Which blood cells are responsible for initiating the blood clotting process?
Erythrocytes
Leukocytes
Thrombocytes
Lymphocytes
Related Questions
Platelets are the fragments of a large cell in the bone marrow called
proerythroblast
reticulocyte
megakaryocyte
megaloblast
Granulocytes and agranulocytes are the two main cateogories of
RBC
WBC
Thrombocyte
Blood platelets
What is the liquid component of blood called?
Plasma
Serum
Lymph
Cytoplasm
Which of the following is NOT a function of platelets?
Adhering to injured blood vessels
Promoting blood clotting
Carrying oxygen
Forming platelet plugs
Blood that flows from the lungs to the heart is bright red rather than dark red due to
Carbon dioxide
Oxygen
Both (a) and (b)
Due to mixing of sputum
Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult?
Urea - 5 – 10 mg/100 mL of blood
Blood sugar - 70 – 100 mg/100 mL
(fasting)
Total blood volume - 5 – 6
ESR in Wintrobe - 9 – 15 mm in males and
20 – 34 mm in females
Why is the blood pressure in the pulmonary artery lower than in the aorta?
To maintain higher systemic blood pressure
To facilitate gas exchange and protect lung capillaries
Because the pulmonary artery is shorter than the aorta
Because the right ventricle is weaker than the left ventricle
The structure of which of the following consists of a layer of single cell thickness?
Blood capillary
Artery
Venule
Arteriole
Which of the following are erythropoietic organs?
I. liver
II. lymph node
III. spleen
IV. white bone marrow
V. red bone marrow
Choose the correct option
All except I
All except II
All except I
All except IV
Blood leaving the liver and going towards heart is rich in
Bile
Urea
Ammonia
Oxygen
