NON-BLOOD SPECIMEN Flashcards
Testing of urine with procedures
commonly performed in an expeditious, reliable, safe, and cost-effective manne
Urinalysis
Non-invasive collection of specimen
Urinalysis
Disease diagnosis
- Screening asymptomatic populations for
undetected disorders
- Monitoring progress of disease and effectiveness
of therapy
REASONS FOR URINALYSIS
- Ultrafiltrate of Plasma or Blood
- Formed at Kidneys
urine formation
urine Average Daily output
1200 mL 1500 mL
t or f
600-2000mL also considered normal)
true
Decreased Urine Output: 400mL/day
(Adults); Occurs at excessive water loss
(diarrhea, excessive vomiting, burns,
dehydration)
Oliguria
cessation of urine flow suggests severe
kidney damage (obstruction or infection)
Anuria
increased excretion of urine during
the night
Nocturia
increased Urine Output: >2.5L/day for
adults (diabetes)
Polyuria
- Urine is normally _____water and ___Solutes
(Organic and Inorganic)
95% water, 5% solute
- Urine is normally 95% water and 5% Solutes
(Organic and Inorganic)
Urea (25.0-35.0g)
Derived from creatine
(muscle metabolism)
Creatinine (1.5g)
Common component of
Kidney Stones (purine metabolism)
Creatinine (1.5g)
Common component of
Kidney Stones (purine metabolism)
Uric acid (0.4-1.0g)
Derived from Benzoic Acid
(metabolism of benzoic acid)
Hippuric acid (0.7g)
other protein, carbohydrates,
and fatty acids
Others (2.9g)
Inorganic solutes
– Principal salt
NaCl (15.0g)
inorganic solutes
Occurs as chloride, sulfate,
phosphate salts
Potassium (3.3g)
inorganic solutes
Derived from amino acids
Sulfate (2.5g)
inorganic solutes
Serves as buffers in blood
Phosphate (2.5g)
inorganic solutes
Derived from protein and
glutamine metabolism
Ammonium (0.7g)
inorganic solutes Occurs as chloride, sulfate,
phosphate salts
Magnesium (0.1g)
inorganic solutes
Occurs as chloride, sulfate,
phosphate salts
Calcium (0.3g)