RBC, Anemia, Polycythemia [ Guyton11, Chap32P419] Flashcards
T or F: the major function of RBC is to transport hemoglobin.
TRUE
P419
T or F: RBC is the most abundant cells in the blood.
TRUE
P419
What is the enzyme that caralizwd the reversible reaction between CO2 and H20 to for H2CO3?
CARBONIC
P419
T or F: CO2 is transported by blood inform of bicarbonate ion (HCO3-).
TRUE
P419
What structure is responsible for most of the acid-base buffering power of the whole blood?
RBC
P419
RBC diameter, thickness and ave volume?
Mean diameter: 7.8 micrometers
Thickness:
2.5 micrometers thickest part
1 or less in thinnest part
Ave volume: 90 - 95 cubic micrometers
P419
T or F: people at high altitudes have greater numbers of RBC.
TRUE
P419
Hemoglobin limit in RBC:
34 g / 100 ml of cells
P419
How much oxygen can 1 gram pure hemoglobin is capable of combining to?
1.34 ml
420
Identify the Area of the body that produce RBC: early weeks of embryonic life
YOLK SAC!
P420
Identify the Area of the body that produce RBC: middle trimester of gestation.
LIVER
P420
Identify the Area of the body that produce RBC: last month of gestation.
BONE MARROW
P420
T or F: spleen and lymph nodes are involved in blood production during middle trimester of gestation.
TRUE
P420
A growth inducer that promotes growth and reproduction to virtually all different types of committed stem cells.
INTERLEUKIN-3
P420
What are the proteins that control growth and reproduction of stem cells?
GROWTH INDUCERS
P420
What cause one type of commited stem cell to differentiate one or more steps toward a final adult blood cell?
DIFFERENTIATION INDUCERS
P420
T or F: formation of grown and differentiation inducers is controlled by factors outside bone marrow.
TRUE
P420
T or F: ER is reabsorbed in formation of reticulocyte
TRUE
P422
Which Process by which reticulocyte transfer from bone marrow to capillaries?
DIAPEDESIS
P422
T or F: Anemia causes production of large quantities of RBC.
TRUE
P422
What controls RBC production?
TISSUE DEMAND FOR OXYGEN
P422
