Exam 2-Med Surg Flashcards
absorption
phase of the digestive process that occurs when small molecules, vitamins, and minerals pass through the walls of the small and large intestine and into the bloodstream
amylase
an enzyme that aids in the digestion of starch
chyme
mixture of food with saliva, salivary enzymes, and gastric secretions that is produced as food passes through the mouth, esophagus, and stomach
dyspepsia
upper abdominal discomfort associated with eating; upset stomach
elimination
phase of digestion process that occurs after digestion and absorption, when waste products are evacuated from the body
intrinsic factor
a gastric secretion that combines with vitamin B12 so that the vitamin can be absorbed
lipase
enzyme that aids in the digestion of fats
pepsin
a gastric enzyme that is important in protein digestion
trypsin
enzyme that aids in digestion of protein
What is pernicious anemia?
Can’t absorb B12
What medical emergency can have GI issues?
Myocardial infarction
What is referred in terms of pain?
Is the pain radiating?
What color would a patient’s stool be after the barium enema?
Milky white
What can cause black stool?
Bismuth, iron, and black licorice
What can cause red stool?
Beets, red gelatin, tomato soup, food coloring
What can cause green stool?
Leafy green vegetables, spinach, kale
What does oral cancer typically look like?
Raised white or red patches in oral cavity
How long do you have to listen to bowel sounds before charting absent?
5 minutes
Order of abdominal assessment:
Inspection, auscultation, percussion, and palpation
How does H. Pylori get diagnosed?
Breath test or blood test
What could black stool indicate in terms of occult blood testing?
Upper GI bleed (peptic)
What could red stool indicate in terms of occult blood testing?
Lower GI-such as hemorrhoids or polyp
When preparing for an occult blood test, what should the nurse tell the patient?
Avoid red meat, aspirin, NSAIDs 72 hours prior. Avoid Vitamin C. No laxatives, enemas, or suppositories for 3 days prior
What is the FIT-fecal test? Any precautions for testing?
The FIT reacts to the human hemoglobin protein. Can detect abnormal sections of DNA from cancer or polyps. Does not require any dietary or medication restrictions
How does a hydrogen breath test work?
The patient will ingest a capsule of carbon-labeled urea and a breath sample is completed 10-20 min later. H. pylori quickly metabolizes urea so the carbon dioxide can be measured to determine if it is present.
What should you tell a patient to avoid prior to the hydrogen breath test?
No antibiotics or bismuth for 1 month prior, no proton pump inhibitors for 2 weeks before, No antacids for 24 hours prior
What can H. pylori cause?
peptic ulcer
How long should a patient be observed after abdominal ultrasonography with anesthesia?
1 hour