The presence of stones in the gallbladder is referred to as:
1. cholecystitis
2. cholecystectomy
3. cholelithiasis
4. cholesterol calculi
After digestion, monoglycerides and fatty acids associate with bile salts and phopholipids to form:
1. chylomicrons
2. micelles
3. globules
4. lipoproteins
Maximum enzyme activity will be seen in:
1. duodenum
2. stomach
3. oral cavity
4. ileum
The shortest part of the human intestine is the:
1. transverse colon
2. duodenum
3. descending colon
4. jejunum
What is incorrect regarding saliva in humans?
1. The concentration of electrolytes, potassium and bicarbonate, are higher than in plasma
2. It contains antibacterial compounds like thiocynate lysozyme
3. Lingual lipase has a pH optimum of around 6.8 and is functional in oral cavity
4. Water is the largest constituent of saliva
What are broken down in the liver or muscle cells to release fatty acids and glycerol?
1. micelles
2. chylomicrons
3. lipopolysaccharide
4. lipoproteins
Small intestine can readily absorb all the following except:
1.
2.
3.
4.
Identify the incorrectly matched pair:
1. caries--tooth decay
2. gingivitis--inflammation of the gums
3. heartburn--stomach acid in the esophagus
4. mumps--viral infection of the sublingual glands
A peptide hormone that stimulates secretion of gastric acid (HCl) by the parietal cells of the stomach and aids in gastric motility is:
1. GIP
2. gastrin
3. secretin
4. CCK
The hormones released from cells in the duodenal epithelium in response to acidic and fatty stimuli present there when the pylorus opens and emits gastric chyme into the duodenum for further digestion, are:
1. secretin and CCK
2. GIP alone
3. secretin alone
4. CCK alone