A urine specimen was collected at 10:00am, the specimen was received

in the lab at 11:45 am received in the lab, and the CLS performing urinalysis on a lunch break at 12:00 noon and returned at 1:00pm, the specimen was left at room temperature until the CLS returned from and performed the test.


Results obtained on the specimen were as follows:
Appearance                     sl. hazy                          
Color                               yellow                       
pH                                    8.5
Specific Gravity              1.026
Blood                              negative    
Urobilinogen                   0.2  
Glucose                           negative
Protein                             negative
Nitrite                              positive
Leukocyte esterase          negative
Ketones                           negative 


Microscopic Examination:


The microscopic examination of the urine revealed the presence of bacteria only.


Questions:


1. Which results are abnormal?


2. State the reason for any abnormal results.


3. If there is a discrepancy in the test results, if yes, what test results are discrepant?


4. Do the test results indicate a pre analytical of analytical error, if yes which test (s)?
5. Relate the significance of the positive test for nitrite along with the other