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The functional unit of the kidney
Nephron
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The structure responsible for urine formation
Glomerulus
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The presence of large protein in the urine
Proteinuria
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Produced by the kidneys to maintain normal RBC volume
Erythropoietin
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Where and how does erythropoietin function?
- In the bone marrow
- Stimulates the RBC production and maturation, and prolongs life of mature RBC
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Clients with alterations in kidney function are unable to produce enough erythropoietin and are prone to what?
Anemia
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The kidneys affect regulation of ____ and ____ by producing a substance that converts Vitamin D to its active form.
Calcium and Phosphate
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These 4 brain structures influence bladder functioning.
- Cerebral cortex
- Brain stem
- Thalamus
- Hypothalamus
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The bladder holds as much as ____ mL of urine.
600mL
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Desire to urinate usually occurs between ____ and ____ mL.
150 and 200mL
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Conditions that affect the urine volume and quality are generally categorized in these 3 origins.
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Decreased blood flow to and through the kidneys is categorized in this origin.
Prerenal
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Categorized origin when there is disease conditions of renal tissue.
Renal
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Categorized in the origin where there is an obstruction in the lower urinary tract that prevents flow of urine away from the kidney.
Postrenal
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An increase in nitrogenous waste in blood, marked fluid and electrolyte abnormalities, nausea, vomiting, headache, and coma are signs and symptoms of this syndrome.
Uremic Syndrome
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Medication administered for life to prevent the body from rejecting a transplanted organ.
Immunosuppressives
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Awakening 1 or more times a night to void
Nocturia
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Excessive output of urine
Polyuria
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Output decreads despite normal intake
Oliguria
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Drinks that contain caffeine increase urine formation called..
Diuresis
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The stress response releases this hormone which increase water reabsorption
Antidiurectic Hormone (ADH)
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Stress elevates this hormone which causes retention of Sodium and Water.
Aldosterone
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What color does Pyridium turn urine?
Orange-Rust
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Amitriptyline causes urine to become this color..
Green or Blue
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What color doe levodopa turn urine?
Black or Brown
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What is the most common HAI?
UTI
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Most common causative pathogen for UTIs
E. coli
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Bacteria in the urine
Bacteriuria
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Bacteria in the bloodstream
Urosepsis
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Which gender is more at risk for UTIs?
Females
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Which gender is more at risk for infection-related renal disease?
Males
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Residual urine becomes more ______ and is an ideal spot for microorganism growth
Alkaline
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Pain or burning with urination
Dysuria
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Normal urine production if ___ to ___ L/day
1-2L
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Urine is approximately ___% water and ___% solutes
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Anticholinergics (atropine) and antihistamines may cause _________
Urinary retention
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By assessing skin turgor and oral mucosa the nurse is gathering data about what?
The clients hydration
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What position is best when examining a females urethral meatus?
Dorsal recumbent
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Vaginitis is common in older women due to the decrease in what?
Estrogen
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An hourly output of less than ___mL for more than 2 hours is cause for concern
30mL
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Urine clarity may be cloudy and foamy from what?
Increased protein levels
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Urine clarity my be cloudy and thick from these two things
Bacteria and WBC
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Urine has a sweet and fruity smell when there is acetone or acetoacetic acid present and is commonly found in patients with..
Diabetes Mellitus and starvation
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Three types of urine tests
- Urinalysis
- Specific gravity
- Urine culture
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3 Guidelines for a Urinalysis
- Examine specimen within 2 hours
- 1st voided specimen of the day
- Can do some of the tests with special reagent strips
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The weight or degree of concentration of a substance compared with an equal volume of water.
Specific gravity
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This test is used when the results of a specific gravity test are in question.
Osmolality test
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This test take approximately 24-48 hours. A broad-sprectrum antibiotic is ordered to determine which antibiotic is the most effective.
Urine Culture
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Normal pH of urine
4.6-8.0
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This type of incontinence in involuntary but somewhat predictable when you reach a certain volume and is common in patients with spinal cord injuries.
Reflex incontinence
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Specific gravity of urine should be between ____ and ____
1.0053 and 1.030
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When collecting a specimen from an indwelling catheter, how many mL should you obtain?
3-5mL
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This test is used to measure levels of adrenocortical steroids or hormones, creatine clearance, or protein quantity.
Timed specimen
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This procedure views the collecting ducts and renal pelvis and outlines the ureters, bladder, and urethra.
IVP
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The procedure determines the bladder muscle function and evaluates the cause of urinaryincontinence.
Urodynamic testing
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Procedure with direct visualization, specimen collection, and/or treatment of interior bladder or urethra.
Endoscopy/Cystoscopy
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This procedure visualizes the renal arteries to detect narrowing or occlusion.
Angiography or Arteriogram
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These drugs supress bladder contrations aand reduce incontinence caused by bladder irritation.
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This medicine treats men with overflow incontinence due to enlarged prostate.
tamsulosin (Flomax)
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Clients with catheters should have a daily intake of ____-____mL
2000-2500mL/day
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