From what structure/vessel do the left and right coronary arteries arise?Multiple choice question.pulmonary trunkleft atriumright atriumaorta

Fill in the Blank QuestionFill in the blank question.The right and left coronary arteries arise from the .

Which of the following structures is found between the right atrium and the right ventricle in a mammal?Multiple choice question.The SA nodeThe aortic valveThe tricuspid valveThe bicuspid valve

Where does the blood that enters the left atrium come from?Multiple choice question.right ventricleleft ventriclepulmonary veinspulmonary arteries

The pulmonary trunk divides into what two vessels?Multiple ChoiceSuperior and inferior venae cavaeLeft and right pulmonary arteriesAscending and descending aortaLeft and right pulmonary veins

Which ONE of the following statements regarding the right atrium of the heart is CORRECT?Group of answer choicesIts opening into the right ventricle is guarded by the tricuspid valveIt receives de-oxygenated blood from the pulmonary veinsIt receives de-oxygenated blood via pulmonary arteriesIt forms the base of the heart between the superior and inferior venae cavaeThe ligamentum arteriosium is a remnant of the fetal circulation that is associated with it