Which of the following stimulates the production of red blood cells?
A. Somatostatin
B. Renin
C. Angiotensin
D. Erythropoietin
E. Growth hormone
D. Erythropoietin
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The percent fraction of formed elements relative to whole blood is the
A) viscosity. B) specific gravity. C) packed volume. D) hematocrit. E) differential cell count.
In hemopoiesis, granulocytes such as neutrophils are formed from the _________ line
A. lymphoid B. myeloid C. monocyte D. killer cell
In mitosis, which of the following phases is known as the resting stage??
A) ?Interphase B) ?Prophase C) ?Metaphase D) ?Anaphase E) ?Telophase
Which statement about hemoglobin is true?
A. Each globin chain on a hemoglobin molecule contains a heme group. B. Hemoglobin is a complex protein made of 5 chains of amino acids called globins. C. Each hemoglobin molecule can carry five oxygen molecules. D. The cytoplasm of white blood cells contains hemoglobin.