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Frank Marion
Anatomy Week 13
Question | Answer |
---|---|
What four structures compose the conduction system of the heart? | SA node, AV node, AV bundle and Purkinje Fibers |
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as | Hematopoietic stem cells |
During fetal circulation, what opening in the septum, between the right and left atria, directs most of the blood so that it bypasses the fetal lungs? | foramen ovale |
Which heart valve is located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called? | Semilunar valves |
What drains much of the superficial leg and foot? | Great saphenous vein |
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical cord? | Flows into inferior vena cava |
Atria is often called______ because they receive blood from vessels called veins. | Receiving Chambers |
A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | Erythropoietin |
Which part of the brain releases the hormone melatonin? | Pineal gland |
The brainstem does not include the | Cerebellum |