Anatomy week 10 QUIZ(solved & updated)., Exams of Biology

Download Anatomy week 10 QUIZ(solved & updated). and more Exams Biology in PDF only on Docsity! Anatomy week 10 QUIZ(solved & updated) Which division of the autonomic nervous system sends fibers to the heart? - answer sypathetic,parasympathetic answer:both A and B Platelets play an important role in - answer blood clotting. The _____ drains much of the superficial leg and foot. - answer great saphenous vein The outermost layer of the larger blood vessels is the tunica - answer adventitia Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: - answer hematopoietic stem cells. During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? - answer It flows into the inferior vena cava. Renal veins drain blood from the - answer kidneys The bulk of the heart wall is the thick, contractile middle layer called the - answer myocardium During fetal circulation, what opening in the septum, between the right and left atria, directs most of the blood so that it bypasses the fetal lungs? - answer foramen ovale The normal ECG is composed of all of the following except a - answer E wave. All of the following are granulocytes except - answer lymphocytes The four structures that compose the conduction system of the heart are the - answer SA node, AV node, AV bundle, and Purkinje fibers. The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is - answer hemoglobin A decrease in the amount of white blood cells is called - answer leukopenia From which vessels do myocardial cells receive blood? - answer coronary arteries Mechanical devices that permit the flow of blood in one direction only are called - answer valves Which of the following is not a formed element found in the blood? - answer plasma The _____ is(are) supplied with blood from the left subclavian artery. - answer head and upper extremities Which types of arteries are also called conducting arteries and include the aorta? - answer elastic arteries