Body fluids and circulation

Question 1

what is the origin of connective tissue ?

Answer 1

mesodermal

Question 2

what is the percentage of plasma in blood?

Answer 2

55%

Question 3

types of proteins in plasma ?

Answer 3

globulin (alpha, beta - produced in liver ) ( gama - plasma cells)

albumin (produced in liver)

fibrinogens and prothrombin

Question 4

Formula for serum ?

Answer 4

plasma - clotting factors

Question 5

where does erythropoesis takes place in embroyonic stage ?

Answer 5

yolk sac in liver

Question 6

blood platelets are formed by

Answer 6

megakaryocytes

Question 7

RBC are formed by

Answer 7

reticulocyte

Question 8

what is the percentage ofnetrophil in blood ?

Answer 8

60 -65%

Question 9

what is the percemtage of basophil in blood ?

Answer 9

0.5- 1%

Question 10

where are lymphocytes formed ?

Answer 10

in spleen (others in bone marrow)

Question 11

what is the full form of PMNL ?

Answer 11

Polymorpho nuclear Leucocyte

Question 12

what is the shape of rbc of lama and camel ?

Answer 12

oval and bicon

Question 13

what is the life span of human rbc ?

Answer 13

120 days

Question 14

haem group has

Answer 14

pophrin ring having fe2+

Question 15

globin chain in adult hb

Answer 15

2 alpha

2beta

Question 16

globin chains in foetal hoemoglobin

Answer 16

2 alpha

2 gama

Question 17

lecocytosis

Answer 17

wbc increase due to infection

Question 18

what is the function of thromboplastin ?

Answer 18

stoppage of action of heparin

Question 19

blood grouping was given by

Answer 19

landsteiner

Question 20

antigen on rbc are made of

Answer 20

glycoprotein

Question 21

which blood group is the universal donor

Answer 21

O Negative

Question 22

which blood group is the universal recepitent

Answer 22

AB positive

Question 23

what is ERYTHROBLASTOSIS FOETALIS ?

Answer 23

clumping of foetus rbc because mother develops anti rh

cure — give mother enough anti rh antibodies

Question 24

which organisms have open circulatory system ?

Answer 24

arthropods, non cephaloppod molluscs, tunicates or urochordtes, hemichordates and echinoderms

ANTHE

Question 25

what is special about heart of fish ?

Answer 25

they have VENUS heart that is it pumps deoxygenated blood

Question 26

human heart is myogenic

Answer 26

special muscles in heart can initiate the heart beat on its own

Question 27

what is cardiac notch ?

Answer 27

deflection of anterior border of left lung to crete space for heart because it is tilted

Question 28

which heart layer is common for both wall and covering ?

Answer 28

visceral pericardium or epidcardium

Question 29

coronary sulcus is present between

Answer 29

atrium and ventricle

Question 30

tricuspid and bicuspid{mitral} valve never flip up because

Answer 30

they are attched to papillary muscles through chordae tendonae

Question 31

what is Foramen ovale ?

Answer 31

opening present between left and right atrium in foetal life dil may ched closes after birth and forms fossa ovals

Question 32

what is the name of the injection given to rh negative mother ?

Answer 32

rheogam

Question 33

between which layers paricardial fluid is present

Answer 33

parietal paricardium and epicardium or visceral pericardium

Question 34

tricupsid valve is on which side

Answer 34

right side

Question 35

specialised cardiac musculature?

Answer 35

nodal tissue

Question 36

sa node

Answer 36

pacemaker as it can generate action potential of 70-75 /min maintains rhytm of heart

Question 37

Thebasian valve

Answer 37

present in the coronary sinus and coronary sinus provides blood to heart and is present in right atrium

Question 38

what is DUCTUS ARTERIOSUS

Answer 38

opening between aorta and pulmonary artery closes after birth and forms ligamentum arteriosum

Question 39

av node

Answer 39

pacesetter action pptential 60-65/min

Question 40

bundle of his or av bundle

Answer 40

action potentail 40-45/min

Question 41

purkinjee fibres

Answer 41

20-25/min once it receives the signal walls of ventrical start contractind

Question 42

time between first and second heart sound

Answer 42

0.3 sec

Question 43

time between second heart sound and first heart sound

Answer 43

0.5

Question 44

stoke volume =

Answer 44

EDV- ESV end diastolic volume end systolic volume

Question 45

heart murmur

Answer 45

sound due to damage of valves

Question 46

atrial deporalisation is shown by

Answer 46

p wave

Question 47

depolarisation of ventricls is shown by

Answer 47

QRS wave

Question 48

repolarisation is shown by

Answer 48

t wave end of ventricular systole