Regurgitation or reflux of acidic stomach contents back into the esophagus is known as:
a. hiatal hernia.
b. diverticulitis.
c. gastroenteritis.
d. gastroesophageal reflux disease.
Q. 2The rate of gastric emptying depends on the:
a. time of day food is consumed.
b. composition of food consumed.
c. rate of food consumption.
d. frequency of eating.
Q. 3The parotid, submandibular, and sublingual glands are found in the:
a. mouth.
b. stomach.
c. pancreas.
d. duodenum.
Q. 4The action of biting, chewing, and breaking up ingested food into smaller particles is called:
a. peristalsis.
b. segmentation.
c. metabolism.
d. mastication.
Q. 5The factor most likely to stimulate digestive secretions is:
a. smelling or seeing food.
b. grocery shopping.
c. fasting.
d. exercise.
Q. 6An enzyme secreted by the salivary glands is:
a. pepsin.
b. trypsin.
c. sucrase.
d. amylase.
Q. 7The lining of the stomach and intestine is protected from self-digestion by:
a. pepsinogen.
b. bile.
c. mucus.
d. fat.
Q. 8The rhythmic contractions that propel food through the intestinal tract are called:
a. segmentation.
b. peristalsis.
c. cardiospasm.
d. pendular movements.
Quick Reply
