What hematopoietic growth factor controls red blood cell synthesis, and what organ releases it?

A) calcitonin, released by kidney
B) transferrin, released by bone marrow
C) erythropoietin, released by kidney
D) oxytocin, released by posterior pituitary
E) parathyroid hormone, released by parathyroid glands


Answer: C) erythropoietin, released by kidney

Anatomy & Physiology

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Indicate whether the statement is true or false

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In the retina, the __________ cells are the second-order neurons of the visual pathway whose axons form the optic nerve.

Fill in the blank(s) with the appropriate word(s).

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Gustatory cells that respond to sour via release of serotonin are called

A) type I taste cells. B) type II taste cells. C) type III taste cells. D) basal taste cells.

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Which type of granular leukocyte can engulf up to two dozen bacteria and also produces a respiratory burst that creates harsh chemical agents such as hydrogen peroxide?

a. neutrophil b. eosinophil c. basophil d. lymphocyte

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