Urine Elimination Flashcards

0
Q

Define neurogenic bladder.

A

Peripheral neuropathy that affects the bladder, causing incontinence in diabetic patients.

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1
Q

What is the most common source of a UTI?

A

E. Coli

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2
Q

Define detrusor muscle.

A

Bladder muscle (responds to parasympathetic stimulation)

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3
Q

How many hours in between voids suggests that a patient may need a straight cath?

A

6 hours

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4
Q

Define micturation.

A

Urination

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5
Q

What is the normal range per urinary void?

A

300-400 mL

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6
Q

How often should a patient void?

A

Every 2-3 hours

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7
Q

What factors may lead to urinary retention?

A

Immobility, supine position, anesthesia, surgery

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8
Q

A UTI is diagnosed for bacterial colonies greater than _____?

A

10,000

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9
Q

What findings are most likely in a UA of a patient with a UTI?

A

WBCs, bacteria

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10
Q

Why don’t you want to raise a catheter bag above the patient?

A

Urine will flow back into the bladder and may cause infection

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11
Q

How many times should a patient wipe for a clean catch?

A

3

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12
Q

Normal UA values: pH

A

4.6-8.0; Acidic pH helps protect against bacterial growth

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13
Q

Normal UA values: protein

A

0-8 mg/100 mL; protein may indicate renal disease or damage to glomeruli/tubules

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14
Q

Normal UA values: glucose

A

0; glucose may indicate DM or high glucose concentrations (> 180 mg/100 mL)

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15
Q

Normal UA values: ketones

A

0; ketones in urine may indicate DM, dehydration, starvation or excessive aspirin usage

16
Q

Normal UA values: blood

A

0; blood in urine may be a result of menstruation in women

17
Q

Normal UA values: specific gravity

A

1.0053-1.030; high specific gravity reflects concentrated urine (dehydration, reduced renal blood flow, increased ADH secretion); low specific gravity reflects diluted urine (overhydration, early renal disease, inadequate ADH secretion)

18
Q

Normal UA values: RBCs

A

0-2; high RBCs may indicate trauma, disease, or surgery of lower urinary tract

19
Q

Normal UA values: WBCs

A

0-4; high WBCs may indicate UTI

20
Q

Normal UA values: bacteria

A

0; bacteria indicate UTI

21
Q

Normal UA values: casts

A

0; casts indicate renal alterations

22
Q

Normal UA values: crystals

A

0; excess crystals such as uric acid or calcium phosphate result in renal stone formation

23
Q

What is the purpose of a CT scan on the renal system?

A

To detect tumors or obstructions

24
Q

What is the purpose of an IVP?

A

To view obstructions in the collecting ducts, renal pelvis, ureters, bladder or urethra (ex: check for kidney stones)

25
Q

What is the purpose of an ultrasound on the bladder (bladder scan)?

A

To estimate the volume of the urine in the bladder (residual volume)

26
Q

Define functional urinary incontinence.

A

Loss of urine caused by factors outside the urinary tract (ex: environmental barriers, immobility, cognitive/sensory function)

27
Q

Define stress urinary incontinence.

A

Involuntary leakage of urine during increased abd pressure in the absence of bladder muscle contraction (ex: while coughing, laughing, sneezing)

28
Q

Define urge urinary incontinence.

A

Involuntary passage of urine after a strong sense of urgency to void (ex: with bladder spasm or contraction)

29
Q

Define mixed urinary incontinence.

A

Combination of urge and stress incontinence

30
Q

Define overflow urinary incontinence.

A

Involuntary loss of urine at intervals without sensation of urge to void (ex: spinal cord dysfunction or peripheral neuropathy resulting in bladder overflow)

31
Q

Define hyperactive/overactive bladder.

A

Urinary urgency associated with urinary frequency and nocturia

32
Q

Normal daily urine output

A

1200-1500 mL

33
Q

Normal daily fluid intake

A

2200-2700 mL

34
Q

Normal values: GFR

A

125 mL/min

35
Q

How does urinary stasis cause incontinence?

A

Causes decreased bladder muscle tone