[Answer] Which type of urine speciment does not include the first and last urine in the sample?

Which type of urine speciment does not include the first and last urine in the sample?

Clinical urine tests ( also known as urinalysis UA) is an examination of urine for certain physical properties solutes cells casts crystals organisms or particulate matter and mainly serves for medical diagnosis. The word is a blend of the words urine and analysis. Urine culture (a microbiological culture of urine ) and urine electrolyte levels are part of urinalysis.

Clinical urine tests are examinations of the physical and chemical properties of urine and its microscopic appearance to aid in medical diagnosis. The term urinalysis—a blend of the words urine and analysis —generally refers to the gross examination of the urine chemical evaluation using urine test strips and microscopic examination.Gross examination targets parameters that can be …

The pH of urine normally vary between 4.5 and 8 with the first urine produced in the morning generally being more acidic and the urine …