Questionmost Oxygen Entering Explained for Students (Easy Guide)
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questionMost oxygen entering the blood combines with hemoglobin in the ___________. Group of answer choices platelets lymphocytes White blood cells Red blood cells Flag question: Question 2Question 22 pts The pacemaker cells of the heart establish the heart rate and are located in the Group of answer choices Purkinje fibers sinoatrial node atrioventricular node AV bundle Flag question: Question 3Question 32 pts The cusps of atrioventricular valves are attached to papillary muscles by the Group of answer choices Trabeculae carneae Interatrial septa Chordae tendineae Pectinate muscles Flag question: Question 4Question 42 pts Plasma proteins that are important in body defense are the Group of answer choices Immunoglobulins/antibodies Albumins Fibrinogens Lipoproteins Flag question: Question 5Question 52 pts The entrance to the ascending aorta is guarded by the __________ valve Group of answer choices Aortic semilunar Atrioventricular Pulmonary semilunar Bicuspid Flag question: Question 6Question 62 pts Platelets are Group of answer choices Small cells with more than one nucleus Large cells without a nucleus Fragments of large cells with no nucleus Small cells without a nucleus Flag question: Question 7Question 72 pts Erythropoiesis is the formation of: Group of answer choices White blood cells Thrombocytes Platelets Red blood cells Flag question: Question 8Question 82 pts Blood pressure is drastically reduced by the time blood returns to the heart from the systemic circulation. Group of answer choices True False Flag question: Question 9Question 92 pts In adults, red blood cells are formed in Group of answer choices Lymph nodes The liver The spleen Red bone marrow Flag question: Question 10Question 102 pts The two upper chambers of the heart are called ___________, and the two lower chambers are called __________. Group of answer choices arteries, veins tricuspid, bicuspid ventricles, atria atria, ventricles Flag question: Question 11Question 112 pts The lymphatic system is a one-way system Group of answer choices True False Flag question: Question 12Question 122 pts When the ventricular walls contract, Group of answer choices The tricuspid valve is open and the bicuspid valve is closed The bicuspid and tricuspid valves are open The bicuspid valve is open and the triscupid valve is closed The bicuspid and tricuspid valves are closed Flag question: Question 13Question 132 pts Rh+ means that Group of answer choices Red blood cells do not have the Rh antigen Rh antibodies are present in the plasma Rh antibodies are present on the red blood cells Red blood cells have the Rh antigen Flag question: Question 14Question 142 pts The heart is located in the __________. Group of answer choices Pericardial cavity Abdominal cavity Peritoneal cavity Pleural cavity Flag question: Question 15Question 152 pts During hemostasis the phase that occurs immediately and results in contraction of the blood vessels is the Group of answer choices Coagulation phase Vascular phase Intrinsic pathway Platelet phase Flag question: Question 16Question 162 pts __________ is the specific immunity result of immunization or exposure to a pathogen. Group of answer choices Acquired immunity thoracic duct lymphatic vessels lymph node innate immunity Flag question: Question 17Question 172 pts The two collecting ducts that drain the lymph into the blood are the Group of answer choices thoracic duct/left lymphatic duct and right lymphatic duct. lumbar duct and left lymphatic duct. bronchomediastinal duct and subclavian duct. intestinal duct and left intercostal duct. Flag question: Question 18Question 182 pts Which of the following is a phagocyte? Group of answer choices B cell Neutrophil Memory cell Plasma cell Flag question: Question 19Question 192 pts __________ lines the interior surfaces of the heart and is continuous with the lining of blood vessels. Group of answer choices Blood pressure endothelium P wave red blood cells Stroke volume Flag question: Question 20Question 202 pts The left and right pulmonary arteries carry blood to the Group of answer choices Liver Brain Heart Lungs Flag question: Question 21Question 212 pts Life span of __________ is 120 days. Group of answer choices endothelium P wave red blood cells Blood pressure Stroke volume Flag question: Question 22Question 222 pts Compared to the right ventricle, the left ventricle Group of answer choices Has a thicker muscular wall All of the above Is separated from the left atrium by the bicuspid (left AV ) valve Expels blood to the aorta Flag question: Question 23Question 232 pts The __________ receives blood directly from the body through the superior and inferior vena cava Group of answer choices Right atrium Left atrium Left ventricle Right ventricle Flag question: Question 24Question 242 pts The innermost layer of an artery is the Group of answer choices tunica externa. tunica interna. lumen. tunica media. Flag question: Question 25Question 252 pts In fetal circulation, an opening in the interatrial wall, the foramen ovale, connects the __________. Group of answer choices Right and left atria c. Right and left ventricles Left atrium and left ventricle Right atrium and right ventricle Flag question: Question 26Question 262 pts The __________ supplies oxygenated blood to the heart muscle tissue. Group of answer choices Internal jugular veins Right and left coronary veins Superior mesenteric arteries Right and left coronary arteries Flag question: Question 27Question 272 pts The process in which macrophages engulf bacteria and other foreign materials is called Group of answer choices phagocytosis. pinocytosis. lymphocytosis. exocytosis. Flag question: Question 28Question 282 pts The average volume of blood in a human is Group of answer choices 10 – 15 L 4 – 5 L 25 – 30 L less than 2 L Flag question: Question 29Question 292 pts Blood type is determined by Group of answer choices The size of red blood cells The shape of red blood cells The presence or absence of antigens on the red blood cell membrane The antibodies present in the blood Flag question: Question 30Question 302 pts Innate immunity is slow acting and specific Group of answer choices True False Flag question: Question 31Question 312 pts __________ drain fluid from the interstitial space and takes it back to the circulatory system. Group of answer choices lymphatic vessels innate immunity Acquired immunity lymph node thoracic duct Flag question: Question 32Question 322 pts Blood exits the ventricles of the heart through Group of answer choices The right and left atrioventricular valves. The bicuspid and tricuspid valves. None of the above. The aortic semilunar valve and the pulmonary semilunar valve. Flag question: Question 33Question 332 pts The cells in blood that carry oxygen and lack nuclei when they are mature are the Group of answer choices macrophages. white blood cells. platelets. red blood cells. Flag question: Question 34Question 342 pts ___________ carry blood away from the heart. Group of answer choices Arteries Veins Flag question: Question 35Question 352 pts The __________ drain lymph from all of the left side and the lower right side of the body. Group of answer choices lymphatic vessels thoracic duct Acquired immunity innate immunity lymph node Flag question: Question 36Question 362 pts Lymphatic vessels that are found in the small intestine are called Group of answer choices Lymphatic ducts Arteries Veins Lacteals Flag question: Question 37Question 372 pts The volume of blood ejected from the ventricles in one minute is called the Group of answer choices Stroke volume Cardiac output Inspiratory reserve volume Cardiac reserve Flag question: Question 38Question 382 pts The primary functions of lymph include Group of answer choices none of the above. returning proteins to the tissues. returning fluids and solutes to the bloodstream. transporting foreign particles such as pathogens to the kidneys. Flag question: Question 39Question 392 pts Myocardium is composed of Group of answer choices Smooth muscle Cardiac muscle Skeletal muscle None of the above Flag question: Question 40Question 402 pts The amount of blood ejected from the ventricles in a single contraction is termed ___________. Group of answer choices endothelium red blood cells Blood pressure Stroke volume Flag question: Question 41Question 412 pts Platelets Group of answer choices Carry carbon dioxide Produce antibodies Carry oxygen Are instrumental in blood clotting Flag question: Question 42Question 422 pts __________ provides nonspecific immunity. Group of answer choices All of the above B-cells Skin T-cells Flag question: Question 43Question 432 pts T cells mature in the the… Group of answer choices bone marrow blood thymus liver Flag question: Question 44Question 442 pts __________ refers to the pressure in the arterial side of the circulatory system. Group of answer choices Blood pressure P wave endothelium red blood cells Stroke volume Flag question: Question 45Question 452 pts Blood flow from the right ventricle to the lungs and back to the heart is Group of answer choices systemic circulation. hepatic circulation. fetal circulation. pulmonary circulation. Flag question: Question 46Question 462 pts __________ kill(s) infected or cancer cells. Group of answer choices NK cells T cells B cells Antigen Flag question: Question 47Question 472 pts __________ secrete antibodies into the blood. Group of answer choices T cells B cells Glands Memory cells Flag question: Question 48Question 482 pts The following is a list of vessels that blood passes through from the heart back to the heart: Group of answer choices arteries, venules, arterioles, veins, capillaries arteries, arterioles, capillaries, venules, veins arterioles, capillaries, veins, venules, arteries capillaries, venules, veins, arterioles, arteries Flag question: Question 49Question 492 pts A __________ is commonly found in the groin, armpits, neck, chest, and abdomen. Group of answer choices lymphatic vessels Acquired immunity lymph node thoracic duct innate immunity Flag question: Question 50Question 502 pts Heart sounds are blood turbulence caused by Group of answer choices Contraction of the atria The muscle fibers hitting each other Blood entering the aorta The valves closing
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