INCOMPLETE Urinary System Flashcards
1
Q
Components of the Urinary System
A
- Kidney (covered by renal capsule)
- Ureter
- Urinary Bladder
- Urethra
2
Q
Bladder made of
A
muscle and lots of nerves
3
Q
urge to urinate starts at…?ml
A
100ml
4
Q
Length of Urethras
A
Men, 20cm
Women, 4 cm
5
Q
Blood travels to the kidney via …
A
the renal artery
6
Q
Layers of the Kidney
A
- cover: Renal Capsule
- Renal Cortex
- Renal Medulla
- Renal Pelvis
7
Q
Functional unit of the kidney
A
- Nephron
- 1 mil per kidney
- 7-12 pyramids per kidney
8
Q
Fx of Kidney
A
- filtration (blood, waste: urea, creatinin, amonia, uric acid)
- reabsorbtion
- elimination (H2O ,N waste)
- secretion (hormones: renin, erthropoetim)
- regulation: BP, E, H2O, hormone secretions
9
Q
UTI
A
- bacterial invasion of UT
- 2nd most comm bacterial disease
- # 1 nosocomial infec
10
Q
UTI: Cause
A
-Ecoli (most common)
11
Q
Lower UTIs
A
- urethritis
- prostatitis (men)
- cystitis (inflam of bladder)
12
Q
Upper UTIs
A
- pyelonephritis (whole kidney infected)
- Ureteritis
13
Q
Upper UTI’s cause
A
un Rx UTIs
14
Q
UTI: Risk Factors
A
- women (ESTR lo w age, lining width decreases) => risk of UTI
- aging
- sexual int
- urinary catheritization
- DM (lo immune)
- Neurogenic Bladder (bladder lose sensitivity d/t SCI, Post Sx, brain damage, foley catheter)
- Urine statis
- BPH (enlarged prostate)
- Diaphragm (w spermicide, kills good/bad bacteria)
15
Q
UTI: Dx
A
- if bact count low but symptomatic, they treat
- if bact over 100,000, treat even if asymptomatic.
- UA
- Urine C&S
