Chapter 26: Physiology of the Digestive System

Chapter 26: Physiology of the Digestive System

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

TRUE/FALSE

1. The bolus of food is formed during the pharyngeal stage of deglutition.

ANS:   F                      DIF:    Memorization                                     REF:    Page 880

TOP:    Mechanical Digestion

2. Respiration is inhibited for the 1 to 3 seconds required for food to clear the pharynx during each swallowing.

ANS:   T                      DIF:    Memorization                                     REF:    Page 881

TOP:    Mechanical Digestion

3. To propel food from the pharynx into the esophagus, three openings must be blocked.

ANS:   T                      DIF:    Memorization                                     REF:    Page 880

TOP:    Mechanical Digestion

4. Peristalsis is a back-and-forth action that breaks apart chunks of food and mixes in digestive juices.

ANS:   F                      DIF:    Memorization                                     REF:    Page 882

TOP:    Mechanical Digestion

5. The process of emptying the stomach takes about 12 hours after a meal.

ANS:   F                      DIF:    Memorization                                     REF:    Page 882

TOP:    Regulation of Motility