Blood Flashcards
(177 cards)
Blood is a connective tissue.
T/F
T
Blood is composed of the cellular elements which are ___,____,____ all suspended in the fluid portion called the ______.
wbc, rbc & platelets
plasma
Total volume of circulating blood in a man is about ___litters in male and _____ Litters in female
- 6
4. 5-6
Blood is About _____% by weight in a 70kg man.
Plasma volume is about ___% accounting for __L
The formed element accounts for between -% of the total blood volume
7-8
55
3
43-45
Charactersistic of Blood
- ______ color for oxygenated
- _____ color for deoxygenated
- pH range from ___ to ____ (______)
- typical volume in adult male - L
- typical volume in adult female __L
- About __% of body weight
bright red
dark red/purplish
7.35 to 7.45 ; slightly alkaline
5-6
4-5
8
Which is more dense, water or blood
Blood is much more dense than pure water
Temperature of the blood
slightly warmer than body temperature 100.4 F
Production of blood cell
➢ In fetus- Blood cells are formed in _____ and later in the ____ and ____
➢In infants-Blood cells are produced in _____ of ___ bones
➢Adults – Blood cells are formed in _____ of the ___ bones i.e _____ and _____
yolk sac; liver and spleen
Bone marrow; all
Bone marrow; long
upper humerus and femur
The active marrow responsible for blood cells production is known as ____ marrow while the inactive one is called _____ marrow
red
yelow
The population of committed stem cells in the marrow showed that ___% are white blood cells and ___% are red blood cells
75
25
Stages in Red blood cells production (Erythropoiesis)
- ____ cell stage
- _________ cells stage
- _______ cells stage
- ________ cells stage
- ______ stage
- _____ stage.
- _________ stage
Stem
Burst- FUE
CFU-E
Proerythroblast
Erythroblast
Reticulocyte
Mature red blood cells stage
Stem cell stage of erythropoiesis : These are ________ cells
Burst- FUE cells stage of erythropoiesis(_________ cells)
CFU-E cells stage (________ cells).
uncommitted stem
Burst-forming unit-erythroid
Colony-forming unit-erythroid
______ and ____ are the EPO (erythropoietin) dependent stage of erythropoiesis
_______ is the EPO& iron dependent stage.
_______ is the Iron dependent stage.
Burst- FUE cells stage
CFU-E cells stage
Proerythroblast cells stage.
Erythroblast stage
The stage ________ is where testosterone stimulates rbc production
between 3-4
Erythroblast stage of erythropoiesis is divided into;
(i) . Early Eryryhtroblast stage:- Phase-1, It involves _______
(ii) . Late erythroblast stage:- Phase-2, Involves __________.
(iii) . Normoblast stage:- Phase 3, The stage of _______ of the _____
ribosome synthesis.
accumulation of haemoglobin
ejection of the nucleus.
The whole process of erythropoiesis requires an average of ____ days ( ____ weeks) for the rbc maturation.
Stage 1 to stage __ takes about _____ days. Stage __ to stage _ takes about _____ days
Stage _ to stage __ takes about ___ days.
The whole process takes place in the ______
26
3
3; 10-14
3 to 5;5-7
6 to 7; 1 -2
peripheral bone marrow.
➢ Erythrocyte are also known as ________
red blood cells
Matured rbc is (nucleated or non nucleated?) &has a ____ shape
non nucleated
biconcave
Rbc has a diameter of ___micrometer, edge thickness of ___ ¢er thickness of ___ micrometer
- 5
- 5
- 5
Rbc
There are about ___ million /mm3 of blood with variation between the two sexes
➢Male _____ &Female ______ million cells/mm3 of blood
5
- 5-6
- 3-4.5
Gonadal hormone testosterone in male is a rbc differenciation inducer
T/F
T
The shape of the rbc provides maximum surface area for the (small or large?) volume of the cell and (small or large?) diffusion surface for passage of gases
Small
Large
__________ dehydrogenase is present on the membrane of rbc and helps to utilize _____,____, and ___
Glucose-6phosphate
glucoce,O2 and ATP.
Life span of rbc is ___ days
120