Chp 5 Flashcards
The passage of materials through the walls of the small intestine into the bloodstream is called
absorption
small building blocks of proteins released when proteins are digested
amino acids
an enzyme secreted by the pancreas and salivary glands to digest starch
amylase
the terminal end or opening of the digestive tract to the outside of the body
anus
blind pouch hanging from the ceum
appendix
digestive juice made in the liver and stored in the gallbladder, breaks up large fat globules, composed of bile pigments, cholesterol and bile salts
bile
pigment released by the liver in bile
bilirubin
intestine
bowel
pointed dog like teeth next to the incisors also called cuspids or eyeteeth
canine teeth
first part of the large intestine
cecum
consists of the ascending, transverse and sigmoid segments
colon
carries bile from the liver and gallbladder to the duodenum also called the choledochus
common bile duct
elimination of feces from the digestive tract through the anus
defecation
swallowing
deglutition
primary material found in teeth, covered by the enamel in the crown and a protective layer of cementum in the root
dentin
breakdown of complex foods to simpler forms
digestion
first part of the small intestine, measures 12 inches long
duodenum
act of removal of materials from body
elimination
physical process of breaking up large fat globules into smaller globules
emulsification
hard outermost layer of a tooth
enamel
chemical that speeds up reactions between substances, enzyme names end in -ase
enzyme
tube connecting the throat to the stomach
esophagus
substances produced when fats are digested, a category of lipids
fatty acids
solid waste, stool
feces
small sac under the liver, stores bile
gallbladder
simple sugar
glucose
starch, glucose is stored in the form of glycogen in liver cells
glycogen
substance produced in the stomach necessary for digestion of food
hydrochloric acid
third part of the small intestine
ileum
one of four front teeth in the dental arch
incisor
hormone produced by endocrine cells of the pancreas, transports sugar from the blood into cells and stimulates glycogen formation by the liver
insulin
second part of the small intestine
jejunum
pancreatic enxyme needed to digest fats
lipase
large organ located in the RUQ of the abd, secretes bile/stores sugar, iron, vitamins. produced blood proteins and filters out toxins
liver
ring of muscles between the esophagus and stomach, AKA cardiac sphincter
lower esophageal sphincter (LES)
chewing
mastication
6th, 7th, 8th teeth from middle on either side of dental arch
molar teeth
roof of mouth
palate
organ behind the stomach, produces insulin and enzymes
pancreas
small projections on the tongue
papillae
salivary gland within the cheek, anterior to the ear
parotid gland
rhythmic contractions of the tubular organs
peristalsis
throat, the common passageway for food from the mouth and for air from the nose
pharynx
large vein bringing blood to the liver from the intestines
portal veins
enzyme that digests protein
protease
soft tissue within a tooth, containing nerves and blood vessels
pulp
ring of muscle at the end of the stomach near the duodenum, opens when a wave of peristalsis passes over it
pyloric sphincter
distal region of the stomach opening to the duodenum
pylorus
last section of the large intestine connecting the end of the colon and the anus
rectum
ridges on the hard palate and the wall of the stomach
rugae
digestive juice produced by salivary glands contains enzyme amylase
saliva
parotid, sublingual, submandibular glands
salivary glands
fourth and last, S shaped segment of the colon, just before rectum, empties in rectum
sigmoid colon
circular ring of muscle that constricts a passage or closes a natural opening
sphincter
muscular organ that receives food from the esophagus
stomach
fat molecules composed of three parts fatty acids and one part glycerol, subgroup of lipids
triglycerides
soft tissue hanging from the middle of the soft palate
uvula
microscopic projections in the wall of the small intestine that absorb nutrients into the bloodstream
villi
the gastrointestinal tract begins with the
oral cavity
the liver maintains
normal blood glucose levels, manufactures blood proteins necessary for clotting, releases bilirubin, removes toxins
the pancreas
both exocrine and endocrine, produces enzymes to digest starch, fat, and proteins, secretes insulin
lack of hydrochloric acid in the stomach, can cause gastric microbial overgrowth. increase risk for gastric cancer
Achlorhydria
end to end, end to side, side to side
anastomoses
lack of appetite
anorexia
lack of appetite (mental disease)
anorexia nervosa
symptoms of anorexia nervosa
weight loss, denies problem, extensive exercise, sexual disinterest, depression, dry/cracked skin, fine hair, growth arrest
most common condition leading to surgery in patients with abd pain
appendicitis
the treatment for appendicitis is
appendectomy
abnormal fluid accumulation in the abd, “dropsy” is old term
ascites
S/S include abd pain, abd discomfort in tight clothing, shortness of breath, anorexia, weight gain, and scrotal/penile edema in males
ascites
Causes of ascites include
peritoneal infxn/inflammation, metabolic disease, heart and hepatic congestion, traumatic, malignancy, lymphatic obstruction, infectious (hepatitis)
hyperactive intestinal peristalsis, rumbling or gurgling noise from movement of gas, fluid, or both. Common with diarrhea
Borborygmus
presence of fibroids with regenerative nodules in the liver
cirrhosis
cause of cirrhosis
alcoholism, chronic viral hep B, wilson’s disease, cystic fibrosis, hemochromatosis
S/S of cirrhosis
fatigue, anorexia, N, abd pain, distension, weakness, malaise, jaundice, ascites
abd pain caused by spasm of intestinal muscles during the first 3 months of life
colic
when does colic usually subside?
3 mo
S/S colic
rhythmic crying/paroxysmal, no ability to console, fist clenching, back arching, drawing up legs, excessive flatus
opening to the outside of the body (colon)
colostomy
combination of changes in frequency, size, consistency, and ease of bowel movements
constipation
General measures for constipation include
Eliminate medications that cause constipation/make it worse, increase fluids & modify diet, stool softeners, enemas
S/S constipation
less freqency stooling, harder stool, impaction, difficulty expelling feces, painful evacuation, abd fullness
causes of constipation
electrolyte imbalance, hormonal abnormalities, congenital impairments, inadequate fluid intake, chronic laxative abuse, physciatric/culutral/environmental factors, pain
loose watery stool. abrupt onset in healthy individual (usually infectious). chronic is considered more than 3 weeks
diarrhea
types of diarrhea
acute viral, travelers, bacterial, protozoa
the sensation of difficulty swallowing, disorder of esophageal transport
dysphagia
oropharyngeal type dysphagia
choking when swallowing, coughing when swallowing, weak voice, aspiration pneumonia, weight loss
esophageal type dysphagia
pressure sensation in mid chest with solids/liquids/both, weight loss, GERD symptoms, longer time required to eat meals
cause of esophageal type dysphagia
malformations, neuromuscular, GERD, structural
flatus
eructation (burp), gas
presents with progressive abd discomfort frequently with weight loss, anorexia, nausea, acute or chronic GI bleeding, vomiting, early satiety.
Gastric Carcinoma
Diagnosis of Gastric Carcinoma
EGD
Tx of gastric carcinoma
gastrectomy, resection, chemotherapy, radiation
reflux of gastroduodenal contents into the esophagus with or without esophageal inflammation
gastroesophageal reflux (GERD)
S/S GERD
heartburn, regurgitation, dysphagia, angina-like CP, bronchospasm, laryngitis, chronic cough, globus sensation
cause of GERD
inappropriate relaxation of lower esophageal sphincter (LES), pregnancy, delayed gastric emptying
risk factors of GERD
food that lower LES pressure (high fat), food that irritate mucosa (citrsu), hiatal hernia, smoking/caffeine/alcohol, medications
bright red blood per rectum, seen in colonic tumors, ulcerative colitis, hemorroids
hematochezia
black dark tarry stolls, blood containing feces and some of the blood has already been digested
Melena
bleeding above the ligament of treitz, upper GI bleed
melena
yellow skin and other tissues from an elevated level of bilirubin in blood
jaundice
what is the best place to look for jaundice
sclera, urine
unpleasant sensation from the stomach with tendency to vomit
nausea
fat in feces, malabsorption of fat, pale/soft/bulky/malodorous stool that stick
steatorrhea
mouth ulcers, canker sores, white circular lesions surrounded by erythematous margin. pain subsides in 4-5 days , no treatment necessary
Aphthous stomatitis
tooth decay, nursing bottle carries, rampant caries after childhood may indicate marajuna use
dental caries d
herpetic gingivostomatitis, herpes simplex virus 1. Small vesicles that rupture and form ulcers. lasts 10-14 days. reactivated by stress
Herpetic Stomatitis
white patches of the mouth that cannot be wiped off. pre cancerous, needs biopsy
Oral luekoplakia
inflammation and degradation of the gums, teeth and surrounding bone. usually begins as gingivitis. pain is absent unless acute infection is present
periodontal disease
failure of the muscles of the lower esophagus to relax during swallowing, need to dilate esophagus or LES
Achalasia
abnormal passage near the anus, may connect with another structure (bladder/vagina).
Anal Fistula
a narrow slit in anal wall treated with increased fiber
anal fissure
polyps found in colon, causes rectal bleeding but mostly asymptomatic. larger lesions can cause abd pain and cramps
colonic polyposis
autosomal dominant disease of the colon in which 100 or more adenomatous polyps are in the colon. Malignancy before 40
familial polyposis
what is recommended for a patient with familial polyposis?
prophylactic colectomy
cancer of the colon
colorectal cancer
colorectal cancer is more common in _______ and is a (fast/slow) growing cancer
women, slow
Tx for colorectal CA
resection, radiotherapy, chemotherapy
inflammatory disease of the small intestine colon or both.
crohns
crohns disease most often includes
terminal ileum inflammation
S/S Crohns Disease
diarrhea, abd pain, weight loss, abd tenderness, fistulas
intermittent bouts of inflammation of all portions of the colon
ulcerative colitis
S/S ulcerative colitis
bloody diarrhea, fever, wt loss, arthalgias, arthritis
out pouching in the intestinal wall. Herniation of the colon mucosa through the muscular layer usually at site of perforating artery
diverticula
an abscess or peri diverticular inflammation initiated by the rupture of a mucosal microscopic abscess into the mesentery
diverticulitis
painful inflamed intestines, often infectious. from unsanitary conditions
dysentery
cancer of the esophagus, squamous cell and adenocarcinoma are common types. smoking and alcohol are major risk factors
esophageal CA
S/S esophageal CA
dysphagia, wt loss
large collateral veins located in submucosa of the esophagus. More prominent in distal esophagus. Result from chronic high pressure in portal vein
esophageal varices
cholesterol or pigmented stones in gallbladder
cholelithiasis
inflammation of gallbladder
cholecystitis
stones in the common bile duct
choledocholithiasis
mostly asymptomatic. RUQ pain, epigastric pain, N/V, fatty food intolerance
gallstones
varicose veins in rectal region, internal and external
hemorrhoids
intestinal obstruction. associated with intraperitoneal or retroperitoneal infection. Often occurs after abd surgery
ileus
telescoping bowel
intussusception
S/S intussusception
N/V, BRBPR, intermittent colicky abd pain, palpable abd mass, lethary fever
spastic colon, altered bowel habits in the absence of organic pathology
IBS
S/S IBS
mucous in stool, constipation/diarrhea, abd pain
consists of duodenal and gastric ulcers, increased risk with smoking and age
peptic ulcer disease
pancreatitis
inflammation of the pancreas
grey turners sign
flank discoloration
cullens sign
umbilical discoloration
fourth leading cause of CA deaths, adenocarcinoma is most common type.
pancreatic CA
S/S pancreatic Ca
vague abd pain, wt loss, anorexia, painless jaundice, fatigue
Tx pancreatic CA
whipple
inflammation of the liver by a virus, increased risk for healthcare workers, hemodialysis, blood product recipient, homosexual, household exposure, organ transplant
viral hepititis
cancer of the liver, occurs in pts with chronic liver disease (cirrhosis)
hepatocellular carcinoma
volvulus
twisting intestines