An outpatient who is a vegetarian and supplements her diet w…
An outpatient who is a vegetarian and supplements her diet with megavitamins is feeling poorly. She is having complaints of having to urinate frequently. She is seen by her physician who orders a routine urinalysis. The results are as follows: Screenshot (339).png 1. Why is there a discrepancy between the urine color and specific gravity? A. An old specimen B. Diabetes mellitus C. Increased beta carotene D. Increased bacteria 2. What is the most probable cause of the discrepancies in the chemical and microscopic results? A. Dilute specimen B. Increased ascorbic acid C. Specimen color D. Specimen clarity 3. The elevated pH may be caused by: A. Bacterial metabolism B. Vitamins C. Inadequate fluid intake D. Increased fluid intake 4. The positive protein is caused by: A. Glomerular damage B. Lower urinary tract infection C. Upper urinary tract infection D. Prerenal disorder 5. What is the patient’s probable diagnosis? A. Renal calculi B. Glomerulonephritis C. Allergic reaction D. Urinary tract infection
Read DetailsA laboratory supervisor is authorized to purchase a new osmo…
A laboratory supervisor is authorized to purchase a new osmometer. The supervisor must decide between a freezing-point and a vapor-pressure model. 1. Based on the information provided, if this is a pediatric hospital, which model is better?A. Freezing-pointB. Vapor-pressure2. Which model is more likely to be affected by technical errors?A. Freezing-pointB. Vapor-pressure3. Which model is affected by lipemic serum but not elevated ethanol levels?A. Freezing-pointB. Vapor-pressure4. What substance is used as a reference standard in both models?A. KClB. Distilled waterC. NaClD. Deionized water
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