Pseudomonas Aeruginosa: Characteristics and Infections
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Questions and Answers

What is the characteristic facial feature of lepromatous leprosy?

  • Asymmetric facial palsy
  • Facial nerve paralysis
  • Leonine Facies (correct)
  • Bell's palsy
  • What is the duration of response to therapy in lepromatous leprosy?

  • 6-12 months
  • 2-3 months (correct)
  • 4-6 months
  • 1-2 months
  • What is the type of pathogen that Chlamydia pneumoniae is?

  • Obligate intracellular pathogen (correct)
  • Obligate extracellular pathogen
  • Facultative extracellular pathogen
  • Facultative intracellular pathogen
  • What is a common complication of Chlamydia pneumoniae infection in adults?

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

    What is a characteristic of lepromatous leprosy?

    <p>Symmetric peripheral sensory neuropathy</p> Signup and view all the answers

    What is a complication of Chlamydia pneumoniae infection?

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

    What is a characteristic of Chlamydia pneumoniae infection?

    <p>Mild to moderate constitutional symptoms</p> Signup and view all the answers

    What is a common disease that can be triggered by Chlamydia pneumoniae infection?

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

    What is the mode of transmission of Pertussis?

    <p>Close contact via respiratory secretions</p> Signup and view all the answers

    What is the incubation period of Pertussis?

    <p>6-20 days</p> Signup and view all the answers

    What is the name of the toxin produced by Bordetella pertussis?

    <p>Pertussis Toxin</p> Signup and view all the answers

    Which of the following is a complication of Pertussis in infants?

    <p>Cardiac failure</p> Signup and view all the answers

    When is antibiotic treatment most effective for Pertussis?

    <p>During the first 2 weeks of illness</p> Signup and view all the answers

    What is the age group most commonly affected by Pertussis?

    <p>Adolescents and adults</p> Signup and view all the answers

    What is the name of the diagnostic test used to detect Pertussis?

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

    What is a key feature of Pertussis that distinguishes it from other infections?

    <p>No lifelong immunity after infection</p> Signup and view all the answers

    What is the typical presentation of Pseudomonas aeruginosa in wound infections?

    <p>Wound with blue green pus and grape-like odor</p> Signup and view all the answers

    What is the most common cause of nosocomial infections in children with Cystic Fibrosis?

    <p>Pseudomonas aeruginosa</p> Signup and view all the answers

    What is the typical manifestation of Typhoid Fever in endemic areas?

    <p>Persistent fever even in the absence of classic manifestations</p> Signup and view all the answers

    What is the most common antibiotic treatment for Pseudomonas aeruginosa infections?

    <p>Carbenicillin, Ticarcillin, Gentamycin, Tobramycin, Amikacin, and Ceftazidime</p> Signup and view all the answers

    What is the typical complication of Salmonella infection in the 3rd week?

    <p>Intestinal Perforation</p> Signup and view all the answers

    What is the most common site of Pseudomonas aeruginosa colonization?

    <p>Respiratory Tract</p> Signup and view all the answers

    What is the typical laboratory result in Typhoid Fever?

    <p>Leukopenia with Lymphocytosis</p> Signup and view all the answers

    What is the most common nosocomial infection in children with Neoplastic Disease?

    <p>Pseudomonas aeruginosa</p> Signup and view all the answers

    What is the typical diagnosis of Pseudomonas aeruginosa infection?

    <p>Isolation of the organism from Blood, CSF, Urine, or Lung Aspirate</p> Signup and view all the answers

    What is the complication of Pseudomonas aeruginosa infection in the CNS?

    <p>CNS Infection</p> Signup and view all the answers

    Study Notes

    Pseudomonas Aeruginosa

    • Gram-negative rod, strict aerobe
    • Causes nosocomial infections in children with Cystic Fibrosis, Neoplastic Disease, and Extensive Burns
    • Can be community-acquired, causing endocarditis, pneumonia, CNS infection, and chronic mastoiditis
    • Produces endotoxin, Exotoxin A, and Exoenzyme S
    • Important cause of immunocompromised infections

    Clinical Diseases

    • Septic arthritis
    • Pneumonia
    • CNS infection
    • Chronic mastoiditis
    • Osteomyelitis
    • UTI
    • GIT infection
    • Ecthyma gangrenosum (wound with blue-green pus and grape-like odor)

    Diagnosis and Treatment

    • Culture: blood, CSF, urine, lung aspirate
    • Treatment: Carbenicillin, Ticarcillin, Gentamycin, Tobramycin, Amikacin, Ceftazidime

    Chlamydia

    • Obligate intracellular pathogen
    • Species: C. pneumoniae, C. trachomatis
    • Causes lower respiratory tract diseases, including pneumonia in children and bronchitis and pneumonia in adults
    • Primarily a human respiratory pathogen
    • Characterized by mild to moderate constitutional symptoms
    • Can trigger Asthma and cause Otitis Media

    Pertussis (Whooping Cough)

    • Caused by Bordetella pertussis
    • Mode of transmission: close contact via respiratory secretions
    • Highly communicable
    • Incubation period: 6-20 days
    • No lifelong immunity
    • Seen more often in adolescents and adults
    • Complications: bone malformations, neurosyphilis, rhagades, and cardiac → Congestive Heart Failure (CHF)

    Symptoms and Treatment

    • Signs: interstitial keratitis, mulberry molars, and Hutchinson's triad
    • Symptoms: whooping cough, apnea, and cyanosis
    • Treatment: antibiotics, correct hydration and electrolyte imbalance, and antimicrobials for 3 days

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    Description

    This quiz covers the characteristics of Pseudomonas aeruginosa, its infections, and related symptoms in patients with Cystic Fibrosis.

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