digestive system- book Flashcards
what is not an accessory organ of the digestive system
stomach
the deepest layer of the GI tract is the?
mucosa
which layer of the GI tract comes in contact with food?
mucosa
the visceral peritoneum is the same as?
serosa
mesenteries will?
hold organs in place and make a pathway for blood and nerves
the digestive system begins at the?
oral cavity
the average adult has how many teeth?
32
which is not a muscle of mastication?
orbicularis oris
the flap of tissue dangling in the back of the oral cavity is the?
uvula
the salivary glands located anterior to the ears?
parotid
chewed food is called a?
bolus
swallowing is also known as
deglutition
food should not pass through what part of the pharynx?
nasopharynx
which muscle will relax to allow food to enter the esophagus?
upper esophageal sphincter
which muscle will contract to keep food contents in the stomach?
lower esophageal sphincter
region where the esophagus meets the stomach is called the what region?
cardiac region
an empty stomach will have what on the inside?
rugae
broadest part of the stomach
fundus
hydrochloric acid is produced by which cells
parietal
intrinsic factor is needed for absorption of?
B12
food in the stomach is called
chyme
acid escaping the stomach and entering the esophagus is called?
heart burn
the primary function of the small intestine
nutrient absorption
which intestine is larger in diameter
large intestine
which intestine is longer
small intestine
the liver, gallbladder, and pancreas all release their materials into the
duodenum
the small intestine contains a large number of
microvilli
the first part of the small intestine
duodenum
liver has how many lobes
4
the hepatic portal vein transports materials between what two areas
GI tract and liver
the liver is divided into 6 sided structures called what
lobules
what is not a function of the liver
storing bile
the gallbladder functions to
store bile
bile is good for emulsifying (breaking down) what?
lipids
most of our digestive enzymes come from the?
pancreas
a lipase will always break down?
lipids
amylases will always break down what
carbs
the small intestine and large intestine are separated by
ileocecal valve
food material in the large intestine is called
feces
primary function of large intestine
water absorption
longest part of the large intestine
colon
the ascending colon rises up to meet what organ
liver
bacteria in the large intestine produce what vitamin
K
gas in the large intestine is also called
flatus
if part of the GI tract passes through the diaphragm, a person has?
hiatal hernia
