Introduction to CNS Infections Quiz
36 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the empirical treatment for a brain abscess?

  • Ceftriaxone + Clindamycin (correct)
  • Ceftazidime + Meropenem
  • Ampicillin + Gentamicin
  • Vancomycin + Metronidazole
  • Which pathogen is commonly associated with brain abscesses originating from dental infections?

  • Streptococcus spp
  • Bacteroides spp (correct)
  • Escherichia coli
  • Klebsiella spp
  • What is the main complication seen in brain abscess cases that are close to the ventricles?

  • Edema
  • Hydrocephalus
  • Rupture into the ventricular system (correct)
  • Meningitis
  • Which antibiotic combination is recommended for penetrating head trauma cases?

    <p>Ceftazidime + Vancomycin</p> Signup and view all the answers

    Tachyzoites presence on microscopy is consistent with what condition?

    <p>Toxoplasmosis</p> Signup and view all the answers

    What is the median survival period for patients with untreated Cryptococcal Meningitis?

    <p>9 months</p> Signup and view all the answers

    Which bacterial species is often responsible for nosocomial infections causing brain abscesses?

    <p>Proteus spp</p> Signup and view all the answers

    What is the course duration for subacute meningitis?

    <p>1-2 weeks</p> Signup and view all the answers

    Which sign is commonly associated with meningismus?

    <p>Positive Kernig's sign</p> Signup and view all the answers

    What is the approximate mortality rate for acute bacterial meningitis despite optimal treatment?

    <p>15-20%</p> Signup and view all the answers

    Which condition is characterized by the presence of tachyzoites on microscopy?

    <p>Toxoplasmosis</p> Signup and view all the answers

    What is the primary complication of brain abscess cases located near the ventricles?

    <p>Hydrocephalus</p> Signup and view all the answers

    In which part of the brain is the pre & postcentral gyrus located?

    <p>Frontal lobe</p> Signup and view all the answers

    Which antibiotic regimen is recommended for immunocompetent children over 3 months and adults under 55 years of age with bacterial meningitis?

    <p>Cefotaxime + Vancomycin</p> Signup and view all the answers

    What antibiotic combination is suggested for adults over 55 years or those with alcoholism or debilitating illnesses who have bacterial meningitis?

    <p>Ampicillin + Cefotaxime</p> Signup and view all the answers

    Which antibiotic regimen is generally used for hospital-acquired meningitis, post-traumatic meningitis, or in patients with impaired immunity?

    <p>Meropenem + Vancomycin</p> Signup and view all the answers

    What is the recommended steroid therapy for patients with fulminant bacterial meningitis?

    <p>4 milligrams IV every 6 hours for 3-4 days</p> Signup and view all the answers

    What is the approximate mortality rate associated with Listeria infections causing bacterial meningitis?

    <p>15%</p> Signup and view all the answers

    What is the most common route for Mycobacterium tuberculosis to reach the brain in Tuberculous Meningitis?

    <p>Hematogenous spread</p> Signup and view all the answers

    Which of the following areas of the brain does Tuberculous Meningitis have a predilection for?

    <p>Basal cisterns</p> Signup and view all the answers

    Which diagnostic test is considered the gold standard for confirming Tuberculous Meningitis?

    <p>AFB culture</p> Signup and view all the answers

    What is the usual range of white blood cells found in the cerebrospinal fluid (CSF) of patients with Tuberculous Meningitis?

    <p>10-50 cells/uL; lymphocytic predominance</p> Signup and view all the answers

    Which factor is NOT considered a risk factor for Tuberculous Meningitis?

    <p>Diabetes mellitus</p> Signup and view all the answers

    What is the mortality rate range among adults with Tuberculous Meningitis?

    <p>20-57%</p> Signup and view all the answers

    What is the characteristic appearance of Toxoplasmosis on imaging?

    <p>Crater-like enhancement</p> Signup and view all the answers

    Which of the following is NOT a classic manifestation of brain abscess?

    <p>Nausea</p> Signup and view all the answers

    What is the diagnostic significance of elevated opening pressure in Toxoplasmosis CSF picture?

    <p>Associated with Toxoplasmosis</p> Signup and view all the answers

    Which medication is prescribed for presumptive treatment in Toxoplasmosis?

    <p>Sulfadiazine</p> Signup and view all the answers

    What is the duration of treatment for Toxoplasmosis with Sulfadiazine and Pyrimethamine combination?

    <p>6 weeks</p> Signup and view all the answers

    In low resource regions, what is the alternative medication to Sulfadiazine and Pyrimethamine for treating Toxoplasmosis?

    <p>SMX/TMP</p> Signup and view all the answers

    What is the recommended treatment for Cryptococcal Meningitis induction in HIV-infected individuals?

    <p>AmBd 0.7-1.0 mg/kg/d for 4-6 weeks</p> Signup and view all the answers

    What is the most common opportunistic CNS infection for patients with a CD4 count of <100 uL?

    <p>Toxoplasmosis</p> Signup and view all the answers

    What is the median survival with ART treatment for patients with Cryptococcal Meningitis?

    <p>15 months</p> Signup and view all the answers

    In Cryptococcal Meningitis, what CSF drainage method is suggested to continuously flow and avoid increased ICP and headaches?

    <p>Use of lumbar drain</p> Signup and view all the answers

    How is Toxoplasmosis usually transmitted to humans?

    <p>Contaminated food or water</p> Signup and view all the answers

    What clinical manifestation is commonly associated with Toxoplasmosis affecting the temporal lobe?

    <p>Seizures</p> Signup and view all the answers

    More Like This

    Bacterial CNS Infections Quiz
    38 questions
    CNS Viral Infections Overview
    37 questions
    Use Quizgecko on...
    Browser
    Browser