BIOL 102; BIOL102 Quiz Heart, Blood, and Circulatory System_ Score for this quiz: 72 out of 75, Latest Summer 2025.

BIOL 102 Quiz: Heart, Blood, and Circulatory Syste Question 1 3/ 3pts 72 out of 75 The heart condition caused by Lyme disease infectionis _. endocarditis tachycardia myocarditis “blue babies” rheumatic fever Question 2 3/ 3pts Molecules like salts and water move into tissue through __. capillary pores protein pumps protein channels lymphatic vessels venules Question 3 3/ 3pts Blood leaving the left ventricle must pass by which structure before entering the aorta? tricuspid valve bicuspid valve pulmonary valve aortic valve left AV valve Question 4 3/3pts What regulates blood flow through a capillary bed? arteriole flow venule flow heart rate precapillary sphincter status amount of salt in the blood Question 5 3/ 3pts When the left atrium is contracting _. the left ventricle is contracting the right atrium is contracting blood is moving away from the heart blood is leaving the left ventricle the bicuspid valve is closed Question 6 3/ 3pts Most vessels that feed abdominal organs are branches off the __. ascending aorta abdominal aorta thoracic aorta superior vena cava inferior vena cava Question 7 3/3pts Blood pressure receptors are located inthe ___. heart carotid arteries veéna Cava pulmonary arteries entire systemic system Question 8 3/ 3pts The heart wall muscle layer is known as the _. epicardium pericardium endocardium endothelium myocardium Question 9 3/ 3pts Excessive amounts of blood lipids increases the risk of __. arteriosclerosis atherosclerosis hypertension a heart attack angioplasty Question 10 3/3pts The jugular veins drain blood from the _. heart lungs liver brain arms Question 11 3/ 3pts The pulmonary veins deliver blood to the ___. right atrium right ventricle left atrium left ventricle lungs Question 12 3/ 3pts A heart rate above 100 beats per minute is known as _. bradycardia arrhythmia tachycardia atrial fibrillation ventricular fibrillation Incorrect Question 13 0/3pts Which platelet hormone aids in the prevention of blood loss? ATP serotonin heparin fibrinogen thrombin Question 14 3/3pts As red blood cell components are recycled, the heme group is converted by the liverto ___. bilirubin bile iron proteins amino acids Question 15 3/ 3pts The illegal practice of blood doping relieson _. the kidney's response to replace missing red blood cells injections of stem cells positive feedback iron supplements anabolic steroids Question 16 3/3pts Each hemoglobin molecule can carry how many oxygen molecules? 4 6 8 10 12 Question 17 3/3pts Plasma consists mostly of _. salts cells proteins water cell fragments Question 18 3/ 3pts For an adult, average blood volume is about _. 1-2 liters 2-3 liters 3-4 liters 4-5 liters more than 6 liters Question 19 3/3pts Platelets are derived directly from __. lymphoid stem cells megakaryocytes erythrocytes pluripotent stem cells myeloid stem cells Question 20 3/3pts A red bloodcell ___. does not possess a nucleus is made in the plasma can divide in the plasma has the ability to repair itself lives up to 120 months Question 21 3/ 3pts On which portion of the hemoglobin molecule does oxygen bind? protein chain cholesterol side chains iron in the cytoplasm heme group nuclear side chains Question 22 3/3pts The pulmonary veins _. receive blood from the lungs drain blood from the liver carry blood to tissue carry oxygenated blood are found only on the right side of the body Question 23 3/3pts Exchange of materials between blood and tissues depends upon __. high capillary blood pressure high capillary resistance lack of capillary pores slow capillary blood flow active transport processes Question 24 3/ 3pts The tough tendon-like structures that anchor the AV valves are the _. endocardium septum chordae tendineae semilunar valves Purkinje fibers Question 25 3/3pts Which blood test can be influenced by altitude? BUN lipid profile hemoglobin concentration PT TSH Quiz Score:; 72 out of 75