|
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. |
|
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. |
|
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. |
|
4.
| | Free bilirubin is transported by the blood to the liver. |
|
| | A) | True |
| | B) | False |
|
5.
| | Iron is transported in the blood by transferrin. |
|
| | A) | True |
| | B) | False |