Community-Acquired Pneumonia Symptoms Quiz
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Questions and Answers

Which of the following is a common etiology of community-acquired pneumonia?

  • Herpes simplex virus
  • Influenza virus (correct)
  • Clostridium difficile bacteria
  • Salmonella bacteria
  • What is a typical setting where healthcare-associated pneumonia is often encountered?

  • Schools
  • Hospitals (correct)
  • Public parks
  • Workplaces
  • Which laboratory test is commonly used in the diagnosis of community-acquired pneumonia?

  • Complete blood count (CBC) (correct)
  • Thyroid function test
  • Electrolyte panel
  • Blood glucose level
  • What is the main clinical presentation associated with viral pneumonia?

    <p>Chest congestion</p> Signup and view all the answers

    Which of the following is considered an atypical pneumonia?

    <p>Mycoplasma pneumoniae</p> Signup and view all the answers

    What is the general treatment strategy for pneumonia?

    <p>Antibiotics and supportive care</p> Signup and view all the answers

    What is the most common cause of typical community-acquired pneumonia?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    In typical community-acquired pneumonia, what is the most common mechanism of infection?

    <p>Aspiration of oropharyngeal contents</p> Signup and view all the answers

    What is a characteristic feature of Gram stain in typical community-acquired pneumonia?

    <p>Gram-positive lancet-shaped diplococci</p> Signup and view all the answers

    Which lung lobes are most commonly involved in typical community-acquired pneumonia?

    <p>Lower lobes and right middle lobe</p> Signup and view all the answers

    What characteristic feature does Streptococcus pneumoniae exhibit in Gram stain?

    <p>Short chains of cocci</p> Signup and view all the answers

    What is the term used to describe the filling of alveoli with inflammatory exudate in pneumonia?

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

    Which symptom is particularly common in elderly patients with community-acquired pneumonia?

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

    What is a common physical exam sign of consolidation seen in community-acquired pneumonia?

    <p>Increased vocal tactile fremitus</p> Signup and view all the answers

    What type of lung imaging demonstration may be required for the diagnosis of community-acquired pneumonia?

    <p>Computed tomogram</p> Signup and view all the answers

    What laboratory finding is commonly observed in patients with community-acquired pneumonia?

    <p>Positive Gram stain from blood sample</p> Signup and view all the answers

    What is a characteristic symptom that distinguishes community-acquired pneumonia from other respiratory illnesses?

    <p>Sudden onset of high fever with productive cough</p> Signup and view all the answers

    What is the significance of neutrophilic leukocytosis with a left shift in the context of community-acquired pneumonia?

    <p>Points towards bacterial infection</p> Signup and view all the answers

    Which viral infection is characterized by hemagglutinin and neuraminidase proteins as major virulence factors?

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

    What percentage of pediatric hospitalizations is attributed to Human Metapneumovirus infections?

    <p>5-10%</p> Signup and view all the answers

    Which virus binds to the ACE2 protein in lower respiratory cells?

    <p>SARS-CoV-2</p> Signup and view all the answers

    Which influenza virus type is a major cause of pandemic and epidemic infections?

    <p>Type A</p> Signup and view all the answers

    Which viral pneumonia is most common in young children, elderly adults, and immunocompromised patients?

    <p>Human Metapneumovirus</p> Signup and view all the answers

    Which virus can lead to acute lung injury and ARDS through the host immune response and cytokine release?

    <p>SARS-CoV-2</p> Signup and view all the answers

    What is the most common manifestation of Coccidioides immitus infection?

    <p>Lung involvement</p> Signup and view all the answers

    How does Coccidioides immitus evade intracellular killing?

    <p>By blocking phagosome-lysosome fusion</p> Signup and view all the answers

    What is the hallmark feature of Pneumocystis jiroveci pneumonia in immunocompromised patients?

    <p>T lymphocyte CD4 count &lt; 200/mm3</p> Signup and view all the answers

    Which region is endemic for Coccidioides immitus?

    <p>Southwest US and Mexico</p> Signup and view all the answers

    How is Pneumocystis jiroveci pneumonia typically diagnosed?

    <p>Bronchoalveolar lavage</p> Signup and view all the answers

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