Community Acquired Pneumonia Exam Questions And Answers Graded A+

Community Acquired Pneumonia Exam Questions And Answers Graded A+ What is pneumonia? Inflammation of the lung in which fluid fills the alveoli. Bacteria, viruses and fungi are responsible. Physicians distinguish community-acquired pneumonia from nosocomial pneumonia. What will you hear upon auscultation of pneumonic lungs? Rales What bacterial agents cause community-acquired pneumonia? 1) S. pneumoniae 2) Legionella pneumophila 3) Mycoplasma pneumoniae 4) Chlamydophila pneumoniae Is S. pneumoniae normal biota of the upper respiratory tract? Yes. 5-50% of the population are carriers. What type of pneumonia does S. pneumoniae cause? Lobar pneumonia with consolidation Is there a vaccine to protect against S. pneumoniae lower respiratory infection? Yes. Pneumococcal polysaccharide vaccine. What is the morphology of Legionella pneumophila? G- pleomorph (coccus-filaments) that are poorly staining. What is the physiology of L. pneumophila? Obligate aerobes with fastidious nutritional requirements. Require a charcoal yeast-extract medium. Slow growers. What is legionellosis? Legionnaire's disease- early symptoms include dramatic rise in temperature within 24 hours. Nonproductive cough, vomiting and diarrhea may occur. Later, bronchopneumonia that is frequently confluent (may resemble lobar). X-ray will show "moth-eaten" regions where fluid has accumulated. Death (15-20%) is preceded by renal failure, shock and/or respiratory failure. What is Pontiac fever? Much less severe illness characterized by short incubation period (hours), fever, heave, dry cough. No evidence of pneumonia. Self-limiting disease. What does L. pneumoniae parasitize? Amoebae (Acanthamoeba, Naegleria), and occur in biofilms.