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Body Fluids and Circulations

Long Answer Type

111.

Write a note on electro cardio gram.

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112.

Explain the term Blood pressure.

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113.

Define : Embolus, thrombus, thrombophilia, vasodilation, thrombocytopenia, acapnia, pulse pressure.

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114.

Write the functions of blood.

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115.

Define blood clotting and describe the mechanism of blood clotting.

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116.

Name the components of the formed elements in the blood and mention one major function of each of them.

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Short Answer Type

117.

What is the importance of the plasma proteins?

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Long Answer Type

118.

What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?

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Short Answer Type

119. Explain heart sounds.

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Long Answer Type

120.
Draw a standard ECG and explain the different segments in it.

i. P wave - It represents the electrical excitation of the atria or the depolarisation of the atria. It represents the contraction of both the atria.

ii. QRS complex - It represents the depolarisation of the ventricles which initiates the ventricular contraction. The contractions start shortly after Q and marks the beginning of the systole.

iii. T- Wave - It represents the return of ventricles from excites to normal state (repolarisation). The end of the T- wave marks the end of systole.

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