BIO 310 Lab - Exam 2 Review Questions Answered Correctly

BIO 310 Lab - Exam 2 Review Questions Answered Correctly What is the name of surface of the heart closest to the head? - Answers Base What is the name of the point of the heart at its caudal end? - Answers Apex State the path of blood flow through the heart, starting with the vena cava - Answers Vena Cava -- Right atrium -- right atrioventricular/tricuspid valve -- right ventricle (conus arteriosus) -- pulmonary seminar valve -- pulmonary arteries -- pulmonary veins -- left atrium -- bicuspid valve/left atrioventricular valve -- left ventricle -- aortic semilunar -- aorta -- vena cava What feature of the left ventricle distinguishes it from the right? - Answers Pronounced muscular appearance of ventricle walls What is the name of the ear-like appendages on the atria? - Answers Auricles The opening of the right ventricle into the pulmonary trunk is called the... - Answers Conus Arteriosus Large blood vessel that receives blood from the left ventricle - Answers Aorta In early fetal life, this existed as a shunt between the pulmonary trunk and the aorta - Answers Ligamentum Arteriosum 2 Blood Vessels that originate at the base of the aorta and supply blood the the heart itself - Answers Coronary Artery Muscular Ridges of the Auricles - Answers Muscle Pectinati What structure separates the left and right atrium? What distinguishing feature does this structure possess? - Answers Interatrial septum; oval shaped depression called the "fossa ovalis" What valve is between the left atrium and left ventricle? - Answers bicuspid valve What valve is between the right atrium and right ventricle? - Answers Tricuspid valve How are valves anchored in the heart? - Answers Valves are anchored to papillary muscles along the walls of the ventricles, and are connected by chordae tendinae to those muscles What vein is responsible for draining blood from the myocardium? - Answers Great Cardiac Vein This artery (1) is directed cranially from the arch of the aorta; it gives off a small artery (2) before bifurcating into two larger arteries (3,4)? What are the arteries 1, 2, 3, 4? - Answers 1. Brachiocephalic 2. Mediastinal 3. Right common carotid 4. Right subclavian These arteries both branch from the arch of the aorta and run close by the trachea - Answers Right and Left common carotid arteries The right and left subclavian arteries change names based on their location. Moving laterally, how do these names change (2 names)? - Answers Axillary, Brachial Branch of the right subclavian that runs to the sternum, down the thorax, and to the abdomen - Answers Internal Mammary Branches off the aorta that supply blood to the bronchi, esophagus, and intercostal muscles - Answers Bronchial, Esophageal, and Intercostal arteries What "trunk" bifurcates from the subclavian arteries into the cervical arteries? - Answers Thyrocervical trunk What is the aorta called once it passes through the diaphragm? - Answers Abdominal Aorta What are the three branches of the celiac trunk (1, 2, 3)? What organs do they supply (a, b, c)? - Answers 1. Hepatic 2. Left Gastric 3. Splenic a. Liver b. Lesser curvature of the stomach c. Spleen, pancreas, stomach The gastroduodenal artery has three branches. What are they (1, 2, 3) and what organs do they supply with blood (a, b, c)? - Answers 1. Pyloric 2. Right Gastroepiploic 3. Anterior pancreaticoduodenal a. Pylorus b. Greater curvature of stomach c. Duodenum and Pancreas Which arteries supply the descending colon (1) and the ascending colon (2), and transverse colon (3) with blood? What trunks are 1 and 2 connected to, respectively (a, b)? - Answers 1. Left Colic --> a. inferior messenteric