Which cell has a very small, darkly staining nucleus?
a. Erythrocyte
b. Normoblast
c. Polychromatophilic erythroblast
d. Proerythroblast
e. Reticulocyte
ANS: B
The normoblast is the stage in red blood cell development at which the nucleus becomes very condensed just prior to its being expelled from the cell.
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A) Colon B) Spleen C) Stomach D) Liver
The best term for referring to the rear or "tail end" is
A. caudal.?B. cephalic.?C. inferior.?D. superior.?E. lateral.
A round cell whose nucleus resembles a string of beads is a(n)
A) monocyte. B) macrophage. C) eosinophil. D) RBC. E) neutrophil.
Which of the following events in the menstrual cycle occur at the same time?
A. Early follicular development in the ovaries and maximum thickening of the uterus B. Proliferation and secretion C. Ovulation and menstruation (menstrual flow) D. Uterine wall begins to thicken and increased estrogen production by the follicles E. Maximal LH secretion and menstruation (menstrual flow)