Urinalysis and Urine Collection

Flashcards covering the history, chemical requirements, and collection methods of urinalysis based on the lecture transcript.

Paleolithic (cave dwel ling) Age

The time period during which the earliest versions of urinalysis were performed.

High levels of glucose

An abnormal finding in urine; it is false to categorize this as normal.

$$1,440$$

The number of minutes in a $24$ hour day.

Bacteria

A substance that is NOT NORMALLY found in urine.

$$20\,^{\circ}\text{C}$$

The temperature at which urine chemistry testing should be performed.

Water

The primary substance that urine is largely composed of.

Under $2\,\text{hours}$

The window of time from collection to testing for a urine sample.

Refrigeration

A storage method whose most common disadvantage is that it causes precipitation of amorphous crystals.

Morning; on waking up

The time of day when normal components of urine are generally at their highest level.

Random

A collection type used in the emergency department for dug and preg test.

Mid-stream clean catch

The most common sterile col lection method; when done properly, it is used for microbiology.

Suprapubic aspiration

An invasive method that provides the most sterile col lection, though it is not commonly used.

$$24\,\text{Hour}$$

The urine collection method used specifically for creatinine clearance and porphyrin testing.