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testing A+P ch.5 lecture 4 (fecal testing (stool abnormalities (high fat…
testing A+P ch.5 lecture 4
fecal testing
helps in detection for bleeding or obstruction of the GI system
stool abnormalities
high fat diet
greasy, tar-like, or buttery textured-cystic fibrosis
bulky, frothy stool- celiac disease
diarrhea- overly rapid passage of stool through intestine
shape
narrow,ribbon-like: spastic bowel or partial obstruction
small ball-like: chronic moderate constipation
hard slow movement: excessive water intake
stool PH: neutral or slightly alkaline
acidic PH: ingestion of carbohydrates
alkaline PH: ingestion of protein
stool color is normally brown but can also be yellow, green, tan/clay colored, black due to abnormalities or consumption of foods
blood in stool may be gastritis, gastric ulcers, diverticulitis, ulcerative colitis, colon or gastric cancer
mucus in stool
there should be none, it could be due to emotional excitation, excessive straining during bowel movements, spastic constipation, mucus colitis
Cerebral Spinal Fluid
clear and colorless fluid found in ventricles of brain, and central canal of spinal fluid
functions
acts as a shock absorber
helps regulate intracranial pressure, can influence transportation of nutrients and wastes in brain
influences environment of brain, such as glucose levels, leading to hunger sensations and eating behaviors
normal values
normal values daily production: 500 ml
normal circulation around brain and spinal cord: 200 ml
normal color: clear,colorless
normal cell count: 0-5/microliters
abnormalities
color may be due to: hemorrhage, micro-organisms, tumors, inflammatory disease, trauma
culture and sensitivity
culture
identifies pathogen causing infection and which drug will kill pathogen
sensitivity
small discs of antibiotic medication placed on culture medium