Practice Quiz for Blood Components

No. of Questions= 9

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1.  Which of the following statements is true concerning human blood?
a) The blood of all normal humans contains red and white cells, platelets, and plasma.
b) Some human populations normally lack the ability to produce plasma.
c) Proteins are not normal components of human blood.
2 Erythrocyte is another name for a:
a) red cell
b) white cell
c) platelet
3 Which of the following blood components provide the major defense for our bodies against invading bacteria and viruses?
a) red cells
b) white cells
c) platelets
4 The relatively clear liquid medium which carries the other cells of blood is called:
a) lipid
b) antibody
c) plasma
5 Which of the following are likely to increase in quantities when the body is under attack from bacteria?
a) erythrocytes
b) leukocytes
c) thrombocytes
6 When blood clumps or forms visible islands in the still liquid plasma, it is called:
a) clotting
b) agglutination
c) none of the above
7 Antigens are:
a) found on the surface of red cells
b) kinds of red cells that identify a blood type
c) relatively large carbohydrate molecules
d) a and b
8 Which of the following statements is true of antigen-antibody interactions?
a) They are used by our bodies only to identify blood types.
b) They are used to identify and reject microorganisms, such as viruses and bacteria, that invade our bodies.
c) They are the way our blood clots when we are bleeding from an open wound.
d) b and c
9 Most of the volume of normal human blood is composed of:
a) red cells
b) hemoglobin
c) plasma
d) white cells



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