Chap 38 & 39 Flashcards
The walls of the GI tract are composed of ____ layers of tissue
a. two
b. four
c. five
d. three
b. four
All of the following are classified as accessory organs of the digestive system except the:
a. liver
b. pancreas
c. mouth
d. tongue
c. mouth
Which of the following organs has a mucosa layer composed of stratified squamous epithelium that resists abrasion?
a. esophagus
b. large intertine
c. stomach
d. small intestine
a. esophagus
The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the
a. uvula
b. gingiva
c. fauces
d. frenulum
a. uvula
The type of tissue designed for absorption and secretion found throughout much of the GI tract is _____ epithelium
a. stratified squamous
b. simple columnar
c. pseudostratified
s. simple squamous
b. simple columnar
A permanent set of teeth normally consists of _____ teeth
a. 36
b. 32
c. 26
d. 30
b. 32
Hydrochloric acid is released from cells in the
a. stomach
b. pancreas
c. small intestine
d. large intestine
e. all of the above
a. stomach
Which of the following is not associated with the large intestine?
a. appendix
b. transverse colon
c. cecum
d. pyloric sphincter
d. pyloric sphincter
The myenteric plexus is found in which layer of the GI wall?
a. serosa
b. muscularis
c. mucosa
d. submucosa
b. muscularis
Which of the following is not an anatomical part of the small intestine?
a. duodenum
b. ileum
c. jejunum
d. cecum
d. cecum
Which of the following structures is anatomically the longest?
a. esophagus
b. duodenum
c. jejunum
d. ileum
d. ileum
Surgical removal of the gallbladder is referred to as:
a. choledochorrhapohy
b. cholecystectomy
c. cholecystitis
d. cholelithiasis
b. cholecystectomy
The most essential part of bile is:
a. bile pigments
b. bile salts
c. bilirubin
d. cholesterol
b. bile salts
bile is secreted by:
a. hepatic cells
b. Kupffer cells
c. crypts of Lieberkuhn
d. parietal cells
a. hepatic cells
An incision into the wall of the GI tract would cut, in order, from superficial to deep
a. serosa, muscularis, submucosa, and mucosa
b. serosa, submucosa, muscularis, and mucosa
c. muscularis, submucosa, mucosa, and serosa.
d. mucosa, submucosa, muscularis, and serosa
a. serosa, muscularis, submucosa, and mucosa
Which of the following is not a function of the liver?
a. secretion of insulin
b. detoxification
c. production of bile
d. storage of iron and vitamins
a. secretion of insulin
The hormone glucagon is produced by:
a. beat cells
b. Brunner glands
c. alpha cells
d. acinar units
c. alpha cells
Which of the following statements is not true?
a. The walls of the gallbladder have rugae similar to the ones found in the stomach wall.
b. The gallbladder can hold between 30 and 50 ml of bile.
c. The gallbladder lies on the undersurface of the liver.
d. The gallbladder empties bile into the stomach to assist in fat digestion.
d. The gallbladder empties bile into the stomach to assist in fat digestion.
Which statement explains what happens to toxic substances after detoxification by liver cells?
a. They are used to dilute food and other substances and facilitate mixing of foods in the small intestine.
b. They are changed into nontoxic compounds by a series of chemical reactions.
c. They are used to increase pH for optimum amylase function.
d. Small amounts are carried by mucus and sodium bicarbonate to the small intestine for use in digestion.
b. They are changed into nontoxic compounds by a series of chemical reactions.
what are the functions of the digestive system?
ingestion secretion mixing & propulsion digestion absorption defecation
what is Sjogren’s
autoimmune disease with dry ears and dry mouth
what is mumps
virus that attacks parotid glands
what is tooth decay
gingivitis and periodontitis
what is leukoplakia
precancerous
what is GERD
reflux of acid
what is hiatal hernia
bulging of lower esophagus and LES, stomach into chest area
What are gastric glands
a) chief cells- secrete pepsin
b) parietal cells- secrete hydrochloric acid
c) endocrine cells- secrete hormones that increase appetite and influence digestion
