Which type of cell carries out bone formation?
A) ossicles
B) osteocytes
C) osteons
D) osteoblasts
E) osteoclasts
Ans: D) osteoblasts
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This figure shows an example of regulation of hormone secretion by a negative feedback loop. The large box labeled 1 represents the initial stimulus. What hormones are represented by the small boxes labeled a, b, and c?
A. a = TSH, b = TRH, c = TH B. a = TSH, b = TH, c = TRH C. a = TRH, b = TSH, c = TIH D. a = TIH, b = TSH, c = TH E. a = TRH, b = TSH, c = TH
Some simple columnar and pseudostratified columnar epithelia have _________ cells, which produce a protective mucous coating over the mucous membranes.
A. fibrous B. blood C. basal D. keratinized E. goblet
A 29-year-old man comes to a local hospital with duodenal peptic ulcer and com- plains of cramping epigastric pain. Which of the following structures harbors the cell bodies of abdominal pain fibers?
(A) Lateral horn of the spinal cord (B) Anterior horn of the spinal cord (C) Dorsal root ganglion (D) Sympathetic chain ganglion (E) Celiac ganglion
Acromegaly results from the ________.
A. hypersecretion of GH during childhood B. hyposecretion of GH during childhood and adulthood C. hyposecretion of GH during childhood D. hypersecretion of GH during childhood and adulthood E. hypersecretion of GH during adulthood