Urinalysis Questions and Answers Latest Version 100% Pass

Urinalysis Questions and Answers Latest Version 100% Pass What is the recommended time frame for evaluating fresh urine for urinalysis? - Within 2-4 hours of collection for optimal validity What aspects can be assessed through urinalysis? - Renal function markers, protein levels, and metabolic functions What does a "complete urinalysis" entail? - Evaluation of urine's physical properties (color, clarity, specific gravity), chemical composition, and presence of formed elements Which methods are preferred for urine collection? - Cystocentesis and catheterization Which methods are considered less useful for urine collection? - Free-catch and bladder expression 2 What precaution is important when obtaining a free-catch urine sample? - Ensure midstream collection to minimize contamination For what type of abnormalities do we need non-free-catch samples? - Kidney or urinary bladder disease-related issues What are potential issues with bladder expression? - Risk of bladder rupture if excessive pressure is applied or if the bladder wall is compromised When is the best time to collect a urine sample for urinalysis? - Ideally, the first morning sample for optimal concentration assessment When is the best time to assess urine for casts during urinalysis? - First stream in the morning Why should urinalysis be performed promptly after sample collection? 3 - To prevent deterioration of cellular elements and crystals, which can affect accurate recognition and dissolution of crystals over time How long can a urine sample be refrigerated before performing urinalysis? - Up to 6 hours, no longer What precaution should be taken with refrigerated urine samples before testing? - Allow the sample to return to room temperature Which chemical parameters are affected by refrigerated urine samples? - Enzyme-based indicator pads on