Approximately 0.5% to 1.5% of circulating RBCs are normally:
a) mature eruthrocytes
b) proerythroblasts
c) reticulocytes
d) myeloblasts
Answer: c) reticulocytes
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A crystal of calcium phosphate in the cytoplasm of a cell should be classified as an inclusion.
Answer the following statement true (T) or false (F)
The parathyroid glands maintain adequate levels of blood calcium by
What will be an ideal response?
Which can be used to characterize blood flow in the human body?
a: There is a unidirectional blood flow. b: Arteries always carry oxygenated blood. c: Veins always carry deoxygenated blood. d: Arteries carry blood away from the heart. e: Veins carry blood toward the heart. A. a, c, d, e B. a, b, c, d, e C. a, d, e D. b, c, d, e E. d, e
Chemotaxins
a. are specialized antibodies b. attract migrating phagocytic cells c. destroy histamine and other vasodilators d. engulf foreign particles e. stimulate white cell production