Hormones

Question 1

acetylcholine

produced, received, action

Answer 1

produced by vagus

received by various

increases GI activity

Question 2

gastrin

Answer 2

produced by G cells (pyloric antrum, duodenum, pancreas)

received by parietal cells, ECL cells

stimulates HCl, stimulates histamine

Question 3

GIP

Gastric inhibitory peptide

Answer 3

• Produced by K-cells
  
  • duodenum, jejunum
    
    • secretes GIP when it sees acid
• received by parietal cells, beta cells, adipocytes
• decrease HCl, motility
• increase insulin, lipoprotein lipase

Question 4

Secretin

Answer 4

• produced by S-cells
  
  • duodenum, jejunum
• received by G-cells (stomach), pancrease, liver
• decreases gastrin
• increases HCO3 and bile production

Question 5

CCK

cholecystokinin

Answer 5

• produced by I-cells
  
  • duodenum, jejunum
  • release stimulated by fatty meal
• received by gallbladder, pancrease
• bile release
• enzyme release

Question 6

Somatostatin

Answer 6

• produced by D-cells
  
  • pyloric antrum, duodenum, pancrease
• received by G-cells, parietal cells
• decrease gastrin, HCl

Question 7

Histamine

Answer 7

• produced by ECL cells
  
  • stomach
• received by parietal cells
• increase HCL

Question 8

GRP

Gastrin-Releasing Peptide

Answer 8

• released by vagus
• received by G-cells
  
  • stomach
  • increase gastrin

Question 9

prostaglandins

Answer 9

• produced by mucosa
  
  • stomach
• received by ECL cells
• decrease histamine

Question 10

seratonin

Answer 10

• produced by Enterochromaffin (EC) cells
• received by various
• increase motility, including diarrhea and vomiting

Question 11

motilin

Answer 11

• produced by M-cells
  
  • duodenum, jejunum
• received by various
• increase MMC (myocin myoelectric complex)

Question 12

leptin

Answer 12

• produced by adipocytes
• received by CNS
• decrease hunger

Question 13

Ghrelin

Answer 13

• produced by ghrelinergic cells of GI tract
• Received by CNS
• increases hunger

Question 14

peptide YY

Answer 14

• produced by L-cells
  
  • ileum, colon
• received by various
• decrease hunger, GI motility, various secretions