MLT 105 UA

urine specimens must be collected in clean, dry, leak proof container to eliminate...

a first morning specimen is more concentrated than a random specimen

drug specimens must withstand legal scrutiny

urine with a specific gravity of 1.010 is termed

What are the two characteristics of urine specimen

this type of specimen is carefully timed and produces accurate quantitative results

Urine specimen collection is the most vulnerable part of-

normal variations of urine appearance can be due to

this produces yellow foam when urine is shaken and is often mistaken for bilirubin

melanogen is produced in excess when a Pt has MM and can result in black/brown urine

urine concentration is influenced by reabsorption

this type of specimen is collected by external introduction of a needle through the abdomen into the bladder

if urine has a specific gravity < 1.002 it’s probably urine with very low solute

what led to the examination of urine sediment

which medications can result in black/brown urine

orange-yellow urine is produced by

Specimens should be rejected if...

specimen should be promptly tested within

which produce a red clear urine

urine output of < 200ml

COC is a standardized form that documents every step of drug testing from collector, to courier to lab to medical review

urine preservation decreases

Specific gravity of 1.002-1.035 is ___

irons with a specific gravity > 1.010 is termed

nocturia is the increase of urine excretion at night

olguira can be a result of dehydration and excessive water loss due to

this tool determines the concentration of dissolved particles in a specimen by measuring refractive index

when you've collected a sample where should the label be attached

Urine test are obtained by expensive lab test

the common specific gravity of normal random urine specimen is

when a specimen is shaken and foam appears it can be suspected that there is ____ in the urine

osmolality is affected by the number of particles present

photo-oxidation of bilirubin in the presence of biliverdin results in what color urine

The two types of nephrons are controlled by...

which is considered an abnormally high specific gravity of urine

Urine was the beginning of lab medicine

urine color and provide preliminary information of which disorders

Midstream clean catch specimen is an alternative to the catheterized specimen

which are causes of blue/green urine

what is the function of the juxtamedullary nephron

urine output of < 400 ml

The kidneys have two types of nephrons

turbidity, color, odor, volume, viscosity, and sweetness are characteristics of...

dark yellow or amber urine can be caused by the presence of abnormal bilirubin

what is the most routinely used method of preservation of urine

if urine contains casts, crystals, cells, mucus, and bacteria it is indicative of...

urine with a specific gravity < 1.010 is termed

fresh brown urine containing blood can indicate glomerular bleeding

urine containing porphyrins will be yellowish

which are urine pigments

what is used to further check calibration

First morning specimens are essential for...

which medications can result in blue urine

Iron temperature must be taken within ___ of collection

squamous epithelial cells, mucus, and a hazy appearance in female urine is

the oxidation of hemoglobin to methemoglobin (RBCs in the urine) result in what color of urine

if you’re testing a specimen that is turbid from sitting in a refrigerator at the appropriate temperature you-

catheterized specimen commonly request what kind of test

what are nonpathogenic causes of red urine

what type of specimen is the most ideal screening specimen

urine temperature of a drug specimen must be

urine is 95% water and 5% solutes

RBCs, Hemoglobin, and myoglobin result in cloudy red urine

which contribute to modern analysis

specific gravity is influenced by the number and size of particles

this is a product of endogenous metabolism and under normal conditions the body produces it a constant rate

urine output of > 2.5 L/day

refrigeration can cause sediments to settle at the bottom so you should

What is the function of the cortical nephron

a refractometer is calibrated by using

urine output of 1200-1500ml OR 600-2000ml

UA aids in...

this type of specimen is useful for routine screening test to detect obvious abnormalities

breakdown of proteins and amino acids produce

alkaptonuria is an inborn error of metabolism that can cause black urine due to ___

which one more rapidly cleared from the body

UA became part of Pt routine examination in 1827

what is the main solute that accounts for half of the solutes

phenazopyridine OR azo-gantrisin is administered to people who have