Urinary Tract Infections Overview
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Questions and Answers

Which of the following statements about urinary tract infections (UTIs) is correct?

  • Females have a shorter urethra, increasing their risk of UTIs. (correct)
  • Upper UTIs consist of urethritis and cystitis.
  • UTIs are caused by viruses that ascend into the bladder from the urethra.
  • Males have a higher risk of developing UTIs compared to females.

Which of the following is NOT considered a lower urinary tract infection?

  • Urethritis
  • Pyelonephritis (correct)
  • Prostatitis
  • Cystitis

Which of the following factors increases the risk of UTIs in males?

  • Use of diaphragm as a contraceptive method
  • Lack of prostatic hyperplasia
  • Uncircumcised status or prostatic hyperplasia (correct)
  • Circumcision

Which of the following statements about complicated UTIs is correct?

<p>UTIs in immunocompromised patients are considered complicated. (C)</p> Signup and view all the answers

What is the primary reason females have a greater risk of UTIs compared to males?

<p>Females have a shorter urethra (A)</p> Signup and view all the answers

Which of the following types of UTIs is considered an upper UTI?

<p>Pyelonephritis (B)</p> Signup and view all the answers

Which of the following is the most common pathogen that causes UTIs?

<p>E.Coli (C)</p> Signup and view all the answers

What is the most common pathogen that causes treatment failure UTIs, recurrent UTIs?

<p>S. saprophyticus (C)</p> Signup and view all the answers

What is the gold standard for diagnosing acute cystitis to determine the causative organism?

<p>Culture (A)</p> Signup and view all the answers

Which urinary symptom is NOT commonly associated with acute cystitis?

<p>frothy vaginal discharge (D)</p> Signup and view all the answers

What is the diagnostic threshold for a complicated case of acute cystitis in terms of colony-forming units per milliliter (CFU/mL) on culture?

<p>More than 100,000 CFU/mL (D)</p> Signup and view all the answers

In recurrent urinary tract infections (UTIs), how many symptomatic episodes more than 2 weeks apart in one year classify as recurrent?

<p>2-4 episodes (B)</p> Signup and view all the answers

When should asymptomatic bacteriuria be treated according to the information provided?

<p>If the patient is post renal transplant (D)</p> Signup and view all the answers

What is a positive finding that suggest Acute cystitis on a UA

<p>nitrites (B)</p> Signup and view all the answers

Which of the following symptoms differentiates pyelonephritis from a common UTI?

<p>Fever and CVA tenderness (D)</p> Signup and view all the answers

In pyelonephritis, what key diagnostic finding can be observed on a urine microscopy?

<p>White blood cell casts (C)</p> Signup and view all the answers

What is a potential complication of untreated pyelonephritis involving the kidneys?

<p>Renal abscess (B)</p> Signup and view all the answers

Which of the following symptoms in an elderly patient with UTI should raise suspicion for pyelonephritis?

<p>Altered mental status (A)</p> Signup and view all the answers

Where should you send a very ill appearing patient with persistent fevers, unstable vitals, and the inability to tolerate oral fluids, who has a suspected UTI or pyelonephritis?

<p>Emergency room (D)</p> Signup and view all the answers

What is the preferred first-line treatment for uncomplicated cystitis in pregnant women?

<p>Nitrofurantoin (100 mg twice a day for 5 days) (D)</p> Signup and view all the answers

What is the recommended treatment for uncomplicated cystitis in patients with a nitrofurantoin allergy?

<p>Bactrim (1 double strength dose twice a day for 3 days) OR Fosfomycin (3 grams single dose) (D)</p> Signup and view all the answers

Which of the following is a contraindication for the use of Bactrim in the treatment of UTIs?

<p>Sulfa allergy (C)</p> Signup and view all the answers

What is the recommended initial empiric treatment for outpatient acute pyelonephritis?

<p>A single dose of ceftriaxone (1 g IV), Ciprofloxacin (400 mg IV), or Gentamicin (5mg/kg IV) followed by either ciprofloxacin, levofloxacin, or Bactrim (A)</p> Signup and view all the answers

Which of the following is NOT a recommended option for pharmaceutical UTI treatment in pregnant patients?

<p>Tetracyclines (D)</p> Signup and view all the answers

Which of the following is NOT considered a prophylactic treatment option for recurrent UTIs?

<p>Phenazopyridine (D)</p> Signup and view all the answers

How long can phenazopyridine (AZO/Pyridium) be used when taken with an antibiotic for a UTI?

<p>2 days (A)</p> Signup and view all the answers

What is the recommended inpatient treatment for acute pyelonephritis, that is then followed by either ciprofloxacin (twice a day for 7 days), levofloxacin (once a day for 5 days), or Bactrim (twice a day for 14 days)?

<p>All of the above (D)</p> Signup and view all the answers

What is the recommendation regarding UTI screening in catheterized patients?

<p>UTI screening is not recommended because it does not change outcomes (A)</p> Signup and view all the answers

Which antibiotic should be used as the first-line treatment for uncomplicated cystitis?

<p>Nitrofurantoin (100 mg twice a day for 5 days) (A)</p> Signup and view all the answers

If a patient has a nitrofurantoin allergy, what is the recommended treatment for uncomplicated cystitis?

<p>Bactrim (1 double strength dose twice a day for 3 days) or Fosfomycin (3 grams single dose) (D)</p> Signup and view all the answers

Which antibiotic should be avoided in patients with a history of Clostridium difficile (C. diff) infection?

<p>Fosfomycin (D)</p> Signup and view all the answers

Which of the following is a potential side effect of Bactrim that patients should be cautioned about?

<p>Avoid direct sunlight (D)</p> Signup and view all the answers

What is the recommended duration of treatment for UTIs in men?

<p>14 days (B)</p> Signup and view all the answers

What is the 3rd most common urinary tract disorder?

<p>Nephrolithiasis (D)</p> Signup and view all the answers

Which type of stones are found in women with recurrent UTIs caused by certain bacteria?

<p>Struvite stones (A)</p> Signup and view all the answers

What is the most common type of stone associated with kidney stones?

<p>Calcium oxalate (C)</p> Signup and view all the answers

Which stones present as hexagonal crystals on urine microscopy?

<p>Cystine calculi (A)</p> Signup and view all the answers

What is the treatment focus for uric acid calculi?

<p>Alkalinizing the urine (C)</p> Signup and view all the answers

Which stone type must be treated with percutaneous nephrolithotomy?

<p>Struvite calculi (C)</p> Signup and view all the answers

What is the best diagnostic test for kidney stones according to the text?

<p>CT scan (B)</p> Signup and view all the answers

Which of the following is NOT a risk factor for developing nephrolithiasis (kidney stones)?

<p>Obesity (A)</p> Signup and view all the answers

What is the recommended initial treatment for a patient presenting with a kidney stone less than 5 mm in size?

<p>Pain control and hydration (C)</p> Signup and view all the answers

What is the most appropriate diagnostic test for suspected kidney stones?

<p>Non-contrast computed tomography (CT) scan (A)</p> Signup and view all the answers

What is the recommended treatment for a patient with a kidney stone who presents with a fever?

<p>Percutaneous nephrostomy stent (D)</p> Signup and view all the answers

Which of the following drugs is associated with an increased risk of kidney stone formation?

<p>Acyclovir (B)</p> Signup and view all the answers

What is the most common underlying cause of hypercalciuria (high levels of calcium in the urine) leading to kidney stones?

<p>Renal tubular dysfunction (A)</p> Signup and view all the answers

Which type of kidney stone is associated with an increased acidity, or pH less than 5.5, in the urine?

<p>Uric acid calculi (B)</p> Signup and view all the answers

What is the recommended initial treatment for a patient presenting with a kidney stone less than 5 mm in size?

<p>Medical expulsion therapy (D)</p> Signup and view all the answers

What is the recommended treatment for a patient with a kidney stone who presents with a fever?

<p>Percutaneous nephrostomy stent (D)</p> Signup and view all the answers

What type of kidney stones are associated with a staghorn appearance, resembling the casting of the renal collecting system?

<p>Struvite calculi (C)</p> Signup and view all the answers

What appears as a "dumbbell and bipyramidally" shaped crystals on urine microscopy

<p>calcium oxalate (B)</p> Signup and view all the answers

What present as pleomorphic crystals with rhombic plates or rosettes on urine microscopy?

<p>Uric acid calculi (B)</p> Signup and view all the answers

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