Test 4 Flashcards
(81 cards)
Ureters
Ducts allowing urine to pass from the kidney to the bladder
Bladder
- sterile urine storage
- can store up to 600ml
- feel urge at 200 ml
- under voluntary control until greater than 700ml
Urethra
- channels urine to outside of body from bladder
- 1-2in F 8in M
Color of urine
-pale to dark yellow
Transparency of urine
Clear
-if cloudy suspect infection
Odor of urine
- aromatic
- vitamins, antibiotics can cause strong, sharp odor
Volume of urine
1200-1500 ml/day
Specific gravity of urine
- measures urine density/concentration
- normal 1.003-1.030
- dilute if
pH of urine
5-7 is normal
Urine is acidic
Cells/cast/crystals in urine
- Detected on microscope exam
- RBC’s (2-3) & WBC’s (4-5) are normal
- casts are rare
- hyaline may be found after strenuous exercise or diet therapy. Others may indicate a pathological dysfunction
- crystals found normally. If increase, can cause renal stones (uric acid)
Electrolytes in urine
No glucose, ketones, or protein
Kidneys
- 2 bean shaped structures
- contain about 1million nephrons
- nephrons are functional units
- urine drains into the kidney pelvis
- less than 30ml per HR may be due to kidney failure
- hypertension may lead to renal insufficiency
Micturation
another name for urination
Urgency
sudden need to urinate
may be related to fluid intake, inflammation, or infection. may cause incontinence
Nocturia
excessive voiding at night
may be related to heart failure, diuretics, CHF, or elderly
Enuresis
bedwetting
normal if under 3 yo
Dysuria
painful urination
Hesitancy
difficulty starting flow
may be neurological problem, UTI, Meds (antihistamines)
Dribbling
involuntary passage
weak sphincter muscle, prostate problems or prostate surgery
Hematuria
blood in urine
pyuria
pus in urine
Polyuria
large or excessive amounts of urine
> 2500 mL/day
Oliguria
scant amount of urine
Anuria
no urine output