A patient presents with an itchy, annular, cutaneous lesion that has light scaling. As the PA, you scrape some cells from the lesion and examine them under the microscope. Which category includes this type of laboratory test?

A patient presents to the emergency department with new-onset epigastric pain. He has tried a lot of anti-acids as he thought it was a bad case of indigestion, but they provided no relief. Severe pain has continued for three hours, and he has been vomiting for the past one hour. Which one lab would be the most informative at this time?

Which of the following is always an abnormal finding on a urine microscopic exam?

A urine dipstick shows a specific gravity of 1.000 (normal range is 1.005-1.030.) What does this tell you about the kidneys?

A 45-year-old woman presents with jaundice and abdominal pain. Laboratory results show elevated direct (conjugated) bilirubin. Imaging reveals a stone in the common bile duct. What is the likely cause of her elevated bilirubin?

Which of the following statements is TRUE regarding metabolic acidosis?

Excessive amounts of nitrogen in blood is called…

A patient’s lab results include the following: Calcium 13 mg/dL (normal: 8-10.4 mg/dL)Potassium 4.0 mg/dL (normal: 3.5-5.2)Sodium 130 mEq/L (normal: 136-145)Albumin 4.0 g/dL (normal: 3.5-5.2)LDH – elevatedLipase – normalUrine dipstick – normal except positive for bloodMicroscopic examination of urine shows intact red blood cellsWhat would be the most appropriate next step?

Fill in the blanks with the best choice of options:The liver function test that is considered most specific for the liver is the __________________; the test that is often elevated in children is ______________________: and the test that may or may not be elevated in liver disease but is often elevated when there is cancer in other in other organs is ___________________________.

Which test is the best long-term monitoring of diabetic patients?