Which of the following cell/cells will secrete histamine, serotonin & heparin?
| 1. | Eosinophil | 2. | Basophil |
| 3. | Lymphocyte | 4. | Neutrophils |
The second-largest constituent of plasma is:
| 1. | Water | 2. | Proteins |
| 3. | Glucose | 4. | Hormones |
Tricuspid Valves are present between
| 1. | left atria and aorta |
| 2. | right atria and right ventricle |
| 3. | left atria and left ventricle |
| 4. | both (1) and (2) |
Inter atrial septa are:
| 1. | thin muscular | 2. | thick muscular |
| 3. | thin fibrous | 4. | thick fibrous |
Which one of the following is a matching pair?
| 1. | Lubb-sharp closure of AV valves at the beginning of ventricular systole |
| 2. | Dup-Sudden opening of semilunar valves at the beginning of ventricular diastole |
| 3. | Pulsation of the radial artery-valves in the blood vessels |
| 4. | Initiation of the heart beat - Purkinje fibers |
The regulation of blood pressure is regulated by:
| 1. | hypothalamus | 2. | medulla oblongata |
| 3. | cerebellum | 4. | pons |
Which one of the following is correct?
| 1. | Plasma = Blood - Lymphocytes |
| 2. | Serum = Blood + Fibrinogen |
| 3. | Lymph = Plasma + RBC + WBC |
| 4. | Blood = Plasma + RBC + WBC + Platelets |
'Bundle of His' is a part of which one of the following organs in humans?
1. Heart
2. Kidney
3. Pancreas
4. Brain
All veins carry deoxygenated blood except
1. pulmonary vein
2. hepatic vein
3. hepatic portal vein
4. renal vein
In which one of the following pairs the two items mean one and the same thing?
1. Malleus - anvil
2. SA node - pacemaker
3. Leucocytes - lymphocytes
4. Haemophilia - blood cancer