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*Circulatory System

QuestionAnswer
In what location of the body does oxygen and carbon dioxide gas exchange take place? A. Alveoli and lungs B. Heart C. Arteries D. Veins A. Alveoli and lungs
The first sound of the heartbeat is created by the? A. Closing of the atrioventricular valves B. Opening of the semilunar valves C. Resignation of the chordae tendineae D. Ventricular muscle contraction echo A. Closing of the atrioventricular valves
Systolic pressure measures pressure in the arteries during? A. Atrial contraction B. Atrial relaxation C. Ventricular contraction D. Ventricular relaxation C. Ventricular contraction
A persons pulse is created by a wave of pressure caused by? A. Atrial contraction B. Atrial relaxation C. Ventricular contraction D. Ventricular relaxation C. Ventricular contraction
The hearts “pace maker” is the? A. Bundle of his B. Chorda tendinea C. Papillary muscle D. Sinoatrial node D. Sinoatrial node
Myocardial ischemia is a condition that results from? A. Complete blockage of a coronary artery B. Death of a portion of myocardial tissue C. Malfunction of an atrioventricular valve D. Partial obstruction of a coronary artery D. Partial obstruction of a coronary artery
What keeps the blood moving through the venous system. A. Expansion&contraction of systemic arteries B. Movement of fluid throughout lymphatic system C. Pressure caused by contraction of ventricles D. Skeletal muscle movement and valves in veins D. Skeletal muscle movement and valves in veins
The smallest branches of veins are called? A. Arterioles B. Capillaries C. Lumina D. Venules D. Venules
The smallest tiny blood vessels that are only one cell thick? A. Arteries B. Arterioles C. Capillaries D. Venules C. Capillaries
A person’s pools is created by a wave of pressure caused by? A. Atrial contraction B. Arrival relaxation C. Ventricular contraction D. Ventricular relaxation C. Ventricular contraction
Normal adult blood volume is approximately? A. 2 liters B. 4 liters C. 5 liters D. 8 liters C. 5 L
The normal composition of blood is approximately? A. 10% plasma, 90% formed elements B. 30% plasma, 70% formed elements C. 55% plasma, 45% formed elements D. 90% plasma, 10% formed elements C. 55% plasma, 45% formed elements
Which of the following blood vessels carried oxygenated blood? A. Brachial vein B. Pulmonary vein C. Pulmonary artery D. Inferior vena cava B. Pulmonary vein
The liquid portion of a clotted blood specimen is? A. Fibrinogen B. Plasma C. Saline D. Serum D. Serum
Patient states he/she is being treated with Coumadin, what does that mean for the phlebotomist? A. Blood may clot slowly B. Patient is pregnant&diabetic C. Blood cell count is abnormally high D. Phlebotomists should refer patient to doctor A. Blood may clot slowly
The term “fibrinogen” refers to? A. Clot retraction B. Platelet degranulation C. Vasoconstriction D. Dissolution of clot and regeneration of vessel D. Dissolution of clot and regeneration of vessel
Which blood cell can pass through blood vessel walls? A. Erythrocyte B. Leukocyte C. Reticulocyte D. Thrombocyte B. Leukocyte
Which type of cell destroys pathogens by phagocytosis? A. Erythrocyte B. Neutrophil C. Red blood cells D. Thrombocyte B. Neutrophil
The liquid portion of a clotted specimen is called? A. Fibrinogen B. Plasma C. Saline D. Serum D. Serum
What happens to blood cells when a blood specimen is centrifuged? A. The cells lyse B. The cells sink to the bottom of tube C. The cells and fluid are throughly mixed D. Nothing happens B. The cells sink to the bottom of the tube
Which of the following are normally the most numerous of the formed elements? A. Platelet B. RBC C. Reticulocytes D. WBC B. RBC
A persons blood type is determined by the presence or absence of certain types of? A. Antibodies on surface of RBC B. Antibodies on surface of WBC C. Antigens on surface of RBC D. Antigens on surface of WBC C. Antigens on surface of RBC
The first response in the hemostatic process is? A. Fibrin formation B. Platelet adhesion C. Thrombin creation D. Vasoconstriction D. Vasoconstriction
Which of the following is an enzyme that plays the major role in coagulation? A. Fibrin B. Heparin C. Plasmin D. Thrombin D. Thrombin
The coagulation process is kept in check by? A. Fibrin degradation B. Natural inhibitors C. Plasminogen enzymes D. Prothrombin activators B. Natural inhibitors
This is the medical term for a blood clot circulating in the bloodstream? A. Aneurysm B. Embolism C. Embolus D. Thrombus C. Embolus
Inflammation of a vein conjunction with formation of a blood clot is called? A. Atherosclerosis B. Phlebosclerosis C. Thrombophlebitis D. Vasculitis C. Thrombophlebitis
Which type of test is affected by tissue thromboplastin contamination? A. Chemistry B. Coagulation C. Microbiology D. Serology B. Coagulation
Obstruction of a blood vessel by an embolus? A. Caused vessel necrosis B. Leads to an aneurysm C. Results in an embolism D. Produces atherosclerosis C. Results in an embolism
The major structural difference between arteries and vein is? A. Arteries are larger in diameter B. Arteries have more tissue layers C. Veins have a thicker muscle layer D. Veins have valves that direct flow D. Veins have valves that direct flow
Which of the following is referred to as a delivering chamber of the heart? A. Aortic arch B. Left ventricle C. Right atrium D. Vena cava B. Left ventricle
Lymph fluid keeps moving in the right direction because of A. Functioning if the lymphatic ducts B. Lymphatic capillary structure C. Pressure from the arterial system D. Valves within the lymph vessels D. Valves within the lymph vessels
One function of the lymphatic system is to? A. Control all body activities B. Make coagulation factors C. Remove and destroy bacteria D. Secrete regulating hormones C. Remove and destroy bacteria
Lymph fluid is most like? A. Serum B. Plasma C. Urine D. Whole blood B. Plasma
Created by: Braela