151. Vasoconstriction causes
A
Increase in heart beat
B
Decrease in heart beat
C
Increase in blood pressure
D
Decrease in blood pressure
Answer :
Increase in blood pressure
152. Which one of the following organ can be called a sort of "blood bank"
A
Heart
B
Liver
C
Spleen
D
Lungs
Answer :
Spleen
153. Lymph vessels pour their materials in
A
Vena cava which enters in right auricle
B
Pulmonary artery
C
Artery which enters in legs
D
Right ventricle
Answer :
Vena cava which enters in right auricle
154. Presence of RBC in urine is:
A
Alkaptonuria
B
Ureathiasis
C
Haematuria
D
Proteinuria
Answer :
Haematuria
155. Characteristics of cardiac muscles are that they
A
Contract quickly and get fatigued
B
Contract quickly and do not get fatigued
C
Contract slowly and get fatigued
D
None of the above
Answer :
Contract quickly and do not get fatigued
156. Heart of Rabbit does not have
A
Right auricle
B
Sinus venosus
C
Conus arterious
D
Both B and C
Answer :
Both B and C
157. Rate of heart beat in frog is
A
72 times per minute
B
75 times per minute
C
50 times per minute
D
Growth hormone
Answer :
Growth hormone
158. Which one of the following human organs is often called the graveyard of RBCs?
A
Gall bladder
B
Kidney
C
Spleen
D
Liver
Answer :
Spleen
159.
Figure shows blood circulation in humans with labels $$A$$ to $$D.$$ Select the option which gives correct identification of label and functions of the part:
A
$$A$$ - Artery - thick walled and blood flows evenly
B
$$B$$ - Capillary - thin without muscle layers and wall two cell thick
C
$$C$$ - Vein - thin walled and blood flows in jerks/spurts
D
$$D$$ - Pulmonary vein - takes oxygenated blood to heart $$P{O_2} = 95\,mm\,Hg$$
Answer :
$$D$$ - Pulmonary vein - takes oxygenated blood to heart $$P{O_2} = 95\,mm\,Hg$$
160. Heart of elephant is
A
Neurogenic
B
Myogenic
C
Loop of Henle
D
None of the above
Answer :
Myogenic