Questions
Formed elements constitute which of the following type of cells?
- Erythrocytes
- Leucocytes
- Platelets
- 1 and 2
- All of the above
Albumins in plasma are responsible for which of the following functions?
- Coagulation of blood
- Osmotic balance
- Defense mechanisms of the body
- Inflammatory reactions
- None of the above
O blood can be donated to persons with which of the following type of blood groups?
- A
- B
- AB
- O
- All of the above
Which of the following chambers receive(s) oxygenated blood from the gills/lungs/skin in amphibians and reptiles?
- Left atrium
- Right atrium
- Ventricle
- 1 and 2
- None of the above
The heart originates from which of the following germ layers?
- Endoderm
- Mesoderm
- Ectoderm
- Neural crest
- All of the above
Persons with AB group can accept blood from persons with which of the following type of blood groups?
- A
- B
- AB
- O
- All of the above
When the heart muscle is suddenly damaged by an inadequate blood supply, it is referred to as _________.
- heart attack
- cardiac arrest
- heart failure
- all of the above
- none of the above
Which of the following type of animals have a closed circulatory system?
- The annelids
- The arthropods
- The molluscs
- Chordates
- Both 1 and 4
Parasympathetic neural signals ___________.
- decrease the rate of heart beat
- increase the rate of heart beat
- decrease speed of conduction of action potential
- increase the strength of ventricular contraction
- 1 and 3
Shape of a monocyte nucleus is ________.
- biconcave
- spherical
- bilobed
- kidney shaped
- monocytes do not have a nucleus
What percentage of humans worldwide possess the Rh antigen on their surface of RBCs?
- 50
- 60
- 70
- 80
- 100
Fats are absorbed in the lacteals present in the intestinal villi through which of the following fluids?
- Blood
- Plasma
- Serum
- Lymph
- None of the above
Eosinophils are associated with which of the following processes?
- Clotting of blood
- Inflammatory reaction
- Allergic reaction
- Phagocytic activity
- None of the above
Which of the following events of cardiac cycle marks the end of the T- wave?
- The beginning of the systole
- The end of systole
- Beginning of the diastole
- End of diastole
- None of the above
The T-wave represents, which of the following events?
- Return of the ventricles from an excited to a normal state.
- Depolarisation of the atria.
- Depolarisation of the ventricles.
- Ventricular contraction.
- Excitation of the atria.
Which of the following type of cells are agranulocytes?
- Basophils
- Monocyte
- Eosinophil
- Neutrophils
- None of the above
Individuals with blood group O have _________ antibodies in the plasma.
- anti-A
- anti-B
- anti-A and anti-B
- no
- None of these
Which of the following orders of percentages of different leucocytes is correct?
- Neutrophils > eosinophils > basophils > lymphocytes > monocytes
- Neutrophils > eosinophils > lymphocytes > basophils > monocytes
- Neutrophils > basophils > lymphocytes > monocytes > eosinophils
- Neutrophils > lymphocytes > monocytes > eosinophils > basophils
- Neutrophils > eosinophils > lymphocytes > monocytes > basophils