Thursday, March 7, 2019

Body fluids and circulation: Previous Year Questions Part 1

BODY FLUIDS AND CIRCULATION



2010 MARCH
1.     The blood test report of a patient is given below:
RBC                        5.5 million/mm3
Neutrophil             65%
Monocyte              5%
Basophil                1%
Eosinophil             15%
Lymphocyte          23%
Platelet                  250000 /mm3

a.   Which constituent of his blood is abnormal?
b.   What is the normal function of that constituent?
2.     Observe the flowchart and answer the questions given:
SA node
AV node
Ventricle contracts
AV bundle
Auricle contracts
a.   Redraw the flowchart correctly.
b.   What will happen if the SA node is not working properly?
2010 SEPTEMBER (IMPROVEMENT)
1.     a) Identify WBCs marked as a1, b1, c1 and d1. (2)
C:\Users\USER\Desktop\Capture.PNG
b) What is the normal percentage of the WBC marked as b1? (½)
c) Categorise the above WBCs into granulocytes and agranulocytes.  (½)
2011 MARCH
1.     Result of a project study related to the circulatory disorders in an area is given below.
C:\Users\USER\Desktop\Capture.PNG
a.   What is your observation? (½)
b.   Name any one circulatory disorder and its characteristics. (1½)
c.    Suggest two measures to avoid these disorders. (1)
2011 OCTOBER (IMPROVEMENT)
1.     Identify the wrong statement and rewrite in correct form.
a.   ‘O’ group is known as universal recipient
b.   AB group blood has no antibodies.
c.    Blood normally contains 150000 to 350000 platelets /mm3
d.   Open circulation is present in arthropods & molluscs. (1)
2.     Match the following (2)
A                                    B
           i.   Basophil             -  Phagocytosis
          ii.   Lymphocyte      -   Inflammatory reaction
         iii.    Neutrophil         -   Associated with allergic reaction
         iv.   Eosinophil         -   Secrete antibodies
                                            -   Helps in blood coagulation
                                            -   Oxygen transport
2012 MARCH
1.     If a person having blood group A is given blood transfusion of blood group B by mistake, what will be its effect? (1)
2.     Stethoscope is an instrument which is used to detect the sounds of the heart.
a.   Mention the two sounds of the heart. (1)
b.   Give the causes of heart sound. (1)
2012 SEPTEMBER (IMPROVEMENT)
1.     The blood pressure of a person is shown as 170/130 mm Hg. What would be his disease? How it affects his body? (1)
2.     Observe the figure and answer the question.
C:\Users\USER\Documents\Image0688.jpg
a.   Name the nodal tissue A and B (1)
b.   Why A is called pacemaker? (1)

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