231.
Atherosclerosis refers to the ailment of
A
Lungs
B
Heart
C
Kidney
D
Liver
Answer :
Heart
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232.
Bundle of His originates from
A
Sinu-auricular node
B
Auriculo-ventricular node
C
Pulmonary aorta
D
Systemic aorta
Answer :
Auriculo-ventricular node
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233.
The heart keeps on beating throught the life without fatigue because
A
In contracts slowly
B
It has a resting or recovery period
C
It can use lactic acid as an extra source of energy
D
Vertebral column
Answer :
It has a resting or recovery period
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234.
A portal system is that in which
A
A vein begins from an organ and ends in heart
B
An artery breaks up in an organ & restarts by the union of its capillaries
C
The blood from gut is brought in to kidneys before it is poured in to heart
D
A vein breaks up in an organ in to capillaries & restarts by their union as a new vein in the same organ
Answer :
A vein breaks up in an organ in to capillaries & restarts by their union as a new vein in the same organ
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235.
When the right ventricle contracts the blood is pump in to
A
Superior vena cava
B
Dorsal aorta
C
Pulmonary aorta
D
Pulmonary veins
Answer :
Pulmonary aorta
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236.
Right atrioventricular aperture is guarded by
A
Tricuspid valve
B
Semilunar valvesia
C
Mitral valve
D
Bicuspid valve
Answer :
Tricuspid valve
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237.
Normal Cardiac output is
A
15 Litres/mt
B
5 Litres x 72 /mt
C
5 Litres/mt
D
5/72 Litres/mt
Answer :
5 Litres/mt
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238.
One of the following nerves inhibit the rate of heart beat
A
Vagus
B
Sympathetic
C
Occllomotor
D
Vena cava
Answer :
Vagus
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239.
The remainent of formen ovale (Fossa Ovalis) is located
A
Inter atrial septum
B
Interventricular septum
C
Between pulmonary & Aortic arches
D
Superior vena Cava
Answer :
Inter atrial septum
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240.
Circulation in Rabbit is
A
Single & Open
B
Double & Open
C
Double & Close
D
Single & Closed
Answer :
Double & Close
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