It includes ECG, platelets, WBC, RBC, heart anat and phys, arteries and veins
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| P wave | represents atrial depolarization
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| PR interval | represents a slight delay in the transmission of the impulse from the AV node to the ventricles
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| QRS complex | represents ventricular depolarization
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| ST segment | represents time between ventricular depolarization and repolarization
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| T wave | represents ventricular repolarization
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| QT interval | represents ventricular systole
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| pulmonary trunk | carries blood from the right ventricle and divides into the left and right pulmonary arteries
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| left and right pulmonary arteries | carry blood to the lungs to be oxygenated
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| pulmonary veins | empty newly oxygenated blood into the right atrium
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| ascending aorta | departs the heart
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| aortic arch | three major branches stem off
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| brachiocephalic artery | short artery will quickly branch into the right common carotid artery and the right subclavian artery
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| common carotid artery | leads up through the right and left sides of the neck
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| subclavian artery | third branch off of the aortic arch (left) and branches off of brachiocephalic (right); passes through the shoulders
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| axillary artery | passes through axillary region
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| brachial artery | branches form axillary
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| ulnar artery | inside arm, branches from brachial
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| radial artery | outside arm, branches from brachial
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| descending thoracic aorta | runs along dorsal wall of the cavity, just left of spinal column
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| descending abdominal aorta | passes through the diaphragm and enters the abdominal vacity where it travels along the posterior wall of the cavity, resting on the anterior surface of the spinal column
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| celiac trunk | supplies the stomach, spleen, pancreas, and liver; left gastric artery, splenic artery, and common hepatic artery branch off
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| superior mesenteric artery | supplies the small and large intestine. attaches to the aorta superior to, but very close to the left renal artery
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| inferior mesenteric artery | supplies the distal portion of the large intestine
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| renal arteries | paired; one of the renal arteries departs the descending aorta before the other
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| gonadal arteries | depart the aorta between the renal arteries and the inferior mesenteric artery
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| common iliac arteries | divides into an internal and an external iliac artery then they branch into the femoral artery
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| common iliac veins | divides into an internal and an external iliac vein then into the femoral vein
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| inferior vena cava | travels to the right of the aorta, along the back the abdominal cavity to where it passes through the diaphragm behind the liver
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| renal veins | drain directly into the inferior vena cava
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| right gonadal vein | connects directly to the inferior vena cava
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| left gonadal vein | drains into the left renal vein
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| hepatic portal blood flow | blood from the stomach, liver, spleen and pancreas, small intestine and large intestine passes through a second capillary bed
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| inferior mesenteric vein | drains into the splenic vein
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| splenic vein | drains with the gastic vein into the superior mesenteric cein to form the hepatic portal vein
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| brachial, ulnar, and radial veins | there are two brachial veins that break off into two ulnar veins and two radial veins
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| neutrophils | phagocytize bacteria
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| eosinophils | phagocytize allergens and antigen-antiboody complexes, combat parasites
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| basophils | release histamine and heparin
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| monocytes | phagocytize pathogens, dead cells and debris; become macrophages
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| lymphocytes | destroy virus-infected cells and cancer cells, coordinate immune system, secrete antibodies
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| coagulation | clotting cascade
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| platelet plug | adhesion of platelets to the damaged vessel wall or exposed connective tissue, and aggregation to each other, creating the physical plug
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| vascular spasm | immediate local contraction of the smooth muscle of injured vessel to decrease its diameter
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| SA node | normal paccemaker of the heart, initiates each electrical and contractile cycle
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| AV node | sends electrical signal through the ventricle walls via the AV bundle, bundle branches and purkinje fibers
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| hematocrit | measures the proportion of the blood volume comprised of erythrocytes
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| megakaryocytes | large bone marrow cell that contains storage granules of numerous chemicals including factors that activate coagulation
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