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extra credit terms

blood & heart

QuestionAnswer
arteriosclerosis (arterio=artery/sclerosis=hardened) the hardening of arteries with age
atherosclerosis lipid (cholesterol) plaque reduces blood flow
coronary artery disease (CAD) heart arteries clogged by plaque, clots may form
ischemia reduced blood flow to heart
angina pectoris pain caused by reduced blood flow to heart (heart pain)
myocardial infarction (MI) heart attack, blood flow blocked, heart muscles die
arrhythmias irregular heart beat, not in normal sinus rhythm / fillibration- use defillibrators to shock heart
heart failure heart weakens to degree that it cannot maintain adequate blood flow, several causes
pericarditis inflammation of pericardial membrane (itis=inflammation)
polycythemia high rbc count
anemia low rbc count- cannot transport enough oxygen
leukemia series of diseases of wbc's/ cancer of wbc forming cells
hemophilia bleeder's disease, inherited from mom to son
sickle cell disease abnormal hemoglobin which gives up oxygen to interstital fluid and causes the cell to sickle and rupture easily- erythropoiesis cannot keep pace with hemolysis- prolonged oxygen reduction may cause extensive tissue damage
jaundice yellowing of skin and eyes due to excess bilirubin in the blood
thrombocytopenia (penia=poverty) very low platelet count that results in a tendency to bleed from capillaries
Created by: ShellyA&P
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