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

Which of the following is considered an atypical pneumonia?

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

What is the general treatment strategy for pneumonia?

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

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

<p>Streptococcus pneumoniae (D)</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 (C)</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 (B)</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 (C)</p> Signup and view all the answers

What characteristic feature does Streptococcus pneumoniae exhibit in Gram stain?

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

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

<p>Confusion (C)</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 (B)</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 (C)</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 (B)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

<p>Human Metapneumovirus (B)</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 (C)</p> Signup and view all the answers

What is the most common manifestation of Coccidioides immitus infection?

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

How does Coccidioides immitus evade intracellular killing?

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

Which region is endemic for Coccidioides immitus?

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

How is Pneumocystis jiroveci pneumonia typically diagnosed?

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

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