Blood Cells
17 Questions
| Attempts: 172
Questions and Answers
- 1.
Bacterial infections cause an increase in the number of neutrophils whereas viral infections cause an increase in the number of lymphocytes.
- A.
True
- B.
False
Correct Answer
A. True -
- 2.
-
The normal values for a differential white cell count in a healthy adult are:
- Neutrophils 70%
- Lymphocytes 20%
- Monocytes 6%
- Eosinophils 3%
- Basophils 1%
- A.
True
- B.
False
Correct Answer
A. True -
The normal values for a differential white cell count in a healthy adult are:
- 3.
Neutrophils and lymphocytes are termed granulocytes.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Neutrophils, eosinophils, basophils.Rate this question:
-
- 4.
Neutrophils are 12-14ìm in diameter with a multilobed nucleus
- A.
True
- B.
False
Correct Answer
A. True -
- 5.
Eosinophils are 12 - 17ìm in diameter with a bilobed nucleus. They contain large granules which stain bright blue.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
redRate this question:
-
- 6.
Basophils are 14-16ìm in diameter with a bilobed nucleus.
- A.
True
- B.
False
Correct Answer
A. True -
- 7.
Basophils become mast cells when they leave the blood and migrate into the tissues.
- A.
True
- B.
False
Correct Answer
A. True -
- 8.
Monocytes are the largest of cells in blood smears, 15-17ìm in diameter. When they circulate in the blood they are smaller and spherical with diameters of 10-12ìm. The monocyte has a larger and paler nucleus than the lymphocytes.
- A.
True
- B.
False
Correct Answer
A. True -
- 9.
Macrophages become monocytes in tissues.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Monocytes become macrophages.Rate this question:
-
- 10.
It is estimated that within circulating blood, T-cells account for 70% of the lymphocyte differential count.
- A.
True
- B.
False
Correct Answer
A. True -
- 11.
B-cells mount the cell-mediated immune response.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
T-cellsRate this question:
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- 12.
B-cells respond to antigens by proliferating and differentiate into very large plasma cells which synthesize monoclonal antibodies to the specific antigen.
- A.
True
- B.
False
Correct Answer
A. True -
- 13.
B cells, plasma cells and antibodies in the blood and body fluids are termed the humoral immune response.
- A.
True
- B.
False
Correct Answer
A. True -
- 14.
When the amount of protein content of the blood increases, aggregation and sedimentation of erythrocytes in blood sample occurs faster and ESR (Erythrocyte sedimentation rate) is increased.
- A.
True
- B.
False
Correct Answer
A. True -
- 15.
Anaemia is a condition in which the number of RBCs, or the volume of packed cells in the blood, or the amount of haemoglobin in the blood are less than normal.
- A.
True
- B.
False
Correct Answer
A. True -
- 16.
Hb levels may be decreased in those living at high altitude, and is increased in states which increase the plasma volume, such as pregnancy and splenomegaly (enlargement of spleen).
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Increased in ppl living at high altitudeRate this question:
-
- 17.
True anaemia arises when there is an imbalance between erythrocyte production and erythrocyte destruction.
- A.
True
- B.
False
Correct Answer
A. True -
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Current Version
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May 28, 2013Quiz Edited by
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Jan 25, 2013Quiz Created by
Tirez
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