Week 3 - Digestion Flashcards
What is the main function of the digestive system?
a) Respiration
b) Digestion
c) Circulation
d) Excretion
b) Digestion
What is ingestion?
a) The release of digestive juices
b) The movement of food through the digestive tract
c) The intake of food
d) The elimination of waste products
c) The intake of food
Which process involves the breakdown of food into chemical components by enzymes?
a) Mechanical Digestion
b) Chemical Digestion
c) Absorption
d) Defecation
b) Chemical Digestion
Where does absorption primarily occur?
a) Large intestine
b) Stomach
c) Small intestine
d) Esophagus
c) Small intestine
Which organ is NOT part of the alimentary canal?
a) Oral cavity
b) Pharynx
c) Liver
d) Esophagus
c) Liver
What are the two roles of the mucosal layer in the GI tract?
a) Secretion of digestive enzymes
b) Absorption of nutrients
c) Mechanical digestion
d) Production of bile
a) Secretion of digestive enzymes
b) Absorption of nutrients
Which layer of the GI tract is responsible for peristalsis?
a) Mucosal Layer
b) Submucosal Layer
c) Muscularis Externa/Propria
d) Serosa
c) Muscularis Externa/Propria
What type of epithelium is found in the stomach?
a) Stratified squamous
b) Simple columnar
c) Transitional
d) Pseudostratified columnar
b) Simple columnar
What is the primary function of the salivary glands?
a) Produce bile
b) Secrete digestive enzymes
c) Produce saliva
d) Store nutrients
c) Produce saliva
What does the term “deciduous teeth” refer to?
a) Permanent teeth
b) Teeth with multiple roots
c) Milk teeth
d) Wisdom teeth
c) Milk teeth
What is the function of the parietal cells in the stomach?
a) Produce mucus
b) Secrete hydrochloric acid and intrinsic factor
c) Secrete pepsinogen, gastric lipase
d) Secrete somatostatin, serotonin, histamine
And which cells produce these compounds?
b) Secrete hydrochloric acid and intrinsic factor
…..
a) surface mucous cell
b) parietal cell
c) chief cell
d) enteroendocrine cell
Which enzyme breaks down proteins in the stomach?
a) Amylase
b) Lipase
c) Pepsin
d) Lactase
c) Pepsin
What does the liver NOT do?
a) Produce bile
b) Store nutrients
c) Produce insulin
d) Process drugs and hormones
c) Produce insulin
What are the main functions of the large intestine?
a) Absorption of nutrients
b) Mechanical digestion
c) Production of bile
d) Storage of nutrients
a) Absorption of nutrients
b) Mechanical digestion
What is a common treatment for heartburn?
a) Antibiotics
b) Antacids
c) Surgery
d) Vaccination
b) Antacids
What is an early symptom of appendicitis?
a) Pain in the right thoracic region
b) Pain in the umbilical region
c) Pain in the lower left abdomen
d) Pain in the upper left abdomen
b) Pain in the umbilical region
Which condition is characterized by difficulty bad breath?
a) Ankyloglossia
b) Halitosis
c) Impacted teeth
d) Gastric ulcers
b) Halitosis
What causes lactose intolerance?
a) Lack of intrinsic factor
b) Deficiency in lactase enzyme
c) Excessive acid production
d) Infection by H. pylori
b) Deficiency in lactase enzyme
What is the treatment for diverticulosis?
a) Increased fiber intake
b) Antibiotics
c) Surgical removal of the appendix
d) Antacids
a) Increased fiber intake
What role does the gallbladder play in digestion?
a) Produces bile
b) Stores and releases bile
c) Produces digestive enzymes
d) Absorbs nutrients
b) Stores and releases bile
What structure connects the throat to the stomach?
a) Trachea
b) Pharynx
c) Esophagus
d) Duodenum
c) Esophagus
Which part of the small intestine is the longest?
a) Duodenum
b) Jejunum
c) Ileum
d) Cecum
c) Ileum
What is the function of the pancreas in digestion?
a) Produce bile
b) Produce digestive enzymes and hormones
c) Store and concentrate bile
d) Absorb nutrients
b) Produce digestive enzymes and hormones
Which hormone stimulates the release of digestive enzymes and bile?
a) Insulin
b) Glucagon
c) Gastrin
d) Cholecystokinin (CCK)
d) Cholecystokinin (CCK)
