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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?

Which of the following is NOT a test that is used for the diagnosis of diabetes?

A patient presents with depression and you decide to order a TSH to check for thyroid dysfunction. Results are within normal range. What is the next best step?

A patient presents with prolonged diarrhea, abdominal cramping, and mucous-like stools. Which lab would be able to identify the pathogen Entamoeba histolytica (amebiasis) as the source of the problem?

Lab and diagnostic testing is important to determine an accurate diagnosis.

Which of the following is TRUE regarding acute phase reactants? (Erythrocyte sedimentation rate/ESR and C-reactive protein / CRP)

Which of the following statements is TRUE regarding metabolic acidosis?

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 patient presented to ER with urinary frequency and dysuria. Her urine dipstick confirmed a UTI. She was treated empirically with antibiotics. Ten days later the patient comes to your clinic with the same symptoms. What is the best next step?

A 45 year old male is brought to the ED after a minor motor vehicle accident. He denies drinking alcohol, but you notice slurred speech and an unsteady gait. A blood alcohol test is ordered, and the result shows a level of 150 mg/dL.What conclusion can you draw from this result?