Chapter 5 - Physical Examination
Chapter 3 - Intro to UA
Chapter 2 - Safety
Chapter 6 - Chemical Examination
Chapter 7 - Microscopic Examination
100
The primary pigment responsible for normal urine color is:
Urochrome
100
Average daily volume of urine produced by an adult is:
1200 mL
100
Which of the following CDC guidelines considers all moist body substances to be potentially infectious and stresses hand washing?
Standard Precautions
100
What is the normal pH of urine?
1.005
100
Urine sediment with increased WBCs should also be looked at carefully for what?
Bacteria
200
What color urine might come from a patient with Pseudomonas infection?
Green
200
Before analysis, what must you do to a urine that was stored in a refrigerator?
Allow it to come to room temperature
200
What is the acronym to remember when using a fire extinguisher?
PASS
Point
Aim
Squeeze
Sweep
200
What must you do with a new bottle of strips before you complete any patient testing?
Run QC
200
Name one of the 2 ways you can differentiate between yeast and RBCs
1. Look for budding yeast
2. Add acetic acid to lyse the RBCs
300
A urine specimen is diluted 1:2 and then the specific gravity reads 1.030. What is the ACTUAL specific gravity?
1.060
300
What is it called when a patient is frequently urinating at night?
Nocturia
300
Exposure to a carcinogen is an example of what type of hazard?
Chemical
300
Which positive dipstick test is most closely associated with renal disease?
Protein
300
What crystal normally looks like an envelope, but another form could look like a dumbbell?
Calcium oxalate
400
A patient diagnosed with diabetes insipidus will produce urine with ______ volume and ________ specific gravity
Increased volume and decreased specific gravity.
↓ ADH effect → collecting ducts stay relatively impermeable to water → water stays in the tubular fluid → water is excreted
400
What is the primary cause of changes that happen in unpreserved urine?
Bacterial Growth
400
Laboratory equipment and other inanimate objects serve as what in the chain of infection?
Resevoir
400
What analyte is measured using the "error of indicators" as the principle reaction?
Protein
400
Triple Phosphate
500
A urine with the same specific gravity as the ultrafiltrate is called
Isosthenuric
(iso- means same)
500
What type of preservation would you expect in a urine that shows large amounts of amorphous material?
Refrigeration
500
Name 3 things that are required before we start a lab
1. Hair back
2. Lab coat
3. No food or drinks
4. Closed toed shoes
5. Long pants (no holes)
6. Gloves
500
You have a sample that is positive for ketones, but negative for glucose. What is one symptom that might cause these results?
Starvation, Keto diet, excessive exercise
500
Which of the following cells found in increased numbers in the urine sediment is only indicative of nephron damage?
Renal Tubular