Choose the best answer for the following questions.
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| 1 | |
The normal range for hemoglobin concentration for a male includes: |
| | A) | 15.5 g/dL |
| | B) | 18.5 g/dL |
| | C) | 12.9 g/dL |
| | D) | 11.8 g/dL |
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| 2 | |
Which of the following gives the color to red blood cells? |
| | A) | Oxygen |
| | B) | Plasma |
| | C) | Hemoglobin |
| | D) | Buffy coat |
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| 3 | |
Normal adult hemoglobin is: |
| | A) | Hgb A |
| | B) | Hgb F |
| | C) | Hgb C |
| | D) | Hgb N |
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| 4 | |
Which of the following is not a part of a routine CBC? |
| | A) | Hemoglobin |
| | B) | Red blood cell count |
| | C) | Hematocrit |
| | D) | Plasma percentage |
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| 5 | |
The major component of red blood cells, comprising about 85 percent of their dry weight, is: |
| | A) | heme |
| | B) | oxygen |
| | C) | hemoglobin |
| | D) | iron |
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| 6 | |
Erythropoiesis, the process of red cell production that takes place in the bone marrow, is triggered by the hormone erythropoietin, which is produced by the: |
| | A) | liver |
| | B) | kidney |
| | C) | brain |
| | D) | bone marrow |
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| 7 | |
A patient with sickle-cell disease has which of the following types of hemoglobin? |
| | A) | Heterozygous hemoglobin AS |
| | B) | Heterozygous hemoglobin S |
| | C) | Heterozygous hemoglobin C |
| | D) | Heterozygous hemoglobin SC |
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| 8 | |
The layers of blood in a microhematocrit after centrifugation include: |
| | A) | plasma, buffy coat, red blood cells |
| | B) | serum, buffy coat, white cells, hemoglobin |
| | C) | plasma, white cells, platelets |
| | D) | hemoglobin, red cells, platelets |
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| 9 | |
Which of the following is a normal hematocrit value for a newborn female? |
| | A) | 35% |
| | B) | 40% |
| | C) | 55% |
| | D) | 72% |
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| 10 | |
Polycythemia vera, a disorder of the bone marrow, causes the hematocrit to be |
| | A) | increased |
| | B) | decreased |
| | C) | normal |
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