Which of the following substances, if introduce in the blood stream, would cause coagulation, at the site of its introduction?
Fibrinogen
Prothrombin
Heparin
Thromboplastin
Systemic heart refers to
enteric heart in lower vertebrates
the two ventricles together in humans
The heart that contracts under stimulation from nervous system.
left auricle and left ventricle in higher vertebrates
A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
Blood plasma
Blood serum
Sample from the thoracic duct of lymphatic system
Whole blood from pulmonary vein
Pulmonary artery is different from pulmonary vein because it has
larger lumen
thick muscular walls
no endothelium
valves
An adult human with average health has systolic and diastolic pressures as
80 mm Hg and 80 mm Hg
70 mm Hg and 120 mm Hg
120 mm Hg and 80 mm Hg
50 mm Hg and 80 mm Hg
Which of the following is not main function of lymph glands?
Forming WBC
Forming antibodies
Forming RBC
Destroying bacteria
The lymph serves to
transport oxygen to the brain
transport carbondioxide to the lungs
return the interstitial fluid to the blood
return the WBCs and RBCs to the lymph nodes
Sickle cell anaemia is characterised by
leukemia
polycythemia
mental retardation
haemolytic anaemia
A person with blood group A requires blood.The blood group which can be given is
A and B
A and AB
A and O
A,B, AB and O
Sickle cell anaemia is due to
Change of amino acid in -chain of haemoglobin
Change of amino acid in β -chain of haemoglobin
Change of amino acid in both and β chains of haemoglobin
Change of amino acid in either or β -chain of haemoglobin
