General Flashcards
Chyme is produced in the \_\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
B) stomach
Site where most absorption occurs is the \_\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
C) small intestine
Initial section of the small intestine is the \_\_\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
D) duodenum
Adds stored liver secretion to the duodenum via a duct\_\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
I) gall bladder
Inactive enzymes (zymogens) are produced here\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
G) pancreas
Bile is produced here \_\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
H) liver
Waste products are concentrated here \_\_\_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
A) colon
. Conduit for rapid transit of food bolus is the \_\_\_\_\_\_. A) colon B) stomach C) small intestine D) duodenum E) esophagus F) salivary glands G) pancreas H) liver I) gall bladder
E) esophagus
The parietal cells secrete \_\_\_ into the lumen of the GI tract. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
B) intrinsic factor
Chief cells secrete \_\_\_\_\_. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
C) pepsinogen
Pancreatic duct cells secrete \_\_\_\_\_\_\_\_. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
D) HCO3-
Antral endocrine cells secrete \_\_\_\_\_\_. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
H) gastrin
Parietal cells secrete into blood \_\_\_\_\_\_. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
D) HCO3-
Parasympathetic (vagus) nerve secretes \_\_\_\_. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
G) Ach
Stomach surface cells secrete \_\_\_\_\_. A) histamine B) intrinsic factor C) pepsinogen D) HCO3- E) mucus F) somatostatin G) Acetylcholine (Ach) H) gastrin
E) mucus
What are the two types of diarrhea?
Osmotic and Secretory
What roles do paracrines play in digestion?
histamines promote secretion of gastrin
somatostatin inhibits secretion of gastrin
What is the function of the migratory motor complex (MMC)?
cleans out the stomach when it is empty
Ingesting antacids with and after a meal to maintain gastric pH > 6.0 will cause a greater than normal secretion of \_\_\_\_\_\_\_. A) nitric oxide (NO) B) gastrin C) somatostatin D) secretin
B) gastrin
Dr. Smith has acid reflux following each meal due to elevated secretion of HCl. The most effective means to reduce his symptoms would be to prescribe _______.
A) antacids (TUMS)
B) nonsteroidal anti-inflammatory drugs (NSAID)
C) proton pump inhibitors (NEXIUM)
D) histamine receptor antagonists (TAGAMET)
C) proton pump inhibitors (NEXIUM)
During the ingestion of a meal, the primary type of contraction occurring in the esophagus is \_\_\_\_\_\_. A) segmentation B) peristalsis C) tonic contraction D) migrating myoelectric complex (MMC)
B) peristalsis
Vomiting uses primarily:
a. the migrating motor complex (MMC).
b. contraction of respiratory and abdominal skeletal muscles.
c. mass movements.
d. contraction of the inner smooth muscle mass to reverse peristalsis.
b. contraction of respiratory and abdominal skeletal muscles.
The mechanism of absorption of glucose into the body is:
a. primary active transport.
b. secondary active transport
c. facilitated diffusion.
d. simple diffusion.
b. secondary active transport
The absorption of amino acids from the lumen of the small intestine into the body occurs by:
a. primary active transport.
b. secondary active transport
c. osmosis.
d. simple diffusion. ✘ 0.00
a. primary active transport. ?
Fats from the diet cross the intestine epithelial cells to enter the ____ as chylomicrons.
a. lymphatic circulation
b. blood circulation
a. lymphatic circulation
The electrical depolarizations that occur rhythmically in the small intestine during the fed state are called:
Your Answer Score Explanation
a. action potentials. ✘ 0.00
b. migrating myoelectric complexes (MMCs).
c. electrical slow waves.
d. mass movements.
d. mass movements. ?
Random contractions and relaxations (non-propulsive mixing) that occur in the small intestine in the fed state are called:
a. peristalsis.
b. segmentation contractions.
c. mass movements.
d. migrating myoelectric complexes (MMCs).
b. segmentation contractions.
Intrinsic factor secreted by gastric parietal cells is required for absorption of ______ into the body.
a. vitamin A.
b. vitamin B12.
c. vitamin C.
d. vitamin E.
b. vitamin B12.
