounds the vaginal part of the cervix. B) contains the ovaries. C) is part of the broad ligament. D) is the inferior part of the rectouterine pouch. E) is the recess between the external urethral and vagina orifices.