The lining of the small intestine contains cells that have _______________, which increase the surface area of the small intestine so that it can absorb many nutrients.
Fill in the blank(s) with the appropriate word(s).
microvilli
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Assessment of a 63-year-old female reveals a patent airway, adequate breathing, and strong radial pulse. She has no difficulty speaking and no facial droop, but exhibits a slight left arm drift. The EMT should interpret these findings as:
A) not suggestive of a stroke. B) suggestive of a stroke if the blood pressure is also elevated. C) suggestive of a stroke if the blood pressure is increased and pupils are not equal. D) highly suggestive that a stroke is occurring.
Capillary blood gas samples should not be used to measure which of the following?
1. Partial pressure of arterial carbon dioxide (PaCO2) 2. Partial pressure of arterial oxygen (PaO2) 3. pH 4. Hemoximetry oxygen saturation (SaO2) a. 1 and 3 c. 1 and 4 b. 2 and 4 d. 1 and 2
____ are the by-products of drugs and chemicals after the cell has reacted with them.
A. Metabolites B. Electrolytes C. Reactants D. Products
The ____ is a functional portion of the esophagus where the walls of the esophagus contract inwardly, forming a physical barrier to the reflux of stomach contents up the esophagus.
A. upper esophageal sphincter B. lower esophageal sphincter C. upper hypoepiglottic sphincter D. lower hypoepiglottic sphincter