Lecture Exam 3 Flashcards
What is the name of the connective tissue in the small intestine? What are the functions of this tissue?
Mesentery
double layer of peritoneum, Routes for blood vessels, lymphatics, and nerves. Holds organs in place and stores fat
What are the folds in the stomach?
Rugae
What are the gastric secretory cells, and what do they secrete?
- Chief Cells: pepsinogen (gets converted to pepsin to breakdown proteins
- Parietal Cells: HCl and intrinsic factor (required for absorption of B12 in the ileum)
- G cells: enteroendocrine cells produce gastrin to stimulate gastric motility and other hormone secretions
What are foodstuffs called before entering the stomach, and what are they called after leaving?
Bolus
Chyme
What are the functions of the liver?
- Carbohydrate, lipid, and protein metabolism
- Processing of drugs and hormones (blood filtration)
- Bilirubin excretion
- Bile salt synthesis
- Storage
- Phagocytosis
- Vitamin D activation
- Glycogen storage
What is the function of the gallbladder?
Stores and releases bile
What are the functions of the pancreas?
- Produces enzymes that digest carbohydrates, proteins, fats, and nucleic acids
- Produces HCO3-
- Pancreatic amylase
- Pancreatic lipase
- Inactive proteases (trypsinogen, chymotrypsinogen and procarbocypepidase
- nucleases
Where does water absorption occur?
Small Intestine
What are the functions of the large intestine?
- Haustral churning, peristalsis, and mass peristalsis drive contents of colon into rectum
- Bacteria convert proteins to amino acids, break down aa and produce some B vitamins and Vitamin K
- Absorption of wome water, ions and vitamins
- Form feces
- Defecation
What is the recess internal to lips and cheeks, external to teeth and gums?
Vestibule
What is the median attachment of each lip to the gum?
Labial Frenulum
Is saliva acidic or basic?
Slightly Acidic
What are caries?
Cavities
What is calculus?
Tartar
How often do the kidneys filter the body’s plasma volume?
60 times a day
