The medical branch that deals with treating the elderly and their associated medical problems is known as ___.
A) neonatology
B) pediatrics
C) oncology
D) geriatrics
Ans: D) geriatrics
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The spontaneous opening of Na+ channels marks the beginning of ________ of a cardiac muscle cell.
A. depolarization B. repolarization C. hyperpolarization D. afterpolarization E. isopolarization
The concentration of dissolved oxygen is ________ in plasma than in interstitial fluid.
A. the same B. higher C. lower
Which is not correct regarding the pancreas?
A. It is elongated in shape, spongy, and nodular. B. The majority of cells in the pancreas are pancreatic acini. C. It is located posterior to the stomach, between the small intestine and the spleen. D. It is a heterocrine, or mixed, gland. E. It does not begin to secrete its hormones until puberty.
Which type of cell has the potential to differentiate to form adult cell types?
A. Mast cell B. Macrophage C. Osteoclast D. Stem cell E. Adipocyte