ENHANCEMENT CLASS LEC: URINE AND OTHER BODY FLUID Flashcards
A liquid tissue biopsy of the urinary tract
URINE
Painlessly obtained (EASY)
URINE
Yields a great deal of information quickly and economically
URINE
Tests need to be carefully performed and properly controlled
URINE
Kidney receives :
25% of total cardiac output
Total renal blood flow:
1200 ml/min
Total renal plasma flow:
600-700 ml/min
URINE consist of _____and other organic (35%) and inorganic (25g)
urea
Urine is normally _________
95% water and 5% solutes
is the metabolic waste product produced in the liver from the breakdown of protein and amino acids
UREA
Other organic substances of urine:
CREATININE
URIC ACID
MAJOR INORGANIC substances of urine:
CHLORIDE
The major inorganic solid dissolved in urine
CHLORIDE
OTHER INORGANIC SUBSTANCES OF URINE
SODIUM
POTASSIUM
Other substances found in urine include
hormones, vitamins and medications.
URINE MAY ALSO CONTAIN FORMED ELEMENTS :
cells, casts, crystals, mucus and bacteria (increase amount is often indicative of disease)
____ is major body constituent
Water
main determinant of urine volume
Water
Normal range of urine (24hrs)
600-2000 mL
Average range of urine (24hrs)
1200-1500 mL
Night urine generally is not in excess of ______.
400 mL
FACTORS THAT INFLUENCE URINE VOLUME:
fluid intake
fluid loss
variations in secretions of ADH
Decrease urine output
<400 mL/day
Causes: Dehydration
OLIGURIA
Increase in daily urine volume
>2.5/day in adults
>2.5-3 mL/kg/day in children
Causes: DM, DI, DIURETICS
POLYURIA
Complete CESSATION of urine flow
<100 mL/24hrs
Causes: serious damage to the kidneys
ANURIA
Increase in the nocturnal excretion of the urine.
NOCTURIA
Specimens must be collected in clean, dry, leak-proof containers. What mL?
50mL
Allow ____ specimen needed for microscopic analysis
12 mL
Unacceptable Situations:
- Specimens in unlabeled containers
- Nonmatching labels and requisition forms
- Specimens contaminated with feces or toilet paper
- Containers with contaminated exteriors
- Specimens of insufficient quantity
- Specimens that have been improperly transported
Specimens should be delivered to the laboratory promptly and tested _________.
within 2 HOURS
A specimen that cannot be delivered and tested within 2 hours should be ___
refrigerated
most routinely used method for preservation.
REFRIGERATION (2°C - 8°C)
refrigerated during until cultured up to 24 hours
CULTURE
should be bactericidal, inhibit urease, and preserve formed elements and the sediment.
TRANSPORT TUBES
Semen Composition:
Spermatozoa
Seminal fluid
Prostate fluid
Bulbourethral glands
Spermatozoa percent
5%
Produced in seminiferous tubules in the testis & matures in the epididymis
Spermatozoa
Seminal fluid percent
60 - 70%
provides nutrients for the sperm (fructose: essential for the movement of the sperm.)
Seminal fluid
Prostate fluid percent
20-30 %
Acidic; has enzymes that are important for liquefaction and coagulation.
Prostate fluid
Bulbourethral glands percent
5%
It is produced in the choroid plexuses of the two lumbar ventricles; the 3rd & 4th ventricles
CEREBROSPINAL FLUID
Neutralize the acidity of the semen
Bulbourethral glands
Fluid between the membranes that provides lubrication between the parietal and visceral membrane
SEROUS FLUID
NEEDLE ASPIRATION:
Thoracentesis (pleural)
Pericardiocentesis (pericardial)
Paracentesis (peritoneal)
lies in respiratory system
Thoracentesis (pleural)
lies the parietal and visceral membrane of heart
Pericardiocentesis (pericardial)
Flows between the linings of the parietal and visceral membrane of the abdominal organs
Paracentesis (peritoneal)
Often referred to as “joint fluid”
SYNOVIAL FLUID
Formed as ultrafiltrate of plasma across the synovial membrane
SYNOVIAL FLUID
The synovial membrane contains specialized cells called
SYNOVIOCYTES
Sac called the ___, which surrounds the fetus, contains amniotic fluid.
amnio
Protects the fetus by acting as a cushion, allowing movement stabilizing temperature to guard against excessive temperature swings, and enabling healthy lung development
AMNIOTIC FLUID
____of amniotic fluid come from maternal blood
35ml
AMNIOTIC FLUID COLOR
Colorless :
Normal
AMNIOTIC FLUID COLOR
Blood-streaked :
Traumatic tap, abdominal trauma
AMNIOTIC FLUID COLOR
Yellow :
Hemolytic disease of the newborn
FECAL ANALYSIS
MACROSCOPIC
Quantity :
100 - 200g per day
AMNIOTIC FLUID COLOR
Dark green:
Meconium
Fetal death
FECAL ANALYSIS
MACROSCOPIC
Color :
brown
FECAL ANALYSIS
MACROSCOPIC
Odor :
indole and catole
found in watery stools.
TROPHOZOITES
found in formed stools.
CYSTS