Fecal Composition and Testing Quiz

Occult blood

Stercobilin and urobinin

Skatole, mercaptans, and hydrogen sulfide

<p>Increased amounts of osmotically active substances</p> Signup and view all the answers

<p>To protect the stomach from its own digestive secretions</p> Signup and view all the answers

<p>By secreting bicarbonate ions into the lumen</p> Signup and view all the answers

<p>75% water and 25% solids</p> Signup and view all the answers

<p>Aldosterone</p> Signup and view all the answers

<p>Lack of lactase enzyme production leading to lactose fermentation in the colon</p> Signup and view all the answers

<p>Non-inflammatory diarrhea is usually viral or toxin-induced, with large volume, non-bloody stools and absence of fecal leukocytes. Inflammatory diarrhea involves invasive bacteria, fever, pain, low volume bloody stools, and presence of fecal leukocytes.</p> Signup and view all the answers

<p>Vibrio cholerae, E.coli, Clostridium, Salmonella, Shigella, Staphylococcus, Campylobacter, Cryptosporidium</p> Signup and view all the answers

<p>Lack of lactase enzyme causes undigested lactose to ferment in the colon, leading to gas production by enteric microbes.</p> Signup and view all the answers