Monday, March 11, 2019

Body fluids and circulation: Previous Year Questions Part 2


2013 MARCH
1.     A person with A-ve blood group is injured severely in an accident. His relatives with A+ve and B-ve blood groups were ready to donate blood for him. Infer the consequences if he receives blood from them. (1)
a.   Label PQRST in the graph. (1)
b.   What does the T wave represent? (1)
1.     Observe the blood cells and attempt the following questions:
a.   Which among the above cells least possibly found when you observe a drop of blood? (½)
b.   Write one function of any two types. (1)
c.    Categorize the WBC based on presence or absence of protein granules. (½)
2.     Due to developmental abnormality the wall of the left ventricle of an infant’s heart has the same thickness as that of right ventricle. What would be its specific effect on circulation of blood? (1)
2014 MARCH
1.     Answer the following in a few words. (4)
a.   Significance of pulmonary circulation in man.
b.   Function of erythrocytes.
c.    Pacemaker for a human heart and its significance.
d.   Normal blood pressure of human beings and its variation during hypertension.     
1.     The sequential events in the heart which are cyclically repeated are called the cardiac cycle.
a.   What are the phases of the cardiac cycle?
b.   Why do we call the human heart as mayogenic?
c.    What is the role of SAN (Sinu Atrial Node) on a human heart? (1+1+1=3)              
2015 MARCH
1.     Find the odd one and write the function.
Neutrophil, Erythrocyte, Monocyte, Lymphocyte, Basophil, Eosinophil (1)
2.     Observe the flowchart and answer questions given below.
a.   Draw the flow chart correctly.
b.   What will happen if the SA node is not working properly? (2)
1.     Make a diagrammatic sketch of human double circulation. Label three associated organs and any one blood vessel.
Name the two types of heart valves and mention their functions. (3)

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