Digestive System: Study Guide 1

True or False

27. The process of digestion changes food into a nutritious fluid capable of being absorbed by the blood. True

28. The bile from the liver breaks down fats into fatty acids. True

30. From the stomach, chyme passes through the pyloric sphincter and into the duodenum of the small intestine. True

Multiple Choice

111. In the mouth, food is __ by the teeth.

a. exacerbated

b. masticated

c. cannibalized

d. mesmerized

112. Secretions by the __ glands contain enzymes that begin to digest carbohydrates.

a. adrenal

b. thyroid

c. pineal

d. salivary

113. The action of the teeth, tongue, and saliva prepares the food into a soft ball called __.

a. bolus

b. chyme

c. feces

d. mucus

115. When food passes from the throat to the esophagus, the smooth muscles of the alimentary canal are stimulated and produce a wavelike motion called __.

a. peristalsis

b. prosthesis

c. circumflexion

d. mastication

116. The salivary glands secrete which of the following enzymes?

a. Pepsin

b. Lipase

c. Sucrase

d. Amylase

117. The small intestine includes all of the following except __.

a. duodenum

b. jejunum

c. cecum

d. ileum

118. The functions of the colon include storing, forming, and excreting waste products of digestion and regulating the body's __.

a. temperature

b. water balance

c. vitamin absorption

d. pH balance

119. The large intestine travels downward on the left side of the abdomen the become the __ colon.

a. ascending

b. transverse

c. descending

d. sigmoid

120. All of the following are enzymes from the pancreas except __.

a. pepsin

b. amylase

c. trypsin

d. lipase

13. Where is the iliocecal valve located?

a. between the small and large intestine

b. between the ilieum and duodenum

c. between the jejunum and the duodenum

d. between the stomach and small intestine

14. Which part of the small intestine is the longest?

a. jejunum

b. ileum

c. duodenum

d. transverse colon

15. Where is the pyloric sphincter located?

a. at the proximal end of the urethra

b. between the stomach and duodenum

c. between the stomach and colon

d. within the pyloric valve

16. Name, in order, the parts of the small intestine that digestible substances would follow.

a. ascending, transverse, descending

b. jejunum, ileum, iliacus

c. duodenum, ileum, jejunum

d. duodenum, jejunum, ileum

17. What is the major function of the gall bladder?

a. remove toxins from the blood

b. concentrate and store bile

c. recycle iron from old red blood cells

d. all of them

18. What is the function of the pharynx?

a. passageway for a bolus

b. passageway for air

c. passageway for food

d. all of them

19. What is the appendix part of?

a. large intestine

b. liver

c. stomach

d. small intestine

20. During the intake of food, what prevents food from being aspirated?

a. epiglottis

b. thyroid cartilage

b. cricoid

d. Omonhyoid

21. Which condition could be the result of stress, poor diet and lack of excercise?

a. neuritis

b. double vision

c. tendonitis

d. constipation

22. Where are the tonsils located?

a. trachea

b. esophagus

c. pharynx

d. larynx

23. How does disease most often enter the body?

a. nose

b. genitals

c. mouth

d. skin

24. Which organ can be palpated under the ribs on the right side?

a. stomach

b. spleen

c. liver

d. gall bladder

25. The entire nervous system of the alimentary canal includes fibers from the sympathetic and parasympathetic nervous systems. What effect does stimulation of the parasympathetic nervous system have on digestion?

a. no effect

b. stimulates the opening of sphincters

c. increases digestive activities

d. inhibits digestive activities

26. BONUS: What is it called when the mucous membrane that lines the abdominal cavity becomes inflamed?

a. pericarditis

b. diverticulitis

c. peritonitis

d. reflux esophagus

27. What nutrient is needed in the contraction of muscle?

a. fatty acids

b. ADH

c. amino acids

d. glucose