BIO 117 HONDROS EXAM 3 ACTUAL EXAM PAPER 2026 QUESTIONS WITH SOLUTIONS GRADED A+

BIO 117 HONDROS EXAM 3 ACTUAL EXAM
PAPER 2026 QUESTIONS WITH SOLUTIONS
GRADED A+


◉ Which layer of the heart allows it to act as a pump?.
Answer: Myocardium


◉ What is the apex of the heart?.
Answer: The tip of the heart, pointing down towards the left 5th
intercostal space.


◉ Which layer of the heart wall contains the epicardium?.
Answer: Pericardium


◉ What surrounds the heart?.
Answer: Pericardium


◉ What is related to the mitral valve (tricuspid valve)?.
Answer: Bicuspid valve

, ◉ Which of the following contains oxygenated blood?.
Answer: Left Atrium, Pulmonary veins, Aorta


◉ Which of the following contains deoxygenated blood?.
Answer: Superior Vena Cava, Right Atrium, Pulmonary Arteries


◉ What supplies oxygenated blood to the heart muscle?.
Answer: Coronary Arteries


◉ Which layer of the heart contains actin, myosin, and troponin?.
Answer: Myocardium


◉ Which valves are open during atrial systole?.
Answer: Tricuspid Mitral


◉ What is true of blood leaving the tissues and traveling towards the
right atrium?.
Answer: Oxygen poor, carbon dioxide rich


◉ Valve that prevents backflow of blood into the left ventricle when
the left ventricle is in diastole?.
Answer: Aortic