Which two of the following changes(a-d) usually tend to occur in plain dwellers when they move to higher altitudes (3500m or more)?
(i) Increase in red blood cell size
(ii) Increase in red blood cell production
(iii) Increase in breathing rate
(iv) Increase in thrombocyte count
Blood does not clot inside the blood vessels due to the presence of
1 Crore+ students have signed up on EduRev. Have you? Download the App |
Which one of the following statements is correct with regardto the principle of safe blood transfusion?
A drop of each of the following is placed separately onfour slides. Which of them will not coagulate?
In which of the following situations, there is a risk factorfor children acquiring erythroblastosis foetalis?
Read the following statements and select the correct option.
Statement 1: Prothrombin is essential for blood clotting.
Statement 2: Prothrombin is synthesized in the liver in the presence of C++
Study the given figure and identify the cells labelled as A, B, C and D.
Consider the following four statements and select the correct option stating which ones are true (T) and which ones are false (F)?
I. Proteins contribute 6-8% of the blood plasma
II. Plasma contains very high amount of minerals
III. Plasma without the clotting factors is called serum
IV. Glucose, amino acids, lipids, etc., are also present in the plasma as they are always in transit in the body.
In the following table of human ABO blood groups fill-up the blanks (i), (ii), (iii) and (iv) front the options}; below.
Find the correct descending order of percentage proportion of leucocytes in human blood.
Which of the following statements are correct?
(i) Ca+2 is necessary for blood coagulation.
(ii) Coagulation in blood vessel is prevented during normal condition by heparin.
(iii) Clotting of blood involves changes of fibrinogen to fibrin by thrombin.
(iv) Blood clotting involves cascading process involving a number of factors present always in the active form.
Consider the following statements (A-C) each with one or two blanks.
(A) (1) are the most abundant cells (60-65 percent) of the total WBCs and (2) are the least (0.5-1 percent) among them.
(B) Platelets are cell fragments produced from (3).
(C) During clot formation, fibrins are formed by the conversion of inactive (4) in the plasma by the enzyme (5)
Which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements ?
A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the doctor?
Clumping of RBC may occur when blood of one person is mixed with serum or blood of another person. This is due to
Which of the following blood groups is a universal recipient in blood transfusion?
Prothrombin, which helps in clotting of blood, is released by
190 videos|388 docs|204 tests
|
190 videos|388 docs|204 tests
|