The volume of blood each ventricle pumps out during a cardiac cycle is about
70 mL
5000 mL
7 L
1200 mL
The important function of lymph is to
Transport oxygen to the brain
Transport carbon dioxide to the lungs
Return RBCs to the lymph nodes
Return interstitial fluid to the blood
Maximum surface area of circulatory system is seen in
Heart
Capillaries
Arterioles
Veins
In diastole, heart is filled by
Mixed blood
Venous blood
Oxygenated blood
Deoxygenated blood
A circulatory system, which is formed by capillaries and ends with capillaries is
Renal
Hepatic
Double circulatory system
Hypophysial portal system
Haematuria means
RBCs in the urine
WBCs in the urine
Both 1 and 2
None of these
Pace maker is
Instrument for measuring heart beat
Instrument for measuring pulse rate
AV node that provides impulse for heart beat
Sino – auricular node that provides impulse for heart beat
The pH of blood is
Between 7 - 8
Between 2 - 4
Between 12 - 14
Between 2 - 5
The role of pace maker in heart is to
Accelerate blood circulation
Inhibit backflow of blood
Initiate heart beat
Stimulate blood pressure
The normal percentage of glucose in the blood of man is 0.1%. It is found in
RBCs
Plasma
WBCs
Serum