blood cells

Question 1

most numerous cells

Answer 1

erythrocytes

Question 2

no of erythrocytes in human

Answer 2

4-6*10^6 /ul

Question 3

no of erythrocytes in goat

Answer 3

14-16 million/ul

Question 4

no of erythrocytes in poultry

Answer 4

2-3 million/ul

Question 5

which rbc are nucleated

Answer 5

biconvex RBCs of poultry

Question 6

which family has elliptical rbc

Answer 6

camilidae

Question 7

diameter of rbc

Answer 7

7-8um

Question 8

rbc of variable shape seen in

Answer 8

goat(anisocytosis)

Question 9

mcv expressed in

Answer 9

femtolitre

Question 10

mch expressed in

Answer 10

picogram

Question 11

mchc expressed in

Answer 11

percentage

Question 12

when does erythropoiesis start

Answer 12

pre natal life

Question 13

how long does erythropoiesis last

Answer 13

life long

Question 14

organ of erythropoiesis in
1.pre natal life
2. late fetal life
3. young ones
4. adults

Answer 14

1. yolk sac
2. liver and spleen
   3.bone marrow of long bones
3. bone marrow of flat bones

Question 15

which parts of the body retain the ability to produce rbc

Answer 15

liver spleen and thymus in case of defect in bone marrow

Question 16

precursor of RBCs

Answer 16

stem cells or common progenitor cells

Question 17

erythropoietin-
1. release cause
2. release site
3. target organ

Answer 17

1. hypoxia
   2.kidneys
2. bone marrow

Question 18

different stages of erythrocyte development

Answer 18

erythroblast/rubriblast—–rubricyte—–polychromatic rubricyte—–reticulocyte(has a small amt of nuclear material)—–mature rbc

Question 19

which stage does hb develop in rbc

Answer 19

polychromatic rubricyte

Question 20

vitamins required for erythropoiesis

Answer 20

sino cobal amine(B12) and folic acid

Question 21

minerals requid for erythropoiesis

Answer 21

cobalt and iron(+2)

Question 22

lifespan of horse rbc

Answer 22

140 days

Question 23

lifespan of cattle rbc

Answer 23

90 days

Question 24

lifespan of human rbc

Answer 24

120 days

Question 25

products of hemolysis

Answer 25

heme( porphyrin+ fe) and globin

Question 26

components of haemoglobin reutilised

Answer 26

fe and globin(amino acids)

Question 27

fate of porphyrin

Answer 27

undergoes redox rexn to give bile salts

Question 28

pink colour of hb due to

Answer 28

heme component

Question 29

precursor of heme

Answer 29

acetyl coa + glycine= delta-aminolevulinic acid

Question 30

how many delta-ALA combine to form what

Answer 30

2 combine to form porphyrinogen

Question 31

how many porphyrinogen for a pyrolle ring

Answer 31

4

Question 32

haemorrhage causes what anemia

Answer 32

hypochromic / microcytic

Question 33

deficiency causes what anemia

Answer 33

macrocytic / hypochromic

Question 34

causes of aplastic anemia

Answer 34

exposure to x-rays , radiation, drugs,mrtabolites

Question 35

causes of deficiency anemia

Answer 35

deficiency of nutrients, CIF and disease like gastritis

Question 36

isotonic solution

Answer 36

0.9% NaCl solution

Question 37

what happens to rbc in hypertonic solution

Answer 37

crenation( folding of memb)

Question 38

causes of hemolysis

Answer 38

sphaerocytosis, sickle cell anemia, thallesemia, protozoan

Question 39

tlc

Answer 39

7-10 thousand/ul

Question 40

shape of wbc[

Answer 40

amoeboid/ motile

Question 41

organ of leucopoiesis

Answer 41

bone marrow

Question 42

site of hemolysis

Answer 42

reticuloendothelial organs/ tissue( spleen liver and lymphoid organs)