11.
Pain in heart muscle is
A
Angina cardius
B
Angina pericardius
C
Angina pectoris
D
Transcriptase
Answer :
Angina pectoris
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12.
Arteries carry oxygenated blood except
A
Pulmonary
B
Cardiac
C
Hepatic
D
Systemic
Answer :
Pulmonary
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13.
Which one of the following has an open circulatory system ?
A
Periplaneta
B
Hirudinaria
C
Octopus
D
Pheretima
Answer :
Periplaneta
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14.
Iron in Hb is in
A
Ferric form
B
Ferrous form
C
A and B both
D
Free
Answer :
Ferrous form
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15.
Which of the following vessel in rabbit starts with capillaries and ends in capillaries
A
Pulmonary artery
B
Renal vein
C
Hepatic portal vein
D
Renal artery
Answer :
Hepatic portal vein
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16.
Contraction of the ventricle in the heart begins by the command from
A
Chordae tendinae
B
S.A. node
C
Purkinje fibres
D
A. V. node
Answer :
S.A. node
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17.
Sinus venosus in mammals is believed to have merged with the wall of
A
Right auricle
B
Left auricle
C
Right ventricle
D
Left ventricle
Answer :
Right auricle
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18.
William Harvey is credited with discovery of
A
Blood clotting
B
Blood circulation
C
Process of digestion
D
Mechanism of respiration
Answer :
Blood circulation
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19.
In a Portal system (Man)
A
A vein starts from an organ & ends in Heart
B
A vein enters into organ other than heart & breaks in Capillaries
C
An artery breaks in an organ & restarts by union of its Capillaries
D
Blood from intestine is brough in kidneys then in IVC
Answer :
A vein enters into organ other than heart & breaks in Capillaries
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20.
In mammals, histamine is secreted by
A
histiocytes
B
lymphocytes
C
mast cells
D
fibroblasts
Answer :
mast cells
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