HONDROS BIO 117 EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 (100% Verified)

HONDROS BIO 117 EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 (100% Verified) Which layer of the heart is found on the inside? - ANSWER Endocardium The heart is positioned in-between what? - ANSWER The lungs Which layer of the heart is the thickest and is made of cardiac muscle? - ANSWER Myocardium The base of the heart is located at the... - ANSWER at the 2nd rib What fluid can be found between the visceral and parietal pericardium? - ANSWER Serous fluid What are the layers of the heart? - ANSWER endocardium, myocardium, epicardium and pericardium The pulmonary arteries take blood to: - ANSWER The lungs What is the "inside layer" of the heart - ANSWER Endocardium Blood flows from the superior/inferior vena cava into: - ANSWER right atrium What is the thick muscular layer of the heart that is responsible for pumping blood? - ANSWER Myocardium The pulmonary veins take blood to: - ANSWER left atrium What type of muscle is the Myocardium of the heart? - ANSWER Cardiac muscle The tricuspid valve is found: - ANSWER Between the right atrium and right ventricle What layer of the heart is directly attached to the heart? - ANSWER Epicardium The pulmonary valve is found: - ANSWER Between the right ventricle and the pulmonary arteries HONDROS BIO 117 EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 What layer surrounds the heart but does not directly touch it? - ANSWER Pericardium The bicuspid (or mitral valve) is found: - ANSWER Between the left atrium and left ventricle Where in layers of the heart can pericardial fluid be found? - ANSWER Between the Epicardium and Pericardium The "hardest working" and thickest chamber of the heart is... - ANSWER The left ventricle What is the condition and result when too much pericardial fluid accumulates between the epicardium and pericardium? - ANSWER Pericardial Effusion Which vessel carries blood from the pulmonary capillaries to the left atrium? - ANSWER pulmonary veins What is the thick structure that runs down the middle of the heart and separates the inside of the heart into right and left parts? - ANSWER Septum (True or False) The left side of the heart pumps blood to the lungs to receive oxygen - ANSWER False Name the blood vessels that deliver oxygenated blood to the heart tissue. - ANSWER Coronary arteries Which of the following are AV valves? Tricuspid Bicuspid Pulmonary Aortic - ANSWER Tricuspid and Bicuspid When do the atria relax (diastole)? - ANSWER After the P Wave The coronary arteries deliver ______________________ to the heart tissue. - ANSWER Oxygenated blood What wave represents "all chambers relaxed"? - ANSWER T wave Which of the following are semilunar valves? Tricuspid Bicuspid Pulmonary Aortic - ANSWER Pulmonary and Aortic The second heart sound is heard at all what wave? - ANSWER T wave Name the blood vessels that drain deoxygenated blood from the heart tissue. - ANSWER Coronary Veins The amount of blood pumped by our heart in one minute is called what? - ANSWER Cardiac Output Why do we have valves in our heart? - ANSWER To prevent back flow The sympathetic nervous system would cause our heart rate to: - ANSWER Increase The coronary veins drain ________________________ from the heart tissue. - ANSWER Deoxygenated Blood The parasympathetic nervous system would cause our heart rate to: - ANSWER Decrease The closing of which set of valves causes the "first heart sound"? - ANSWER AV Valves Which cranial nerve is the largest parasympathetic nerve and goes to the heart (amount other organs - ANSWER CN X (Vagus Nerve) All of the coronary veins merge into where? - ANSWER Coronary Sinus (True or False) The right ventricle pumps blood through the pulmonary valve to the body - ANSWER False The closing of which set of valves causes the "second heart sound"? - ANSWER Semilunar Valves Name the large vein of the heart that drains into the right atria - ANSWER Coronary Sinus Absorption occurs where? Mouth Esophagus Stomach Small intestine Large intestine - ANSWER Small intestines and large intestines Chemical digestion occurs where? Mouth Esophagus Stomach Small intestine Large intestine - ANSWER Mouth, Stomach, and Small Intestines. Which of the following events happens at the P wave? - ANSWER Atria Contract How many times does the heart pump blood? - ANSWER Twice All of the following sphincters are smooth muscle EXCEPT: Upper esophageal Pyloric Internal anal Ileocecal External anal - ANSWER External anal The heart pumps blood once to the lungs to get oxygen during what type of circulation? - ANSWER Pulmonary The heart pumps blood to the body to deliver oxygen during what type of circulation? - ANSWER Systemic