Chapter 48 Flashcards

1
Q

Primary regulators of fluid and acid-base balance; right is slightly lower than left due to liver; 1,200 ml of blood passes through every minute; each contains approx. 1 million nephrons; produce 60ml of urine per hour (1,500ml daily)

A

The Kidneys

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2
Q

The functionary units of the kidneys

A

The Nephrons

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3
Q

A tuft of capillaries surrounded by the bowman capsule

A

Glomerulus

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4
Q

Glucose and other solutes are absorbed in the _________

A

Loop of Henle

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5
Q

Site of water and electrolyte reabsorption

A

Proximal convoluted tubule

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6
Q

Site of additional water and sodium reabsorption

A

Distal convoluted tubule

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7
Q

In adults, the ureters range from ____ to ____ in length and about ______ in diameter

A

25 to 30cm; 1.25cm

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8
Q

Backflow

A

Reflux

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9
Q

Hollow, muscular organ which serves as a urine reservoir; normal capacity ranges from 300 to 600 ml

A

Urinary Bladder

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10
Q

Smooth muscle layers of the bladder; allow bladder to expand and contract

A

Detrusor muscle

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11
Q

Triangular area marked by ureter openings

A

Trigone

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12
Q

Openings

A

Meatus

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13
Q

The urethra is between ___ and ___ cm for women and _____ cm for men

A

3, 4; 20

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14
Q

Stretch receptors are stimulated when there is ____ to _____ ml of urine present in adult bladders and _____ to _____ ml in children

A

250, 450; 50, 200

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15
Q

Urine output increases to 250 to 500ml a day during first year; may urinate as often as 20 times daily; born without urinary control

A

Infants

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16
Q

Take responsibility for independent toileting

A

Preschoolers

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17
Q

Kidneys double in size between ages 5 and 10; urinates 6 to 10 times daily;

A

School-Age Children

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18
Q

Involuntary passing of urine

A

Enuresis

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19
Q

Involuntary passing of urine during sleep

A

Nocturnal Enuresis

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20
Q

True or False Excretory function of the kidneys diminishes with age

A

True

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21
Q

Complaints of urinary urgency and frequency are common;

A

Older adults

22
Q

Increase urine formation through the prevention of reabsorption of water and electrolytes

A

Diuretics

23
Q

Production of abnormally large amounts of urine by the kidneys

A

Polyuria (diuresis)

24
Q

Polyuria following excessive fluid intake

A

Polydipsia

25
Q

Low urine output; usually less than 500ml daily or 30ml/hr

A

Oliguria

26
Q

Lack of urine production

A

Anuria

27
Q

Technique by which fluid and molecules pass through a semipermeable membrane; two most common methods are hemodialysis and peritoneal dialysis

A

Dialysis

28
Q

Voiding at frequent intervals, more than four to six times daily

A

Urinary frequency

29
Q

Voiding two or more times nightly

A

Nocturia

30
Q

Sudden, strong desire to void

A

Urgency

31
Q

Voiding that is either painful or difficult

A

Dysuria

32
Q

A delay and difficulty in initiating voiding

A

Urinary hesitancy

33
Q

Involuntary leakage of urine or bladder control; symptom, not a disease; 13 million Americans suffer from it, 85% are women; common causes include: UTI’s, urethritis and pregnancy.

A

Urinary Incontinence

34
Q

Overdistended bladder caused by urine accumulation; causes poor contractility of detrusor muscle

A

Urinary retention

35
Q

Interference of normal mechanisms of urine elimination due to impaired neurologic function

A

Neurogenic bladder

36
Q

True or False Normal urine consist of 90% water 10% solutes

A

False, normal urine consist of 96% water and 4% solutes

37
Q

Urine remaining in the bladder after voiding; normally ranges from 50 to 100ml

A

Residual urine

38
Q

Urea is measured as ___________

A

Blood Urea Nitrogen (BUN)

39
Q

The _______ _________ test uses 24 hr urine and serum creatinine levels to determine the glomerular filtration rate

A

Creatinine clearance

40
Q

A normal daily intake averaging ________ ml of measurable fluids is adequate for most adult clients

A

1,500

41
Q

Skin that is continually moist becomes _______

A

Macerated (softened)

42
Q

True or false Applying a condom catheter may not be delegated to unlicensed assistive personnel

A

False

43
Q

Method of applying manual pressure on the bladder to promote bladder emptying

A

Crede’s maneuver / method

44
Q

Clients with a retention catheter should drink up to______ ml per day, if permitted

A

3,000

45
Q

True or false Routine changing of the catheter and tubing is recommended

A

False

46
Q

Flushing or washing out

A

Irrigation

47
Q

A __________ catheter is inserted surgically throughout eh abdominal wall above the symphysis pubis into the bladder

A

Suprapubic

48
Q

When one or both of the ureters may be brought directly to the side of the abdomen to form small stomas

A

Ureterostomy

49
Q

A ___________ diverts urine from the kidneys to a stoma

A

Nephrostomy

50
Q

A ___________ may be formed when the bladder is left intact, but voiding through the urethra is not possible

A

Vesicostomy

51
Q

The most common urinary diversion is the ______ _______; this is when a segment of the ileum is removed and the intestinal ends are reattached

A

Ileal conduit