Prominent muscular ridges that run along the inner surface of the auricle and across the adjacent atrial wall are the
A) papillary muscles.
B) chordae tendineae.
C) foramen ovale.
D) trabeculae carneae.
E) pectinate muscles.
E) pectinate muscles.
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In arteries, the thick layer of elastic fibers associated with the tunica intima is called the
A) tunica intima. B) external elastic membrane. C) tunica media. D) internal elastic membrane. E) tunica externa.
. Late one night, while studying for your anatomy class, you open a box of saltine crackers to do a little snacking. After chewing on a starchy morsel for a few minutes, you begin to notice a sweet taste in your mouth. What accounts for this?
A. "Sweet" taste receptors are slower to respond than others B. Activity of bacteria in the mouth lowers the pH C. Esophageal reflux D. Salivary amylase activity E. Phagocytosis by the pharyngeal tonsils produces by-products that taste sweet
While standing in the anatomical position,
A) front refers to posterior. B) front refers to inferior. C) back refers to anterior. D) back refers to superior. E) back refers to dorsal.
Fast pain is a localized response mediated by myelinated nerve fibers.
Answer the following statement true (T) or false (F)