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Digestive System
test 3
127
Nursing
Undergraduate 2
11/23/2012

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Cards

Term
mucus membrane
Definition
lining air passageways and pharynx
Term
filter air
Definition
trap particles, phagocytosis by macrophages, antibacterial action, antiviral action
Term
interferon
Definition
produced by cells invaded by a virus- protects surrounding uninfected cells
Term
mucus membrane
Definition
pseudostratified ciliated epithelium
Term
hyperfusion
Definition
decreased oxygen in blood circulatory problems
Term
hypoventilation
Definition
problem with lung enhancing air with environment
Term
dyspnea
Definition
difficulty breathing
Term
cyanosis
Definition
blue skin
Term
spirometry
Definition
measures volume of air able to be moved in and out of lungs
Term
vital capacity
Definition
maximum breath in- volume breathed out
Term
diffusion capacity
Definition
uses carbon monoxide to evaluate of respiratory membrane
Term
hypoperfusion
Definition
pulmonary hypertension, thromboembolism, reduced ventilation
Term
pulmonary hypertension
Definition
left heart failure (elevated BP within the lungs)
Term
pulmonary edema
Definition
accumulation of fluids to the lungs
Term
cardiac obstructions
Definition
mitral valve stenosis
Term
thromboembolism
Definition
blot clots in pulmonary artery, blockage of pulmonary vessels can lead to heart failure
Term
reduced ventations
Definition
reflexive vasoconstriction in areas of reduced ventilation, making area of the lung collapse, decrease blood flow to that area
Term
hypoventilation
Definition
obstructive lung disease (chronic bronchitis)
Term
chronic bronchitis
Definition
inflammation of bronchioles, swell and decrease the size of the lumen, everyday
Term
chronic bronchitis
Definition
long term irritation to the mucus membranes (irreversible)
Term
hypoxemia
Definition
low oxygen levels
Term
hypercapnia
Definition
high carbon dioxide levels
Term
secondary polycythemia
Definition
increased levels of EPO and higher hematocrit
Term
thrombosis
Definition
increased blood viscosity causes a risk for ____.
Term
emphysema
Definition
destruction of alveolar septa, instead of having small compartment you will have a sac. makes a tension causing a decrease in surface area making airways collapse
Term
emphysema
Definition
enlargement of alveolar spaces
Term
emphysema
Definition
loss of support of bronchioles- airways collapse
Term
Chronic airway obstruction
Definition
COLD, COPD, CAO
Term
asthma
Definition
reversible, bronchiole constriction, mucus hypersecretion, inflammation
Term
bronchiole constriction
Definition
smooth muscle spasm
Term
mucus hypersecretion
Definition
in response to inflammation
Term
cystic fibrosis
Definition
genetic autosomal recessive disorder, abnormal mucus-increased viscosity (thick and sticky messes with digestive system as well Salty sweat
Term
Restrictive lung disease
Definition
keep lungs from expanding
Term
atelectasis
Definition
collapse of a portion of the lung, loss of minimum volume- air absorbed into blood and not replaced, associated with bronchial obstruction
Term
loss of minimal volume
Definition
amount of air that stays in the lungs after you completely breath out
Term
pneumothorax
Definition
atmospheric air enters the pleural space, results in the collapse of a lung
Term
pneumothorax
Definition
stabbing, shooting, opening, puncture
Term
pleurisy
Definition
inflammation of the pleural membranes, every breath hurts, lung coverings
Term
large surface area
Definition
diffusion can occur effectively, ex: emphysema
Term
thin membranes
Definition
pneumonia (fluid)
Term
mechanisms to move gases into and out of the membranes
Definition
replenish supply out with old in with new ex: asthma, bronchitis
Term
mechanism to transport gases from membrane to cells and from cells to membrane
Definition
hypoperfusion
Term
alimentary canal
Definition
take in food
Term
ingestion
Definition
this is necessary for system to function
Term
digestion
Definition
physical, chemical, peristalsis, absorption, elimination
Term
peristalsis
Definition
bowel sounds, movement of food through GI tract
Term
absorption
Definition
takes nutrients into blood
Term
elimination
Definition
fecal material- this may determine how digestible/ absopable food is
Term
vomiting
Definition
reverse peristaltic activity, medulla oblongata
Term
diarrhea
Definition
increased fecal fluidity
Term
chyme
Definition
fluid in digestive tract
Term
secretion
Definition
water into lumen
Term
bacterial toxins
Definition
trying to dilute- irritating the lining of the colon
Term
unabsorbed fatty acids
Definition
lactose intolerant, gallbladder problems
Term
laxatives
Definition
soften fecal mater
Term
osmosis
Definition
movement of water, hold fluid
Term
osmosis
Definition
increases solute concentration in fecal material, laxatives
Term
factors influencing reabsorption
Definition
alcohol, antibiotics, antitumor drugs
Term
irritable bowel syndrome
Definition
spastic colon: abdominal discomfort, cramping, fatigue,alternating diarrhea and constipation, idiopathic
Term
esophagitis
Definition
stratified epithelium, heart burn, gastric reflux, hital hernias
Term
hiatal hernia
Definition
chronic esophagitis, loss of ability to keep acid in stomach... force or pressure on the stomach ruptures the esophageal hiatus
Term
gastritis
Definition
bacterial infection, autoimmune chronic gastritis, acute erosive gastritis (alcohol, asprin, NASID)
Term
appendicitis
Definition
obstruction of narrow lumen of appendix
Term
fecalith
Definition
feces get stuck in luman
Term
appendicitis
Definition
bacterial growth, blockage followed by swelling pain vomiting and anorexia
Term
itis
Definition
inflammation of...
Term
peritonitis
Definition
inflammation of the serous membrane system of the abdominal cavity
Term
endogenous irritants
Definition
ruptured appendix or colon wall, gall bladder or pancreatic damage, release of bile salts and digestive enzymes
Term
exogenous irritants
Definition
penetrating wounds, std, surgical procedure (sexually transmitted bacteria is more common in females because of the fallopian tubes)
Term
diverticulitis
Definition
pouch-like sac of mucosa protruding through the colon wall; sigmoid region
Term
diverticulosis
Definition
presence of diverticula
Term
inflammatory bowel disease
Definition
pain, bleeding, diarrhea; crohns and ulcerative colitis
Term
crohns disease
Definition
regional enteritis, usually colon but can affect the GI, periods of flare up and remission, pain diarrhea weight loss anemia
Term
ulcerative colitis
Definition
onset more abrupt with more severe symptoms, limited to the colon, inflammation response of mucosal lining, necrosis and abscess formation
Term
ulceration
Definition
protective mechanisms normally prevent acid and enzymes from eroding the mucosal lining of the gut
Term
mucus coat
Definition
prevents acid from getting into the cells
Term
tight junctions
Definition
between epithelial cells prevent H+ ions from penetrating into the submucosa
Term
digestion
Definition
loss of protective mechanisms results in __ of the lining
Term
helicobacter
Definition
(factors leading to ulceration) infection weakness defense
Term
gastric hypersecretion
Definition
(factors leading to ulceration) enzyme and acids
Term
stress
Definition
(factors leading to ulceration) physical trauma or psychological stress, erosion of stomach lining
Term
gastrointestinal obstructions
Definition
block movement of materials through intestines: adhesions tumors hernias
Term
adhesion
Definition
cause gut to stick down
Term
malabsorption
Definition
generalized a specific nutrient (b12) mild and short duration of sever and chronic
Term
defective digestion: problems with liver or pancreas
Definition
lack of bile or pancreatic enzymes
Term
defective digestion: problems with gut motility
Definition
paralytic ileus "assembly line stops"
Term
defective digestion: surgical resections of the gut
Definition
inadequate digestive processing, loss of feedback control mechanisms-duodenum
Term
defective absorbtion
Definition
loss of surface area due to restrictions, intestinal trauma, enteritis, celiac disease
Term
celiac disease
Definition
immune-mediated damage to intestinal mucosa, may be genetic or linked to early childhood virus
Term
transit defects
Definition
problems with transport via blood to lymph, problems with heart and lymph nutrients are not getting where they need to go.
Term
bile secretion
Definition
salts for digestion and absorption of fats, removal of bilirubin *product of Hb metabolism)
Term
bile secretion
Definition
waste product extracted from blood
Term
metabolic functions
Definition
fat metabolism, gycogenesis, glycogenolysis, glucogenolysis, determination of proteins, sythesis of clotting factors, sythesis of albumins
Term
fat metabolism
Definition
synthesis of cholesterol
Term
glycogenesis
Definition
glucose to glycogen
Term
glycogenolysis
Definition
breakdown of glycogen to glucose
Term
gluconeogenesis
Definition
formation of glucose from noncarb sources
Term
deamination of proteins
Definition
ammonia to urea conversions
Term
synthesis of clotting factors
Definition
liver failure bleed
Term
synthesis of albumins
Definition
maintain osmotic balance of the blood
Term
detoxification
Definition
metabolisms of toxins, storage of toxins
Term
liver failure
Definition
hyperbilirubinemia, neonatal jaundice, cholestatic jaundice
Term
hyperbilirubinemia
Definition
high bilirubin levels in the blood
Term
jaundice
Definition
yellow color
Term
bilirubinurea
Definition
brown urine kidneys are compensating for liver
Term
hemolytic jaundice
Definition
excessive RBC destruction
Term
hepatocellular jaundice
Definition
failure of liver to take up or to conjugate bilirubin (builds up in the blood)
Term
neonatal jaundice
Definition
liver enzymes and excretion systems may not be entirely functional for 7-14 days
Term
cholestatic jaundice
Definition
inability of hepatocytes to excrete conjugated bilrubin
Term
intrahepatic obstruction
Definition
(cholestatic jaundice) infections or drugs damage tissues and cause swelling, bile canaliculi are compressed- bile flow is obstructed
Term
extrahepatic obstruction
Definition
(cholestatic jaundice) mechanical blockage of bile ducts: infections, gallstones,tumorsm pancreatic cancer
Term
HAV
Definition
acute and usually mild, fecal-oral transmission, usually not found in other body fluids, may be associalted with shelfish from contaminated waters, immune response to infection produces lifelong immunity
Term
HBV
Definition
potentially more serious than HAV, virus found in all body fluids including fluids at wound sites, can be associated with contaminated needles, medical accidents, sex, and mother to infant during birth, immunity achieved after infection in most individuals
Term
HDV
Definition
incomplete viral particle AVOID, can only infect if HBV infection is underway, chronic can lead to liver necrosis, drug users sharing needles and homosexual males are at rise
Term
HCV
Definition
transmission by way of the blood, transfusions, repeated exposure to infected needles, homosexual males or idiopathic
Term
HEV
Definition
fecal-oral transmission, not common in North America, associated with developing countries, drug and chemical hepatitis
Term
hepatotoxic effects
Definition
industrial chemicals, plant toxins, analgesis, anesthetics, antibiotics, anticonvulsants, street drugs, NSAID, oral contraceptives, tranquilizers
Term
industrial chemicals
Definition
carbon tetrachloride, benezene
Term
analgesics
Definition
acetaminophen- liver failure
Term
street drugs
Definition
ecstasy
Term
idiosyncratic reactions
Definition
reactions of individuals based on unique physiology
Term
cirrhosis of the liver
Definition
long term necrosis and infiltration of liver tissue by fibrous connective tissue fibers
Term
hepatic dysfunction
Definition
liver functions no longer present
Term
portal hyertension
Definition
hemorrhoids, esophageal varices
Term
esophageal varices
Definition
rupture causing bleeding in stomach
Term
cholelithiasis
Definition
production of stone (gallstone formation)
Term
cholecystitis
Definition
what actually happens (inflammation of the gall bladder) gives you symptoms and problems
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