Which of the following is not found in the epidermis?
A) Melanocytes
B) Fibroblasts
C) Tactile cells
D) Keratinocytes
E) Stem cells
B
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Which of the following is the final vessel through which semen must pass before being expelled from the body?
A) Ejaculatory duct B) Penile urethra C) Membranous urethra D) Vas deferens
Along with insulin, amylin is a hormone that a diabetic pancreas fails to produce. It is comprised of a long chain of amino acids. It cannot cross the cell membrane, so it binds to a receptor on the cell surface to elicit an action. Which hormone class is amylin?
A. A protein hormone B. A peptide hormone C. A steroid hormone D. A prostaglandin
Which of the following statements about diabetes mellitus is false?
A. Both type I and type II DM are characterized by lack of, or low levels of, insulin. B. The body produces autoantibodies that destroy the pancreatic beta cells in type I DM. C. Diabetic neuropathy is a common long term effect of DM. D. Type II DM is more common than type I DM. E. Target cells are unresponsive to insulin in type II DM.
The main function of serous fluid is to
A. lubricate and reduce friction between pleural membranes around the lung. B. improve adhesion of the lungs to the thoracic wall. C. facilitate the diffusion of oxygen across the respiratory membrane.