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Author Question: In an adult, where are erythrocytes continuously produced? a. Yellow bone marrow b. Lymphatic ... (Read 64 times)

jrubin

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on: Jul 11, 2018
In an adult, where are erythrocytes continuously produced?
 
  a. Yellow bone marrow
  b. Lymphatic system
  c. Spleen
  d. Red bone marrow

Question 2

A patient who had a Schilling test shows a 20 excretion of the radioactive vitamin B12. What would this indicate?
 
  a. The patient has a low reserve of iron and has iron deficiency anemia.
  b. The patient has a normal finding and does not have pernicious anemia. c.
  The patient has a deficiency of thrombocytes and has a clotting disorder.
  d. The patient has an excess of RBCs and has polycythemia.


laurnthompson

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Reply #1 on: Jul 11, 2018
Answer to Question 1

ANS: D
Erythrocytes are continuously produced in the red bone marrow, principally in the vertebrae, ribs, and sternum.

Answer to Question 2

ANS: B
The Schilling test is a laboratory blood test for diagnosing pernicious anemia. The normal reading 24 hours after the administration of radioactive vitamin B12 is 8 to 40. The test measures the absorption of radioactive vitamin B12.


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