BLOOD Flashcards
AMOUNT OF PLASMA IN BLOOD
55%
AMOUNT OF FORMED ELEMENTS
45%
RBC
ERYTHROCYTES
WBC
LEUKOCYTES
PLATELETS
THROMBOCYTES
RATIO OF RBC TO PLATELETS TO WBC
700/35/1
RED BLOOD CELLS CHARACTERISTICS
NO NUCLEUS
`BICONCAVE DISCS
CONTAINS HEMOGLOBIN
FUNCTION TO TRANSPORT O2 AND CO2
HEMOGLOBIN
33% OF TOTAL RBC WEIGHT
LARGE MOLECULE THAT CARRIES O2 AND CO2
HEME- THE PIGMENT IN HEMOGLOBIN THAT GIVES RBC RED COLOR
POLYCYTHEMIA
TOO MANY RBC/ THICK BLOOD
ANEMIA
TOO FEW RBC
WBC CHARACTERISTICS
HAVE A NUCLEUS THAT STAINS AND APPEARS DARK UNDER MICROSCOPE
LARGER THAN RBC BUT LESS NUMEROUS
FUNCTIONS AS PART OF THE IMMUNE SYSTEMS
WBC ATTACK FOREIGN ANTIGENS AND PATHOGENS
NEUTROPHILS
60%-70%
TARGET BACTERIA
LYMPHOCYTES
20%-25%
TARGET VIRUS
MONOCYTES
3%-8%
TARGET FUNGI
EOSINOPHILS
2%-4%
TARGET ALLERGIES/PARASITES/ AUTO IMMUNE DISORDERS
BASOPHILS
.5%-1%
TARGET CANCER
LEUKOCYTOSIS
TOO MANY WBC
LEUKOPENIA
TOO FEW WBC
MEGAKARYOCYTES
FORMED IN RED BONE MARROW AS VERY LARGE CELLS
BREAK INTO FRAGMENTS BEFORE CIRCULATING THROUGH THE BLOOD
FUNCTION TO PROTECT THE BODY BY FORMING A PLATELET (PLUG) TO STOP BLEEDING.
THROMBOCYTHEMIA
TOO MANY PLATELETS
THROMBOCYTOPENIA
TOO FEW PLATELETS
ANTIGEN
MOLECULE (PROTEIN) FOUND ON THE SURFACCE OF RBC THAT IDENTIFY CELLS ACCORDING TO WHICH PROTEIN IT IS ( A, B, A&B) CAN ILLICIT AN IMMUNE RESPONSE
ANTIBODY
APPEARS IN THE BLOOD SHORTLY AFTER BIRTH. IT WILL BIND TO THE ANTIGEN ON THE RBC AND DESTROY THE CELL IF IT THE WRONG TYPE.
4 TYPES OF BLOOD
A, B, AB, O