111.
The correct sequence of layers found in the walls of arteries from inside outward is
A
Tunica adventitia, tunica interna & tunica media
B
Tunica interna, tunica externa & tunica media
C
Tunica interna, media & tunica externa
D
Tunica interna, tunica externa & tunica Interna
Answer :
Tunica interna, media & tunica externa
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112.
The mitral valve is supported by
A
Bundle of HIS
B
Ductus Arteriosus
C
Foramen ovale
D
Chorda tendinae
Answer :
Chorda tendinae
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113.
In mammals the role of spleen is
A
Graveyard of RBC
B
Reservoir of blood
C
Haemopoietic organ
D
All of the above
Answer :
All of the above
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114.
A vein differ from an artery in having
A
Strong muscular walls
B
Narrow lumen
C
Valves to control direction of blood flow opposite to heart
D
Valves to control direction of blood flow towards heart
Answer :
Valves to control direction of blood flow opposite to heart
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115.
Heart wall is made of
A
Myocardium
B
Epicardium
C
Endocardium
D
All of the above
Answer :
All of the above
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116.
Which one engulfs pathogens rapidly?
A
Acidophils
B
Monocytes
C
Basophils
D
Neutrophils
Answer :
Neutrophils
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117.
The hormone that stimulates heart beat is
A
Insulin
B
Adreanaline
C
Glucagon
D
Gastrin
Answer :
Adreanaline
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118.
Three chambered heart found in
A
Fish
B
Frog
C
Rabbit
D
Man
Answer :
Frog
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119.
Which of the following substances, if introduced into the blood stream, would cause coagulation of blood at the site of its introduction?
A
Prothrombin
B
Fibrinogen
C
Thromboplastin
D
Heparin
Answer :
Thromboplastin
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120.
Tricupside valve is found in between
A
Sinus venosus and right auricle
B
Right auricle and right ventricle
C
Left ventricle and left auricle
D
Ventricle and aorta
Answer :
Right auricle and right ventricle
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