front 1 ___________ is the physiological process that moves a nutrient from
the outside to the inside of the body. | back 1 D |
front 2 The serous membranes that suspend the stomach and intestines from the
abdominal wall are called | back 2 A |
front 3 These nutrients are all absorbed without being digested except | back 3 C |
front 4 These are all accessory organs of the digestive system except | back 4 E |
front 5
Each of the
following lists some of the tissue layers of the digestive tract.
Which one has them in correct order from lumen to external surface?
| back 5 A |
front 6 The small intestine is suspended from the abdominal wall by | back 6 B |
front 7 Chemical digestion breaks down ____________ into _____________.
| back 7 D |
front 8
The ___________
regulates digestive tract motility, secretion, and blood flow, and
its neurons are found in the ____________. | back 8 C |
front 9
The surface of the
tongue is covered with ____________ stratified squamous epithelium,
and has bumps called __________________, site of taste buds.
| back 9 C |
front 10 Infants have ________________ deciduous teeth, whereas adults have
________________ permanent teeth. | back 10 A |
front 11 From superficial to deep, these are the structures found in a typical
tooth. | back 11 D |
front 12 These are normally found in saliva except | back 12 E |
front 13 The ______________ gland is an extrinsic salivary gland, whereas the
______________ gland is an intrinsic salivary gland. | back 13 B |
front 14 The swallowing center is located in | back 14 D |
front 15 The buccal phase of swallowing is under _____________ control and the
pharyngo-esophageal phase is ______________. | back 15 A |
front 16 Acid reflux into the esophagus ("heartburn") is normally
prevented by | back 16 C |
front 17 Hydrochloric acid (HCl) is secreted by ____________ cells. | back 17 C |
front 18 ____________, which is secreted by ___________ cells, is necessary
for Vitamin B12 absorption. | back 18 A |
front 19
Pepsinogen is
produced by ____________ and is activated by ___________.
| back 19 B |
front 20
Why are several
digestive enzymes secreted as zymogens? | back 20 D |
front 21
The enterogastric
reflex serves to | back 21 D |
front 22 ______________ is a hormone, whereas ________________ is an enzyme.
| back 22 E |
front 23 _____________ is associated with food stretching the stomach and
activating myenteric and vagovagal reflexes, which in turn stimulate
gastric secretions. | back 23 B |
front 24 The organ that stores excess glucose and releases it later into the
blood is | back 24 C |
front 25
A hepatic (portal)
triad consists of | back 25 D |
front 26 Of the following components of bile, only _____________ has/have a
digestive function. | back 26 A |
front 27 The _______________ synthesizes bile acids by metabolizing
____________________. | back 27 E |
front 28 Pancreatic enzymes are secreted in response to the hormone | back 28 B |
front 29 Which of these is not a component of the pancreatic juice? | back 29 E |
front 30 Which of these nutrients is absorbed by the lacteals of the small
intestine? | back 30 A |
front 31 Which of the following enzymes functions at the lowest pH? | back 31 C |
front 32 Which of these is the site of contact digestion? | back 32 D |
front 33 The small intestine has a very large absorptive surface associated
with all these structures except | back 33 E |
front 34 The migrating motor complex | back 34 A |
front 35 The ______________ of the small intestine is/are similar to the
_________________ of the stomach. | back 35 C |
front 36 Carbohydrate digestion begins in the ______________, whereas protein
digestion begins in the ______________. | back 36 B |
front 37 ____________ break(s) down _______________. | back 37 B |
front 38
The sodium-glucose
transport protein (SGLP) | back 38 D |
front 39 Amino acids and monosaccharides are absorbed in the ____________, and
fatty acids are absorbed in the _______________. | back 39 E |
front 40 Lecithin prepares fats for hydrolysis by forming | back 40 D |
front 41
Proteins are
digested by different enzymes acting in the following sequence
| back 41 A |
front 42 ___________ transport lipids to the surface of the intestinal
absorptive cells, which process them into _________________. | back 42 D |
front 43 The three most abundant classes of nutrients are | back 43 B |
front 44 The muscle tone of the ________________ along the colon contracts it
lengthwise, causing its walls to bulge and form pouches called
_______________. | back 44 B |
front 45 Bacterial flora carry out all of the following except | back 45 A |
front 46 Bacteria constitute about __________% of the dry weight of the feces.
| back 46 C |
front 47 Defecation is stimulated by | back 47 E |
front 48 the _______________ regulates the flow of contents from stomach to the duodenum A. gastric rugae | back 48 C |
front 49 Which of the following is not associated with the large absorptive surface of the small intestine? A. Circular folds (plicae circulares) | back 49 D |
front 50 The movement of colonic contents from one puckered section to another is called __________. A. the gastrocolic reflex | back 50 D |
front 51 A 41 Y/O Female comes to the ER with abdominal pain in her right
upper quadrant(RUQ) that refers to her right shoulder blade. the
patient is obese andher clinical history shows she is taking birth
control pill what is the most likely diagnosis | back 51 A |
front 52 the following are exocrine enzymes produced by the pancreas except A. glucagon | back 52 A |
front 53 substances lie asprine and cortisol can cause gastric ulcers by A. inhibiting the production of HCL in the duodenum | back 53 C |
front 54 breakdown of erythrocytes by the spleen will produce ________ which will be then process by the ________ for easier degradation A. bilirubin ; liver | back 54 A |
front 55 a 40 year old male with long history of alcoholism is admitted to the hospital . upon examination the physician notices hepatomegaly ascites and icteric pigmentation visibile on the skin and sclera the reason is : A. the pancreas is obstructed and not making enough bilirubin
| back 55 C |
front 56 why is this patient showing icteric pigmentation A. Because bilirubin is building up as a consequence of colon cancer
| back 56 C |