Answer question 21. it's the only one in stuck on

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not