Which connective tissue cell possesses a large, euchromatic, irregular (ovoid) nucleus?
a. Brown fat cell
b. Fibroblast
c. Lymphocyte
d. Macrophage
e. Mast cell
ANS: D
All of the cell types in this question have small, round nuclei, except for fibroblasts, which pos-sess spindle-shaped nuclei.
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Arrange the following in order from largest to smallest: (1) dipeptide (2) protein (3) amino acid (4) polypeptide
A. 3, 1, 4, 2 B. 4, 1, 2, 3 C. 2, 4, 1, 3 D. 1, 2, 3, 4 E. 2, 4, 3, 1
Unlike hypothyroidism, hyperthyroidism:
A) results in a decreased cardiac output. B) causes a decrease in the metabolic rate. C) causes an increase in oxygen demand. D) often results in acute myxedema coma.
A follicle with only a small antrum in it would be classified as a(n) ________ follicle.
Fill in the blank(s) with the appropriate word(s).
The ____ circulation supplies the brain with oxygen and nutrients and disposes of waste
a. cerebral b. coronary c. pulmonary d. renal