10. Which structure does blood pass through immediately beforeentering the right

Question

10. Which structure does blood pass through immediately beforeentering the right atrium? a. vena cava b. aorta c. aatrioventricular valve d. semilunar valve e. left atrium 11. Which structure has the lowest blood presssure in thesystematic circulation? a. vena cava b. aortra c. atrioventricular valve d. semilunar valve e. left atrium 12. The latin root word for 'of the lungs' underlies theterm a. renal b. systematic c. hepatic portal d. pulmonary e. coronary 13. Nutrient and waste exchange occur in the a. arteries b. veins c. aarterioles d. venules e. capillaries 16. Which statement is NOT true about red blood cells? a. they are biconave disks that lack nuclei b. their normal life span is about 120 days c. hemoglobin is a protein that binds oxygen loosely totransport it d. there are about 4-6 million red blood cells per cubicmillimeter of whole blood e. they are mainly produced in the liver 10. Which structure does blood pass through immediately beforeentering the right atrium? a. vena cava b. aorta c. aatrioventricular valve d. semilunar valve e. left atrium 11. Which structure has the lowest blood presssure in thesystematic circulation? a. vena cava b. aortra c. atrioventricular valve d. semilunar valve e. left atrium 12. The latin root word for 'of the lungs' underlies theterm a. renal b. systematic c. hepatic portal d. pulmonary e. coronary 13. Nutrient and waste exchange occur in the a. arteries b. veins c. aarterioles d. venules e. capillaries 16. Which statement is NOT true about red blood cells? a. they are biconave disks that lack nuclei b. their normal life span is about 120 days c. hemoglobin is a protein that binds oxygen loosely totransport it d. there are about 4-6 million red blood cells per cubicmillimeter of whole blood e. they are mainly produced in the liver

Explanation / Answer

10)a. vena cava 11)a. vena cava 12)d. pulmonary 13)e. capillaries 16)e. they are mainly produced in the liver (they are produced in bone marrow)

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