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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