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?

What types of samples can be analyzed in the laboratory?

You see a patient for a routine physical at 2:00pm. She tells you that she works at an insurance agency and just came from a delicious staff buffet. Due to her age and weight, you screen her for diabetes. The nurse checks her blood glucose (using a glucometer) and states it is 180. Records show a previous level of 150. You diagnose her with diabetes. Which of the following was an obvious error in this lab test?