chapter 36 for cathey exam 1
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Questions and Answers

What is the main function of the urinary system?

  • Production of erythropoietin
  • Regulation of electrolyte balance
  • Regulation of blood pressure
  • Removal of toxic waste. Regulation of blood volume, pressure, and composition Regulation of the acid-base balance of the blood Regulation of Electrolyte Balance Production of erythropoietin Activation of vitamin D 2 (correct)
  • What is the function of the ureters

  • Eliminates waste products from the body
  • Reservoir for urine
  • Carry Urine from Kidneys to Bladder – Narrow point where each ureter joins the renal pelvis is the uretropelvic junction (UPJ) – Point where each ureter inserts in the side of the bladder base is the ureterovesical junction (UVJ) (correct)
  • Point where each ureter inserts in the side of the bladder base
  • What controls voiding in the urethra? and its functions

  • Afferent arteriole
  • Carry urine from bladder to outside of body • Controls voiding via internal and external sphincters Length • Female: 1-2 inches • Male: 8-10 inches (correct)
  • Renal vein
  • Internal sphincter
  • what is the elctrolyte balance

    <p>blood k level rises--aldosterone released from adrenal cortex---aldosterone targets kidneys--k release falls---blood na/K levels normalize</p> Signup and view all the answers

    Which part of the urinary system serves as a reservoir for urine?

    <p>Urinary bladder-----Eliminates waste products from the body</p> Signup and view all the answers

    Where is the urethral meatus positioned in hypospadias?

    <p>Congenital malformation of male urethra • Hypospadias- urethral meatus is abnormally positioned somewhere on the ventral (underside) surface of penis • Epispadias- urethral meatus is positioned on dorsal surface/top of penis</p> Signup and view all the answers

    In epispadias, where is the urethral meatus located?

    <p>On the dorsal surface of the penis</p> Signup and view all the answers

    What is the normal range for glomerular filtration rate (GFR)?

    <p>125mL/minute and egfr is 60ml/min1.73 m2</p> Signup and view all the answers

    Which of the following substances normally filters into urine during glomerular filtration?

    <p>potassium, hydrogen ions (H+), ammonia</p> Signup and view all the answers

    What is the specific gravity range considered normal in urinalysis?

    <p>1.005 to 1.030</p> Signup and view all the answers

    What does not cross into tubules in normal GFR

    <p>blood cells, platelets, protein</p> Signup and view all the answers

    In a clean catch specimen for urinalysis, what is the correct procedure after initially voiding in the toilet?

    <p>Void into a sterile cup immediately after initial voiding..........Urinalysis – Common Test – Voided or Sterile Catheter Specimen – Clean Catch Specimen – clean urethral area, void small amount in toilet, then void in sterile cup</p> Signup and view all the answers

    What is reabsorbed into the blood during normal GFR

    <p>• Water • Sodium • Chloride • Calcium • Bicarb (HCO3)</p> Signup and view all the answers

    Lab tests of urinalysis

    <p>color-• Pale yellow • Dark Amber • Brown/green • Orange • Red/pink • Smoky Clarity • Clear • Cloudy Specific Gravity • 1.005 to 1.03..... pH 4.5 to 8.0 ..........Protein0-8 mg/dL • 24 hour: 30-150 mg/dL......... Glucose None ........Ketones None .........Bilirubin None ........Nitrites None ........Leukocytes None......... Red Blood Cells less than 5.....White Blood Cells less than 5.......... Casts None to rare</p> Signup and view all the answers

    What is considered a normal specific gravity range in urinalysis?

    <p>1.005 to 1.03</p> Signup and view all the answers

    What is the culture and sensitivity test

    <p>Identifies – number of bacteria or yeast in urine – Causative organism of urinary tract infection – Most effective medication use • Normal Value – Negative: None. – Positive: 100,000 or more/mL of urine................must collect before antibiotics</p> Signup and view all the answers

    What are renal function test

    <p>Renal Function Tests – Serum Creatinine- 0.6-1.2 – Blood Urea Nitrogen (BUN)- 10-20 – Creatinine Clearance Test- 85-135 (24-hour urine) – Estimated Glomerular Filtration Rate (eGFR)- &gt;60</p> Signup and view all the answers

    What is a potential cause of contrast-induced nephropathy?

    <p>Caused by IV or oral contrast dye for CT or MRI Nephrotoxic Causes contrast-induced nephropathy Decline in renal function as shown by a rise in serum creatinine Risk Factors: • azotemia, • diabetes mellitus associated renal impairment</p> Signup and view all the answers

    What is the purpose of an Intravenous Pyelogram (IVP) in radiologic studies?

    <p>Intravenous Contrast Media Injected – Contrast Media Outlines Renal Structures – Check Allergies – Monitor creatinine level – Hydration Before and After</p> Signup and view all the answers

    What are pediatric considerations

    <p>Incontinence – Diapers • Potty training – Ineffective control • Hygiene – Improper wiping • Irritants- bubble bath, baby powder, etc.</p> Signup and view all the answers

    What does a Kidneys-Ureter-Bladder (KUB) X-ray primarily show in pediatric radiologic studies?

    <p>Kidneys-Ureter-Bladder (KUB) XR • Will show: – Tumors – Swollen Kidneys – Kidney Stones</p> Signup and view all the answers

    What are renal diagnostic test

    <p>Cystoscopy – Endoscopy through urethra to visualize bladder and/or collect specimens • Renal US • Renal biopsy – Pre/Post-op care same as any minor procedure</p> Signup and view all the answers

    What type of urinary incontinence is characterized by involuntary urine loss with abrupt/strong desire to void?

    <p>Urge incontinence-----Involuntary Urine Loss with Abrupt/Strong Desire to Void – Most common in older adults – Can’t make it to the bathroom in time------------------------------------------------------Stress Incontinence – Involuntary Urine Loss from Increasing Abdominal Pressure – Occurs after sneezing, laughing, coughing – Most common in women after childbirth</p> Signup and view all the answers

    Which type of urinary incontinence is linked to impairment of physical or mental function rather than a problem with the urinary system itself?

    <p>Functional incontinence------From Impairment of Physical/Mental Function</p> Signup and view all the answers

    What type of urinary incontinence involves involuntary loss of urine associated with bladder overdistention?

    <p>Overflow incontinence------------Involuntary Loss of Urine Associated with Bladder Overdistention • Usually associated with urinary retention r/t SCI or enlarged prostate • “Dribbling</p> Signup and view all the answers

    Which condition is characterized by continuous, unpredictable loss of urine?

    <p>Total incontinence---------Continuous, Unpredictable Loss of Urine</p> Signup and view all the answers

    What is the common symptom associated with urinary retention regarding bladder distention?

    <p>Suprapubic tenderness</p> Signup and view all the answers

    Urinary retention UOP

    <p>oliguria and anuria</p> Signup and view all the answers

    Baldder distension in urinary retention

    <p>palpable over suprapubic firm</p> Signup and view all the answers

    What is the primary use of bladder scan

    <p>normal residual volume is 50mL, residual volume of 150 to 200mL urine indicates need for further treatment</p> Signup and view all the answers

    What is treatment for urinary retention

    <p>treatment is generally urinary catheterization that can be temporary or long term------------------------------------------------URINARY CATHETER S • Indwelling (Foley) – Needs justification for insertion and removal as soon as medically able – CAUTI protocol to prevent UTI – Sterile insertion – if not done correctly bacteria is introduced and will cause UTI in patient – Incontinence is NOT a reason for an indwelling catheter</p> Signup and view all the answers

    What is a never event for catheter associated urinary tract infections (CAUTI)

    <p>Guidelines for Care of the patient with an indwelling urinary catheter – Maintain a closed system – Secure the catheter with tape or fastener – Encourage fluid consumption – Use aseptic technique when emptying collection bag – Wash perineum with soap and water daily and after BM – Keep tubing coiled on the bed and positioned for free flow of urine – Do not clamp catheters – Remove indwelling catheters as soon as possible</p> Signup and view all the answers

    What is the recommended frequency for performing intermittent catheterization?

    <p>Every 3 hours</p> Signup and view all the answers

    More info about urinary catheters

    <p>Intermittent catheterization – Best for pt who is unable to void r/t retention (BPH) or neurological condition (SCI) – Usually performed every 3 hours – Pts can be taught to self-catheterize at home</p> Signup and view all the answers

    More urnary catheters

    <p>uprapubic catheter – Inserted ONLY by physician – If pulled out, short time frame for MD to reinsert 37</p> Signup and view all the answers

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