What type of stem cell is found at the base of the crypt in the antrum of the stomach?

Which of these urinalysis biochemical tests does NOT have a confirmatory test associated with it: 

The hepatic portal circuit drains blood from the gastrointestinal viscera fenestrated capillaries into the , which carries blood into the liver (hepatic) capillary bed before emptying into the via the hepatic vein. 

Detection of the CA 125 tumor marker in Serous fluid indicates:

Match the following terms with its correct definition 

Differentiation among RBCs, yeast, and oil droplets may be accomplished by all of the following EXCEPT:

 A xanthochromic CSF specimen will appear:

Waxy cast can be found in the urine sediment:

This crystal is found in acid urine

What do the following results suggest?