Download Test 4 - spring 2005

A&P 2-Spring 2005
Test 4 – Digestive
Form A
Name _______________________
Lab ______
1. The correct sequence for the layers of the alimentary tube from inside to the outside is
a. Mucosa, muscular layer, serosa, submucosa
b. Mucosa, submucosa, muscular layer, serosa
c. Serosa, muscular layer, mucosa, submucosa
d. Submucosa, mucosa, serosa, muscular layer
2. The teeth that are best adapted for grasping and tearing food are the:
a. Incisors
b. Cuspids
c. Bicuspids
d. Molars
3. The enzyme secreted by the salivary glands is:
a. Pepsin
b. Amylase
c. Trypsin
d. Sucrase
4. Which of the following would be an accessory organ of the digestive system?
a. Esophagus
b. Stomach
c. Duodenum
d. Pancreas
5. The movement of the digestive tract that propels food is:
a. ingestion
b. Churning
c. Peristalsis
d. intrinsic
6. Which of the following is not a salivary gland?
a. Sublingual
b. Submandibular
c. Lingual
d. Parotid
7. A relatively new treatment for ulcers has been introduced. This treatment inhibits the production of HCl in the
stomach. If a person took this medication, which organic molecule would be affected the most?
a. Carbohydrate
b. Nucleic acid
c. Lipids
d. Proteins
8. What is the primary secretion of the esophagus?
a. amylase
b. mucus
c. pepsin
d. lipase
9. Which of the following is not a division of the pharynx?
a. Nasopharynx
b. Lingualpharynx
c. Oropharynx
d. Laryngopharynx
10. The chief cells of the gastric mucosa produce:
a. Pepsinogen
b. Hydrochloric acid
c. Lipase
d. Mucus
11. Which of the following is not a component of gastric juice?
a. Pepsin
b. Lipase
c. Amylase
d. HCl
12. Which of the following enzymes is necessary for the conversion of trypsinogen to Trypsin?
a. Carboxypeptidase
b. Intrinsic factor
c. Enterokinase
d. Chymotrypsin
13. Which of the following pancreatic secretions is responsible for the breakdown of proteins?
a. Trypsin
b. Chymotrypsin
c. Carboxypeptidase
d. All of these
14. Which of the following is not a secretion of the pancreas?
a. Lipase
b. Amylase
c. Bicarbonate ions
d. Bile
15. The liver functions to:
a. Form glucose from glycogen
b. Store vitamins
c. Destroy damaged red blood cells
d. All of the above
16. One of the major functions of the large intestine is to
a. Secrete digestive enzymes
b. Reabsorb water from chyme
c. Regulate the release of bile
d. Absorption of nutrients
17. Which of the following is the correct sequence of the small intestine?
a. Duodenum, ileum, jejunum
b. Jejunum, duodenum, ileum
c. Ileum, duodenum, jejunum
d. Duodenum, jejunum, ileum
18. Digestion of which of the following would be affected the most if the liver were severely damaged?
a. Carbohydrates
b. Lipids
c. Proteins
d. Nucleic acids
19. Which of the following cells in the liver aid in the removal of bacteria from the blood?
a. Duodenum cells
b. Hepatic cells
c. Jail cells
d. Kupffer cells
20. The primary function of the gallbladder is
a. Production of bile
b. Production of cholesterol for bile synthesis
c. Storage of bile
d. Electrolyte maintenance
21. The structure within the walls of the small intestine that increases absorption is called:
a. Dyanna
b. Rugae
c. Villi
d. Sinusoids
22. Which of the following is not a secretion from the small intestine walls?
a. Nuclease
b. Peptidase
c. Disaccharidase
d. Amylase
23. The primary function of the small intestine is:
a. Water absorption
b. Concentrating feces
c. Nutrient absorption
d. Pepsinogen production
24. Which of the following is the correct sequence for the large intestine?
a. Transverse, ascending, descending, sigmoid
b. Ascending, transverse, descending, sigmoid
c. Sigmoid, transverse, ascending, descending
d. Descending, ascending, sigmoid, transverse
25. Enzymes that break down _____________ need to be made and secreted in their inactive form so they don’t
breakdown the cells that made them.
a. Carbohydrates
b. Lipids
c. Proteins
d. Nucleic acids
26. The function of the hepatic portal circulation is to:
a. carry toxins to the venous system for disposal through the urinary tract
b. collect nutrients for processing and collect waste products before releasing them to the
circulation for cellular use
c. distribute hormones to the liver first, then to the rest of the body
d. return glucose to the general circulation when blood sugar is low
27. The sheets of peritoneal membrane that hold the digestive tract in place are called:
a. mesenteries
b. visceral
c. serosal lining
d. mucosal lining
28. The epithelial membrane called the mucosa:
a. absorbs mucus, digestive enzymes, and hormones
b. absorbs the end products of digestion into the lymphatic system
c. contracts when stimulated
d. is typically simple columnar
29. Chyme is found in the:
a. mouth
b. stomach
c. esophagus
d. all of the above
30. Which of the following is true concerning the number and type of permanent teeth?
a. there are 32 permanent teeth not including the wisdom teeth
b. there are 32 permanent teeth (17 upper and 15 lower)
c. the number of permanent teeth is always equal to the number of baby teeth
d. the number of upper permanent teeth is equal to the number of lower permanent teeth
31. The ducts that deliver bile and pancreatic juice from the liver and pancreas, respectively, unite to form
the:
a. portal vein.
b. pancreatic duct
c. bile duct
d. hepatopancreatic duct
32. The layer of the digestive tube that contains blood vessels, lymphatic nodes, and a rich supply of elastic
fibers is the:
a. mucosa
b. submucosa
c. muscularis
d. serosa
33. Where is “the mesentery” found?
a. holding liver to diaphragm
b. pancreas
c. small intestines
d. large intestines
34. Which is not an adaptation of the peritoneum?
a. falciform ligament
b. “the mesentery”
c. dyanna mesentary
d. mesocolon
35. ________ peritoneum covers the external surfaces of most digestive organs.
a. parietal
b. visceral
c. mesentery
d. organ
36. When swallowing, what goes up to cover the nasal opening?
a. hiatus
b. epiglottis
c. uvula
d. sphincter
37. Retroperitoneal is:
a. behind peritoneum
b. within peritoneum
c. attached to organ
d. attached to the cavity wall
38. What is the only organ that makes enzymes for all 4 categories of organic molecules?
a. liver
b. esophagus
c. pancreas
d. gall bladder
39. Ingestion is:
a. food entering the mouth
b. movement of food
c. mixing of food
d. breakdown of food
40. You have just eaten a meal high in complex carbohydrates. Which of the following enzymes will help to
digest the meal?
a. enterokinase
b. amylase
c. lipase
d. trypsin
41. Ducts from the liver and the gall bladder unite to form the ______. This duct only carries bile.
a. portal duct
b. pancreatic duct
c. common bile duct
d. mallard duct
42. When the contents of the stomach enter the duodenum, an enzyme is released that causes some
pancreatic enzymes present to change to their active state. This enzyme is:
a. dyannase
b. enterokinase
c. lipase
d. lactase
43. Which of the following is not characteristic of the large intestine?
a. it does not contain villi
b. it exhibits external muscular bands called teniae coli
c. it is longer than the small intestine
d. it has haustra
44. You have just eaten French fries, buttered toast, ice cream, and whole milk. Which of the following
organs would be active in helping you to chemically digest this food?
a. the pancreas
b. the large intestines
c. the small intestines
d. the salivary glands
45. Falciform ligament:
a. also called the lesser omentum
b. is a mesentery that holds up the liver
c. is a mesentery that holds the stomach to the liver
d. is a mesentery that holds the small intestines together
46. Which is not measured by your digestive system?
a. antigen level
b. pH
c. stretch
d. osmolarity
47. When do glucagon levels rise?
a. blood sugar levels too high
b. blood sugar levels too low
c. excessosugarosis
d. minimalsugarosis
48. Segmentation is a form of:
a. ingestion
b. mechanical digestion
c. chemical digestion
d. enzyme
49. Chemical digestion begins in the _______ and ends in the ________.
a. stomach; large intestine
b. small intestine; large intestine
c. mouth; large intestine
d. mouth; small intestine
50. What is the primary source of energy?
a. carbohydrates
c. lipids
b. vitamins
d. nucleic acids