The breakdown products of heme go through several biochemical degradations to form:
a. Bilirubin
b. Protoporphyrin
c. Amino acids
d. Haptoglobin
ANS: A
After phagocytosis by the splenic macrophages, hemoglobin is released. It is broken down into its component parts of globin chains and heme. Heme is further degraded in a series of steps eventually forming bilirubin, which is taken to the liver and further processed. Globin chain amino acids are returned to the amino acid pool for use in protein synthesis.
You might also like to view...
Which of the following statements would be true of a patient who relies on the hypoxic drive to breathe?
A) The primary gas affecting the respiratory rate is carbon dioxide. B) The peripheral chemoreceptors have become less sensitive to oxygen. C) The respiratory rate is set according to the level of O2 in the body. D) The central chemoreceptors are the primary influence on the respiratory rate.
Sally is 25 years old. She arrives at the doctor's office complaining of large pimples on her scalp, especially at the back of her head and along her neck. She said while she knew she was not supposed to "pop my zits," when she had tried doing so, she was unable to express anything from them. She also said the itching was "driving me nuts."
Physical exam showed several large, follicular papules along the hairline on the back of her neck, around her left hear, and two along the hairline on her forehead. The exam also showed crusting, dry, dark scabs, the result of intense scratching. Dx: Acne necrotica miliaris Plan: Treat with mincycline × one month and return to office for follow-up. First-listed diagnosis: ________ Fill in the blank with correct word.
The shoulder toss method is done by two firefighters.
Answer the following statement true (T) or false (F)
Unit numbering systems are creating the potential for the same patient to receive two or more numbers, depending on the frequency of admissions to that facility.
Answer the following statement true (T) or false (F)