If peristalsis in the esophagus is insufficient to carry a large bolus to the stomach,
a. a secondary peristaltic wave is initiated by the swallowing center
b. a secondary peristaltic wave is initiated and, mediated by the intrinsic nerve plexuses
c. the food remains in the esophagus until voluntary swallowing is initiated again
d. increased esophageal secretion lubricates the bolus so that it can slide to the stomach
e. food never becomes stuck because the esophagus is very distensible
B
You might also like to view...
A disease that attacks and disables the myenteric plexus would
A) increase intestinal motility. B) decrease intestinal motility. C) increase gastric secretion. D) decrease gastric secretion. E) interfere with both intestinal motility and gastric secretion.
The National Institute of Health or NIH states that rodents require what amount of cage space?
a. 144 square feet c. 6 square feet b. 10 square feet d. 2 square feet
____________________ may be short-term or long-term.?
Fill in the blank(s) with correct word
Which of these descriptions best matches the term T lymphocytes?
A) adhere to collagen beneath endothelium B) are involved in cell mediated immunity C) develop into plasma cells and produce antibodies in response to antigens D) kill bacteria using hydrogen peroxide E) often elevated in allergic individuals