Urinalysis Exam 1

Quantitation of a substance that varies wit daily activities should be performed on a:

24-hour specimen

All laboratory workers must avoid:

manually recapping needles

Disinfection of the sink in the urinalysis laboratory is performed:

on a daily basis

The acceptable method for disposing of urine specimens is:

pouring down the sink

The CDC recommends that Universal Precautions be followed when encountering:

specimens containing visible blood

When encountering a person experiencing an electrical shock, the first thing to do is:

turn off the circuit breaker

Proper handwashing includes all of the following except:

using a paper towel to turn on the water

The primary cause of the changes that take place in unpreserved urine is:

Bacterial growth

Which of the following urine chemicals will deteriorate when exposed to light?

Bilirubin

The CDC guideline that considers all moist body substances to be potentially infectious is:

Body substance isolation

A specimen for routine urinalysis and culture can be preserved using:

Boric acid

Failure to empty the bladder before beginning the collection of a timed urine specimen will:

Cause falsely increased results

Documentation of appropriate handling of specimens for drug analysis is provided by the

Chain of custody form

The recommended specimen for routine urinalysis testing is the:

First morning specimen

An unpreserved urine specimen left at room temperature overnight will have decreased:

Glucose and ketones

A first morning specimen is frequently requested to confirm:

Orthostatic proteinuria

The RACE system is used when encountering a/an:

fire

Urine from a patient with diabetes insipidus has:

Increased volume and decreased specific gravity

The specimen of choice for routine urinalysis is the first morning in urine because it:

Is more concentrated to better detect abnormalities

An alternative to the catheterized specimen is the:

Midstream clean-catch specimen

Before using a water hose on a burning chemical cabinet, a firefighter would check the:

NFPA symbol

An increase in urine production during the night is described as:

Nocturia

Persons taking diuretics can be expected to produce:

Polyuria

Which of the following terms is correctly matched with urine output?

Polyuria: 3000mL in 24 hours

The three glass collection is used for the diagnosis of:

Prostate infection

Which of the following will be least affected in an unpreserved specimen left at room temperature overnight?

Protein

When frequently working with which of the following hazards do personnel wear badges for protection?

Radiation

In the laboratory, the preferred method of urine preservation is:

Refrigeration

Before analysis, a refrigerated urine specimen must be:

Returned to room temperature

A urine specimen for reagent strip glucose analysis can be preserved using all of the following methods except:

Sodium fluoride

The least contaminated specimen for bacterial culture is the:

Suprapubic aspiration

A urine specimen may be rejected by the laboratory for all the following reasons except:

The container uses a screw-top lid

The polyuria associated with diabetes mellitus is caused by:

The presence of excess glucose in the urine

All of the following specimens are acceptable for a urine culture except:

Timed specimen

The guideline that tells laboratory personnel to consider all patients as possible carriers of blood-borne pathogens is called:

Universal Precautions

To determine if a specimen is urine, measure the concentrations of:

Urea and creatinine

The Occupational Exposure to Blood-borne Pathogens Standard is:

a law enforced by OSHA

Centrifuging an unaccepted tube of urine is most likely to produce a/an:

aerosol

A laboratory worker who observes a red rash on the hands following the removal of gloves should:

avoid wearing latex gloves in the future

Lab coats worn in urinalysis should:

be completely buttoned

Information concentrating the health hazards, flammability, and reactivity of a chemical can be obtained from the: a) MSDS b) NFPA Symbol c) CDC d) both A and B

both A and B

Plexiglass shields are used in the urinalysis laboratory when specimens are being: a) poured into tubes b) uncapped c) centrifuged d) both A and B

both A and B

Safety precautions observed in the urinalysis laboratory include all of the following except:

centrifuging only uncapped specimens

The source, method of transmission, and host are:

components of the chain of infection

Items in the laboratory that must be securely fastened to nonmovable objects are:

compressed gas cylinders

The chain of infection includes all of the following except a:

disinfectant