chp 42 Flashcards
(86 cards)
t/f: urine is considered sterile
true
t/f: lower respiratory system is not considered sterile
false
t/f: upper respiratory system is considered sterile
false
what is the time period for fasting
generally 8-12 hours
what should a urine specimen container be labeled with
- pt name
- date & time of collection
- test to be done on specimen
when should urine testing ideally be done
1 hour within collection
what should be done if urine testing can’t be tested within the hour
refrigerate sample
what temperature should urine be before testing
room temperature
what urine test allows for the greatest concentration of urine
morning urine test
what concentrates does timed urine test measure (chemicals)
creatinine, urine urea nitrogen, glucose, sodium, potassium, other analytes affected by daily cycles
how long is timed urine test collected for
8-24 hours
when does timed urine test befing
after first morning void which is not counted
what sometimes needs to be done to timed urine collection because of time
refrigeration or add preservatives
what shows up in substance abuse urine test
all drugs (including OTC) taken in last 30 days
what is checked during a substance abuse urine test while the pt is watching
temperature
what are the physical components of urinalysis
color, clarity, odor, volume, specific gravity
what terms are used to describe color of urine
yellow, straw, dark straw, light straw, light yellow, dark yellow, red, brown, orange, green, blue
what terms are used to describe the clarity of urine
clear, slightly hazy, hazy, cloudy, turbid
what is the average volume of urine given in a sample
20 mL
what does a strong ammonia smell to urine indicate
UTI
what does a mousy/musty smell to urine indicate
phenylketonuria
what does a fruity/acetone smell to urine indicate
diabetes
t/f: certain foods like garlic can produce urine odor
true
what may be used to measure specific gravity of urine
urinometer/refractometer/chemical reagent strips
