What is the primary mechanism by which erythropoietin affects RBC production?
a. It expedites the maturation time of RBCs.
b. It prevents premature apoptosis of RBCs.
c. It stimulates facilitated incorporation of hemoglobin into RBCs.
d. It stimulates expulsion of nuclei from nucleated erythrocyte precursors at a quicker rate.
Correct Answer: B
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Which of the following is the LEAST accurate way to determine heart rate?
A) Count the number of QRS complexes in a 6-sec strip and multiply by 10. B) Count the number of large squares between two R waves and divide that into 300. C) Count the number of small squares between two R waves and divide that into 1500. D) Use a rate meter.
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Internal controls are detective work.
Answer the following statement true (T) or false (F)
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