Experiment 10 Flashcards
It is a filtrate from the blood and serves as a medium for excretion of water, salts, acids, bases, waste products of metabolism, and other materials
Urine
It helps in the maintenance of water balance, acid-base equilibrium and serves as important factor in the detoxification of the body
Urine
For majority of urine examinations, the ____ is the most suitable
first early morning urine
It is recommended the urine collection is preceded by at least ____ of lying position
eight hours
The early morning urine is more ____ and ____ compared to the later samples, and suitable especially for chemical examination
more concentrated and acidic
The urine taken later during the day is more affected by ____ , ____ and ____
liquid intake, food and physical activity
Urine is typically obtained by a ____ micturition
spontaneous
The actual urine collection is to be performed after thorough washing and wiping of the external _____
urethral orifice
A perfectly clean, dry, and capped ___ should be used; in particular, it must be free from ____ and ____ that distort chemical analyses
vessel ; detergents and disinfectants
The ___ flow of urine is best for analysis. The initial flow is always ____ with cells and bacteria from around the external urethral orifice. Therefore, the patient should ____ the first flow or urine into closet, and pick up the following portion of urine into the collection vessel
middle ; contaminated ; dispose
In women, the examination of urine is avoided shortly before, and shortly after the _____
menstruation
The normal urine is usually light yellow to ____ . Generally, the ______ the solute volume the _____ the color.
The yellow color of urine is due to the presence of a yellow pigment, _______.
Deviations from normal colors can be caused by certain ___ and _______ .
COLOR
amber ; greater ; deeper
urochrome
drugs ; pigments
Normal urine is slightly ______ , characteristic smell of freshly ____ .
Urine becomes more _______ upon standing due to bacterial activity.
ODOR
aromatic ; voided urine
ammonia-like
Normal urine is _____ or ____ and becomes cloudy upon standing.
Cloudy urine may be evidence of _____ , _____ , _____ , ____ , _____ , or _____. (PUMBEL)
TURBIDITY
transparent ; clear
phosphates, urates, mucus, bacteria, epithelial cells, or leukocytes
Normal pH ranges from ____ . High protein diets increase ______ .
Vegetarian diets and bacterial infections increase ______ .
PH
4.5-8.0 ; acidity
alkalinity