Which lymphatic areas are most commonly the site of inflammation?
The portion of a tooth which lies within the mandible socket is called the _____.
Which part of a tooth most closely resembles bone tissue?
The _____ part of the stomach is the area the is connected to the esophagus.
Parasympathetic stomach impulses cause all of the following except which one?
Gastrin secretion will stop when the stomach pH reaches _____.
What blocks pancreatic secretions from entering the duodenum?
Proteins are split by all of the following pancreatic factors except which one?
Pancreatitis is mainly the result of _____ activity.
The hormone which causes the pancreas to secrete an enzyme rich fluid is _____.
Which organ has the most metabolically active cells?
Which of the following vitamins is not stored in the liver?
The liver contains special blood channels termed _____.
The Kupffer cells are phagocytic cells found in the _____.
The common bile duct is formed by the merger of the hepatic and _____ ducts.
The ampulla of Vater is the area that joins the common bile duct to the _____ duct.
Gallbladder stones are medically referred to as a _____ condition.
Bile salts combine with fatty acids to form complexes called _____ that facilitate absorption.
Which area has the greatest amount of enzyme activity?
The shortest section of the intestines is the _____.
Identify the incorrect statement regarding the composition of saliva in humans:
Fatty acids and glycerol are released when _____ are broken down by liver or muscle cells.
Which of the following is not readily absorbed in the small intestine?
Which of the following comparisons is NOT correct? (p. 203)
Which of the following hormones will cause the stomach to churn and increase secretory activity of the gastric glands? (p. 208)
Which of the following hormones is/are produced by cells of the duodenal wall? (p. 208)
Which of the following substances will cause the release of secretin from the duodenal wall? (p. 208)
Which sphincter allows chyme to enter the small intestine? (p. 206)
Which organ will secrete sodium bicarbonate to neutralize the acidity of chyme in the small intestine? (p. 210)
The ____ is the blind end of the a scending colon. (pp. 208-209)
Which of the following is NOT a function of the liver? (p. 210)
Red blood cells are broken down in abnormally large amounts in ____. (p. 211)
Which of the following statements is NOT true about digestive enzymes? (pp. 212-213)
Which enzyme breaks down starch to maltose in the duodenum? (p. 213)
Which enzyme is missing in the small intestine if a person has lactose intolerance? (p. 212)
Which of the following comparisons is NOT correct? (p. 212)
The quickest, most readily available source of energy for the body is ____. (p. 215)
Which of the following provides the greatest number of calories per gram? (pp. 215, 218)
Which vitamin is a part of the coenzyme NAD? (p. 219)
Which of the following disorders is characterized by an individual who has the habit of eating to excess and then purging by vomiting? (p. 222)
The nerve plexus that contains neurons that are primarily concerned with regulating the motility within the GI tract is the _____________ plexus.
The hydrochloric acid secreted by the parietal cells of the stomach will do all of the following except _____________.
A high rate of red blood cell destruction, with elevated levels of bilirubin in the blood, causes _____________________.
Which of the following enzymes will hydrolyze proteins by removing amino acids from the end of the molecules and not by hydrolyzing bonds within the molecules?
The polymers of food are broken down into their constituent monomers by ____________ reactions in the digestive tract.
Which of the following is the part of the gastrointestinal system, but not the gastrointestinal tract?
Inner circular and outer longitudinal layers are characteristic of the ___________ layer of the digestive tract.
Most of the digestive system receives its parasympathetic innervation from the _________.
Regurgitation of stomach contents is normally prevented by the actions of the _________.
Mucus is secreted throughout much of the GI tract by _____________.
The most important function of the stomach, and perhaps the only function that appears to be essential for life is the ______________.
The longest part of the small intestine is the ____________.
The term brush border refers to _______________.
Which of the following is a brush border enzyme?
Urine and feces get their characteristic colors from which of the following pigments?
The process of ________ allows the liver to produce glucose from amino acids when there is adequate glucose in the diet.
The first hormone discovered was ___________.
The gall bladder
Which of the following statements regarding digestion and absorption of carbohydrates is true?
Which of the following statements regarding lipid digestion and absorption is true?
Which of the following statements about the transport of the absorbed products of fat digestion is true?
The emulsification of fats
Which of the following substances is transported across the intestinal epithelial cells by means of a special protein called the "intrinsic factor"?
During swallowing, food enters the stomach by passing through the
Acid secretion in the stomach is carried out by the ____________ cells of the stomach glands. These cells contain an enzyme called ________________. The function of this enzyme is to catalyze the reaction between ______________ and water.
Which of the following statements concerning stomach HCl production is NOT correct?
The function of the enzyme enterokinase is to
Which of the following pairs of digestive actions correctly describes two of the functions of the large intestine?
Which of the following have been implicated as the most frequent and important cause of peptic (gastri3. ulcers in humans?
Which of the following statements is NOT correct?
The layer of the wall of the digestive tract that contains blood vessels, small glands, and a nerve plexus is the
The frenulum is part of the
Adults normally have ______ permanent teeth; children have ______ deciduous, or primary teeth.
The center of the tooth, which is filled with blood vessels, nerves, and connective tissue, is called
The muscular layer of the stomach is different than the rest of the digestive tract because
Parietal cells in the lining of the stomach produce
Given these sphincters: 1. external anal sphincter 2. ileocecal sphincter 3. lower esophageal sphincter 4. pyloric sphincter, Arrange them in the order in which food passes through them.
Gastrin secretion is stimulated by
Given these events: 1. protein-coated triacylglycerols enter lacteals 2. triacylglycerol coated with protein 3. fatty acids and glycerol packaged into micelles 4. bile salts emulsify fats 5. lipase digests fat, Arrange these events in the order in which they occur during fat digestion, absorption, and transport.
In which layer of the digestive system wall is most difference observed between sections of the system?
The enteric nervous system ensures change in function due to changes in:
Glucose is transported across the apical membrane of the enterocyte by:
Identify the incorrect statement regarding bile?
When the stomach is empty, the mucosa is thrown into folds called __________.
Liver cells, or hepatocytes, receive blood from the __________.
The duodenum differs from the rest of the small intestine in that its submucosa contains many __________ that secrete mucus.
Of the 1500 mL of material that enters the large intestine on a daily basis, approximately how much water in the material is reabsorbed?
Fat-soluble vitamins move across the intestinal mucosa by __________.
In which blood vessel is glucose concentration likely to vary the most?
Bacteria are beneficial to animal nutrition, including that of humans. Which of thefollowing is among their greatest benefits to us?
Our teeth are
The dysfunction of which of the following will most adversely affect the digestion of food in humans?
Which of the following is the structural and functional unit of liver?
Process of digestion is accomplished by —
Which one of the following statements is true regarding digestion and absorption of food in humans
Which of the following statements is false?
Which of the following statements is incorrect?
I. Absorption of simple sugar, alcohol, some water and medicines takes place in stomach
II. Maximum water absorption occurs in small intestine
III. Small intestine is the major site of digestion and absorption of food
IV. Fatty acid and glycerol are absorbed by lacteals
V. Nothing is absorbed in mouth and large intestine
1. I, IV and V
4. I and III
The absorbed substances finally reach the tissue which utilize them for their activities. This process is called —
Succus entericus is a term used for
An analysis of a patient's diet shows they ate 90g carbohydrate, 10g protein, and 10g fat each day. Approximately how many Calories did this patient consume in one day?
Where do certain symbiotic microorganisms normally occur in human body ?
Anxiety and eating spicy food together in an otherwise normal human, may lead to
The initial step in the digestion of milk in humans is carried out by
Which of the following is NOT directly dependent on a person's adequate protein intake?
Which cells of "Crypts of Lieberkuhn" secrete antibacterial lysozyme ?
Which of following processes occurring in the stomach is autocatalysis?
The vomiting center in the human beings is located in:
Amongst the enteroendocrine cells, histamine is secreted by:
Marasmus is not characterized by:
Sufficient calorie intake but with insufficient protein intake, edema and an enlarged liver with fatty infiltrates characterize the disorder:
The part of the small intestine where maximum absorption takes place is lined by:
The number of lobes in the human liver is:
The majority of the iron absorbed from digested food or supplements is absorbed in the:
An investment of loose connective tissue entering the liver with the portal vessels and sheathing the larger vessels in their course through the organ is termed as:
The pancreatic acini:
Lipases can be activated by:
The intestinal enzymes require an alkaline pH to act. This is accomplished by the secretions of all the following except:
The proteolytic enzymes of pancreatic juice act on all the following except:
Hormonal control of the secretion of digestive juices is carried out by:
The drug acetyl salicylic acid is quickly absorbed in:
All the following statements are correct regarding Hepatitis A except:
The most common cause of diarrhea in young children is:
The epithelium of visceral organs is called as: