Cardiovascular System: Blood, Heart, and Blood Pressure Key Concepts
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44 Terms
Formed Elements
RBCs, WBCs, Platelets
Blood pH
7.35-7.47
Wright's Stain
Blood smear stain
Erythrocyte
RBC carries oxygen
Neutrophil
Most abundant WBC
Eosinophil
Parasites/allergies
Basophil
Histamine and heparin
Lymphocyte
Adaptive immunity
Monocyte
Becomes macrophage
WBC Order
Neutrophil>Lymphocyte>Monocyte>Eosinophil>Basophil
Leukocytosis
>11,000 WBC/mm3
Leukopenia
<4,000 WBC/mm3
Leukemia
Cancer of WBCs
Polycythemia
Increased RBCs
Anemia
Reduced oxygen carrying capacity
Hematocrit
% RBCs
Hemoglobin
Oxygen-binding protein
Bleeding Time
Platelet function
Coagulation Time
Clotting
Type A
A antigen, anti-B
Type B
B antigen, anti-A
Type AB
A&B antigens, no antibodies
Type O
No antigens; anti-A & anti-B
Rh+
Has D antigen
Rh-
No D antigen
Antigen
Cell marker
Antibody
Attacks foreign antigens
Atherosclerosis
Plaque buildup in arteries
Systole
Ventricular contraction
Diastole
Ventricular relaxation
Cardiac Cycle
One heartbeat
Heart Rate
60-100 bpm
S1
AV valves close
S2
Semilunar valves close
Murmur
Abnormal valve sound
Valve Mnemonic
Apple Pie Tastes Mmm
Pulse
Pressure wave
Blood Pressure
Force against artery walls
Systolic Pressure
Pressure during contraction
Diastolic Pressure
Pressure during relaxation
Normal BP
120/80 mmHg
Stethoscope
Auscultation
Sphygmomanometer
BP cuff
Korotkoff Sounds
Used to determine systolic/diastolic BP