View the animation below, then complete the quiz to test your knowledge of the concept.
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1 | In the breakdown of hemoglobin, the globin chains... |
| A) | are converted into biliverdin by macrophages. |
| B) | are converted into bilirubin by macrophages. |
| C) | are broken down by macrophages into amino acids. |
| D) | are stored in various tissues. |
| E) | contribute to the color of feces. |
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2 | In the breakdown of hemoglobin, the iron... |
| A) | is transported by transferring to the liver. |
| B) | is transported by transferring to the spleen. |
| C) | is transported by transferring to the red bone marrow. |
| D) | all of the above. |
| E) | none of the above. |
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3 | The sequence in the breakdown of the non-iron portion of the heme is... |
| A) | heme, bilirubin, biliverdin, conjugated biliverdin, biliverdin derivatives, feces and urine. |
| B) | heme, biliverdin, bilirubin, conjugated bilirubin, bilirubin derivatives, feces and urine. |
| C) | heme, bilirubin, conjugated biliverdin, biliverdin, biliverdin derivatives, feces and urine. |
| D) | heme, biliverdin, conjugated bilirubin, bilirubin, bilirubin derivatives, feces and urine. |
| E) | heme, conjugated biliverdin, biliverdin, bilirubin, conjugated bilirubin, feces and urine. |
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4 | Free bilirubin is transported by the blood to the liver. |
| A) | True |
| B) | False |
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5 | Iron is transported in the blood by transferrin. |
| A) | True |
| B) | False |