With Which of the Following Is "Lubb-Dupp" Associated

question 33

Multiple Choice

With which of the following is "lubb-dupp" associated?

• A)Myocardial contraction
• B)Ventricular depolarization
• C)Closing of heart valves
• D)Diffusion of O₂ from the lungs to the blood in the pulmonary capillaries

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