RBC membrane ACTUAL UPDATED
Exam Questions and CORRECT Answers
mcv of rbc - CORRECT ANSWER -90 fL
reason of high surface area (140 um^2) - CORRECT ANSWER -easy tissue contact
deformability
what is deformability in phrase - CORRECT ANSWER -ability to stretch
deformability of rbc depends on - CORRECT ANSWER -viscosity
geometry
elasticity
What is MCHC (mean cell hemoglobin concentration) - CORRECT ANSWER -32-36%
what happens when there is a rise in MCHC - CORRECT ANSWER -high internal
viscosity
concentration of hgb in blood - CORRECT ANSWER -Mean cell hgb concentration
precipitated hemoglobin - CORRECT ANSWER -Heinz bodies
polymerized hemoglobin - CORRECT ANSWER -hemoglobin S
Crystallized hemoglobin - CORRECT ANSWER -Hemoglobin C
, the relative cytoplasmic viscosity is the - CORRECT ANSWER -mean cell hemoglobin
concentration
why is the cell membrane of rbc compromised as they age - CORRECT ANSWER -
depletion of atp production
when rbc age, why do they have high viscosity - CORRECT ANSWER -low surface area
and hemoglobin concentration not changed
change in sa to volume ratio of rbc causes - CORRECT ANSWER -lysis and
fragmentation
low surface area causes what type of cell - CORRECT ANSWER -schistocyte (
fragmentation)
high cell volume causes what type of cell - CORRECT ANSWER -spherocyte (lysis)
what facilitates the oxygen-carbon dioxide exchange function of rbc - CORRECT
ANSWER -biconcave shape
3. basic function of rbc membrane - CORRECT ANSWER -regulate osmotic pressure
cation concentration
gas concentration
what is the predominant lipid in membrane - CORRECT ANSWER -EQUAL parts of
cholesterol and phospholipids
phospholipids are arranged in bilayered structure called - CORRECT ANSWER -lipid
bilayer leaflet
Exam Questions and CORRECT Answers
mcv of rbc - CORRECT ANSWER -90 fL
reason of high surface area (140 um^2) - CORRECT ANSWER -easy tissue contact
deformability
what is deformability in phrase - CORRECT ANSWER -ability to stretch
deformability of rbc depends on - CORRECT ANSWER -viscosity
geometry
elasticity
What is MCHC (mean cell hemoglobin concentration) - CORRECT ANSWER -32-36%
what happens when there is a rise in MCHC - CORRECT ANSWER -high internal
viscosity
concentration of hgb in blood - CORRECT ANSWER -Mean cell hgb concentration
precipitated hemoglobin - CORRECT ANSWER -Heinz bodies
polymerized hemoglobin - CORRECT ANSWER -hemoglobin S
Crystallized hemoglobin - CORRECT ANSWER -Hemoglobin C
, the relative cytoplasmic viscosity is the - CORRECT ANSWER -mean cell hemoglobin
concentration
why is the cell membrane of rbc compromised as they age - CORRECT ANSWER -
depletion of atp production
when rbc age, why do they have high viscosity - CORRECT ANSWER -low surface area
and hemoglobin concentration not changed
change in sa to volume ratio of rbc causes - CORRECT ANSWER -lysis and
fragmentation
low surface area causes what type of cell - CORRECT ANSWER -schistocyte (
fragmentation)
high cell volume causes what type of cell - CORRECT ANSWER -spherocyte (lysis)
what facilitates the oxygen-carbon dioxide exchange function of rbc - CORRECT
ANSWER -biconcave shape
3. basic function of rbc membrane - CORRECT ANSWER -regulate osmotic pressure
cation concentration
gas concentration
what is the predominant lipid in membrane - CORRECT ANSWER -EQUAL parts of
cholesterol and phospholipids
phospholipids are arranged in bilayered structure called - CORRECT ANSWER -lipid
bilayer leaflet
