Chapter 7 Flashcards
Test Questions
Which muscles contract to push blood through the heart?
Left and right atrium, left and right ventricle
Pulmonary circulation involves which two organs?
The heart and lungs
What structure carries blood away from the heart?
Aorta (to body) pulmonary arteries (to lungs)
What is the medical term for reduced blood supply to the heart tissue that damages the heart muscle?
Myocardial infarction
What structure returns blood to the heart?
Vena cava (from body), pulmonary veins (from lungs)
The thin, membranous structure surrounding the heart is the?
Pericardium
An instrument used to measure blood pressure is the?
Sphygmomanometer
The sound heard through a stethoscope is caused by?
The sound of valves closing: the two AV valves (bi/tricuspid) then the semilunar valves
The major artery that transports blood from the heart to body tissue is the?
Aorta
Where does blood go after the right ventricle?
Pulmonary arteries through the pulmonary semilunar valve
Where does blood go after the left atrium?
Left ventricle through the mitral/bicuspid valve
When blood returns to the heart from body tissue, it goes to the?
Right atrium
When blood returns to the heart from the lungs, it goes to the?
Left atrium
The medical term for an arterial bulge caused by weakness is?
Aneurysm
CK-MB (Creatine), Myoglobin and Troponin test diagnose?
Myocardial infarction
The smallest blood vessels that have a single layer of endothelial cells are the?
Capillaries
The cephalic vein, basilic vein and median cubital vein are located in the?
Antecubital fossa
Plasma is ______ and 10% fibrinogen, albumin, immunoglobins / antibodies, hormones, electrolytes ect.
90% water
_____ constitutes ____ of whole blood.
Plasma, 55%
What specimen is collected from clotted, centrifuged blood?
Serum
______ _______ constitute 45% of whole blood.
Formed elements
RBCs are also called _______ and they ?
Erythrocytes and the carry hemoglobin for oxygen transport, gives blood red color.
WBCs are also called ______ and they? (Never Let Monkeys Eat Bananas)
Leukocytes and they protect the body against infections
Blood cells are formed in marrow from what long-lived cell?
Stem cells
The enzyme that breaks down fibrinogen to fibrin?
Thrombin
Processes by which blood vessels are repaired after injury?
Hemostasis
Medical term / condition for an increase in the total number of RBCs?
Polycythemia
Medical term for an accumulation of interstitial fluid due to a blocked lymphatic vessel?
Lymphedema
What cells are destroyed in HIV?
Helper T/T4/CD4+ cells
What sells produced in antibodies are high during viral infection?
Natural killed (NK) cells and T cell
What condition has high lymphocytes/Epstein Bar Virus?
Infectious Mononucleoitis