ECG depicts the depolarization and repolarisation processes during the cardiac individual one of the following waves is not represented:
Which one of the following blood cells is involved in antibody production?
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. The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is :
The second heart sound (dupp) is associated with the closure of :
What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml:
Match the terms given under column ‘A’ with their functions given under column ‘B’ and select the answer from the options given below:
Valves which allow one way passage of blood from ventricles into arteries are :
In an ECG, depolarization of atria is indicated by :
Bundle of His passes stimulus of contraction to:
Mature erythrocytes cannot utilize glucose because they lack:
Which one of the following proteins is involved in the coagulation of blood
Dissociaton of oxyhaemoglobin occurs in tissues due to :
Alveoli become enlarged and damaged with Lesser surface area for gaseous exchange In heavy smokers. The condition is :
The majority of CO2 produced by our body cells is transported to lungs:
Increased asthmatic attacks in certain seasons are related to :
Major amount of CO2 in both invertebrates and vertebrates is transported as :
Between breaths, interpleural pressure in mmHg is less then atmospheric pressure by:
A chemosensitive area adjacent to rhythm centre in the brain is highly sensitive to I. Oxygen II. Carbon dioxide III. Hydrogen ions IV Bicarbonate ions V. Water.
The structure which prevents the entry of food particles into the respiratory passage is:
Partial pressures of oxygen and carbon dioxide in healthy human lung alveoli are respectively about: