When the aortic semilunar valve closes and blood bounces off of it, it produces the ________ heart sound that is ultimately related to when the ________.
A. dupp (S2); ventricles relax
B. lubb (S1); ventricles relax
C. lubb (S1); ventricles contract
D. dupp (S2); atria relax
E. lubb (S1); atria contract
Answer: A
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a. type A b. type B c. type O d. type AB e. type ABO
Patient RX has been stabbed in the anterior, medial region of the right femoral region. What is the best description to tell the patient's family where the injury was located?
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A sustained muscle contraction is referred to as ________.
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A patient has a vital capacity that is 65 percent of his predicted vital capacity. What is the clinical interpretation of this value?
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