Exam (elaborations) AP II Module 4 Exam

The circulatory system is response for which of the following functions? Supply cells with oxygen Transportation of gases Rid cells of waste Prevents loss of blood Correct! All the above Question 2 2 / 2 pts The heart is contained in the _______ cavity. Correct! Pericardial Pleural Septal Rectoperineal Question 3 2 / 2 pts Which layer of heart anchors it to the diaphragm? Endocardium Mediastinal Myocardium Correct! Pericardium Question 4 4 / 4 pts What is the purpose of the fossa ovalis in a fetus? Your Answer: The fossa ovalis marks the place of an opening between the atria which is present in all developing fetuses. It allows fetal blood to move directly from right to left atrium, bypassing he undeveloped lungs. The fossa ovalis closes during birth so that the lungs can receive oxygen once the baby is born. Question 5 10 / 10 pts Label the figure below (A-E): A: B: (In blue) C: D: E: Your Answer: A: Aorta B: Right Ventricle C: Mitral/Bicuspid/Left AV Valve D: Left Atrium E: Pulmonary Trunk Question 6 3 / 3 pts Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) Your Answer: Left Coronary Artery Question 7 3 / 3 pts Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow) Your Answer: Left Coronary Artery Circumflex branch (of Left Coronary Artery) Question 8 4 / 4 pts Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow)