Specimen Collection and Testing Module Test
How much urine should be collected for a routine adult urine specimen?
120 mL
How long should cultures be kept in an incubator?
24-48 hours
What scent of urine may indicate that the patient has diabetes?
Sweet or fruity
After completing Gram's stain, what color should Gram-positive bacteria be?
Purple
What is the total magnification of a microscope when the ocular lens is combined with a 10X objective lens?
100x
What is occult blood?
Microscopic blood from the intestinal tract
What urine specimen has the highest concentration of hCG?
First morning void
What pH level indicates that urine is alkaline?
Greater than 8
Which test is used to detect blood in stools?
Hemoccult
For specimen collection, when should gloves be worn?
In all procedures
Why are routine urine specimens often collected from the first void of the day?
The first void of the day is the most concentrated
From where in the stool should a sample be taken?
The middle
Which of the following is true?
Use a sterile container for each specimen
How should a routine urine specimen be collected from an ambulatory patient?
Using a specimen pan
Milky urine may indicate the presence of ____.
lipids
At what temperature should urine be during urinalysis?
room temperature
What is mucus that forms in the bronchial tubes during a respiratory infection?
sputum
What is the mixture of specimen and saline called?
suspension
Approximately how much stool should be placed in a specimen container?
2 tablespoons
Which of the following best describes a clean-catch helmet specimen?
A specimen free from contamination from the genital area
In a direct smear, how is the specimen sealed to the slide?
By heating it with a Bunsen burner
When should a 24-hour urine specimen begin?
Second void of the day
How does CLIA rank tests?
According to the risk factors of incorrect results
Which area of the throat should you swab during a throat culture?
Areas that are raw and swollen
What type of tests may assistants perform?
CLIA waived test