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25 Cards in this Set

  • Front
  • Back
All the following are functions of the oral cavity except:
A) to mechanically digest foods
B) to chemically digest proteins
C) to lubricate foods
D) to digest certain carbohydrates
B) to chemically digest proteins
A fold of tissue called the frenulum connects the:
A) pancreas to the stomach
B) small and large intestines
C) gallbladder to the liver
D) tongue to the floor of the oral cavity
D) tongue to the floor of the oral cavity
The two types of teeth are:
A) deciduous teeth and permanent teeth
B) gastroid and pyloric teeth
C) parotid and colonic teeth
D) front and back teeth
A) deciduous teeth and permanent teeth
Enzymes secreted by the salivary glands:
A) emulsify fats
B) allow for carbohydrate digestion
C) are stimulated by gastric hormones
D) empty their contents into the roof of the mouth
B) allow for carbohydrate digestion
Passage of a bolus of food down the esophagus is assisted by:
A) enzymes and acids
B) the lower esophageal sphincter
C) peristalsis and gravity
D) the pyloric sphincter
C) peristalsis and gravity
All the following are regions of the stomach except:
A) fundus
B) cardia
C) the pylorus
D) the hilus
D) the hilus
The lesser and greater omentums are the:
A) entrances and exits to the stomach
B) curvatures of the stomach
C) extensions of the peritoneum attached to the stomach
D) glands that empty into the stomach
C) extensions of the peritoneum attached to the stomach
The precursor substance pepsinogen is converted to pepsin:
A) in the duodenum
B) in the presence of hydrochloric acid
C) in the pancreas
D) only when high concentrations of salt are present
B) in the presence of hydrochloric acid
The hormone that regulates the activity of the gastric glands is known as:
A) progesterone
B) androgen
C) gastrin
D) TSH
C) gastrin
Bicarbonate ions to neutralize stomach acidity are provided to the duodenum by:
A) pancreatic juice
B) hormones that are liberated in the lining of the gastrointestinal tract
C) bile from the liver
D) both pancreatic juice and bile
D) both pancreatic juice and bile
All the following are regions of the small intestine except:
A) the jejunum
B) the ilium
C) the duodenum
D) the pylorus
D) the pylorus
Bile, which is formed in the liver, assists the:
A) breakdown of proteins
B) absorption of water
C) emulsification of fats
D) formation of feces
C) emulsification of fats
Enzymes called nucleases break down nucleic acids:
A) only in the presence of acid
B) into nucleotides
C) within the stomach
D) in the large intestine
B) into nucleotides
Most absorption occurs:
A) in the esophagus
B) in the jejunum
C) in the lining of the stomach
D) all along the gastrointestinal tract
B) in the jejunum
The products of fat digestion are absorbed into vessels of the:
A) circulatory system
B) lymphatic system
C) hepatic portal system
D) venous system
B) lymphatic system
Two major methods for absorption of the products of digestion are:
A) phagocytosis and pinocytosis
B) osmosis and phagocytosis
C) osmosis and pinocytosis
D) active transport and diffusion
D) active transport and diffusion
The large intestine is so-named because it exceeds the small intestine in:
A) diameter
B) length
C) number of enzymes produced
D) amount of muscle present
A) diameter
Where the small intestine meets the large intestine, there is a colon section known as the:
A) rectum
B) sigmoid colon
C) cecum
D) fundus
C) cecum
An important function of the large intestine is to:
A) break down proteins
B) break down carbohydrates
C) absorb vitamins
D) absorb nucleotides
C) absorb vitamins
All the following are commonly found in the feces except:
A) ATP molecules
B) bacteria
C) inorganic salts
D) epithelial cells
A) ATP molecules
The liver receives materials absorbed from the gastrointestinal tract through a subdivision of the circulatory system called the:
A) venous system
B) lymphatic system
C) renal system
D) hepatic portal system
D) hepatic portal system
All the following are normally found in the bile except:
A) cholesterol
B) pigments
C) various ions
D) proteins
D) proteins
The process of glycogenesis involves the:
A) breakdown of glucose
B) conversion of amino acids to carbohydrates
C) synthesis of glycogen
D) breakdown of glycogen
C) synthesis of glycogen
The process of deamination results in the:
A) breakdown of amino acids
B) synthesis of glucose
C) formation of fat molecules
D) formation of glycogen molecules
A) breakdown of amino acids
The pancreas is located close to the:
A) sigmoid colon
B) stomach
C) cecum
D) appendix
B) stomach