Diapedesis is
movement of erythrocytes to injury site
migration of cells through the walls of blood capillaries into the tissue spaces
contraction of muscles
none of these
Correct Answer :
B. migration of cells through the walls of blood capillaries into the tissue spaces
Related Questions
An excess of tissue fluid in the extracellular space is called
atherosclerosis
ischemia
oedema
asthma
RBCs placed in a hypertonic solution
retain their size
shrink
burst
die
Blood has no role in the transport of O^2 in
earthworm
leech
lung fishes
insects
The normal diastolic pressure in an adult human being ranges between
70-100 mmHg
60-80 mmHg
90-120 mmHg
60-90 mmHg
A person with blood group 'C required blood transfusion. Blood of which group can be given to him?
A only
AB only
Bonly
Oonly
The life of erythrocytes in mammalian blood is about
120 days
150 days
190 days
180 days
Diapedesis is
movement of erythrocytes to injury site
migration of cells through the walls of blood capillaries into the tissue spaces
contraction of muscles
none of these
Pacemaker of the heart is
S.A. node
A.V. node
A.V. septum
LA. Septum
The larger lymphatic organ in the body is
lymph node
liver
pancreas
spleen
The largest blood corpuscle is
monocyte
thrombocyte
erythrocyte
lymphocyte
The nerve like modified muscle in the right auricle is called
atrioventricular node
pacemaker
bulbus artriosus
none of these
A condition characterised by an increase in the number of erythrocytes in the circulation is
leukemia
polycythemia
anemia
polydipsia
If blood cells from blood are elminated, the liquid left is
serum
plasma
water
haemoglobin
The sympathetic nerve causes the heart rate to
increase
decrease
show no change
stroke volume increases
The left atrioventricular aperture in man is guarded by
tricuspid valve
simple valve
bicuspid or mitral value
sphincter value
Universal recipient is the person with the blood group
A
B
AB
O
The chamber of the mammalian heart from which deoxygenated blood is sent for oxygenation is
right auricle
right ventricle
left auricle
left ventricle
The diameter of capillaries for the RBCs to pass is
4 fim
less than 5 fim
more than 5 Jim
more than 10 Jim
William Harvey is known for the discovery of
muscle contraction
nerve conduction
renal excretion
blood circulation
Clotting of blood oozing out of a wound, involves
drying as a result of evaporation of the plasma
denaturation of the blood albumins by thrombin
conversion of fibrinogen to fibrin by thrombin
haemolysis of erythrocytes
The vertebrate heart is classified as
myogenic
neurogenic
amyogenic
both (a) and YW
Carotid artery carries
oxygenated blood to the heart
deoxygenated blood to the lungs
oxygenated blood to the brain
deoxygenated blood to the stomach
Corneal grafts are generally not rejected by the recipient because cornea is
non living
non proteineceous
non cellular
non vascularised
Emotions such as worry, anxiety, fear can elevate a person's blood pressure by
a rise in the systolic pressure
a rise in the diastolic pressure
a decrease in the systolic pressure
a decrease in the diastolic pressure
The vein which carries oxygenated blood is
pulmonary
renal
coronary
azygous
The blood pigment of cephalopods such as Septa and Octopus is
haemoglobin
haemerythrin
haemocyanin
chlorocruorin
Universal donor is the person with the blood group
A
AB
B
O
The white pus of an infected part in the body is composed of
dead erythrocytes and plasma
dead leucocytes and blood serum
living leucocytes and serum
living erythrocytes and serum
If clumping occurs in a given sample of blood with 'both A and B serum, the blood group was
A
AB
B
O
Blood passes from the arterioles to venules via
lacteals
valved veins
capillaries
any of these