BIO 122 1. The bicuspid valve prevents the backflow of blood into the: a. right

Question

BIO 122 1. The bicuspid valve prevents the backflow of blood into the: a. right atrium b. right ventricle c. left atrium d. left ventricle e. aorta 2. Oxygenated blood would be found in which of the following vessels? a. inferior vena cava b. pulmonary artery C. superior vena cava d. pulmonary vein e. coronary sinus 3. That part of the heart's conduction system which transmits the impulse between atria and ventricles is the: a. SA Node b. Fossa ovalis c. Bundle of His d. AV Node e. Purkinje fiber 4. The tricuspid valve is open a. b. c. d. during ventricular diastole when blood is moving into the pulmonary trunk during ventricular systole when the bicuspid valve is closed all of the above y which of the following represents atrial depolarization in an EKG? a. P wave b. QRS complex c. S-T interval d. T wave e. P-R interval first heart sound, lubb is due to: atrial systole b. closing of the A-V valve c. opening of the A-V valve d. closing of the semilunar valve opening of the semilunar valve

Explanation / Answer

1) d- left ventricle

2) d- pulmonary vein

3) a- SA node

4) a- during ventricular diastole

5) a- P wave

6) b- closing of the A-V valve

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