Community Acquired Pneumonia Exam
Questions And Answers |Latest 2025 |
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What general categories can increase the likelihood of CAP? - Answer✔decreased mucociliary
transport
decreased host immune response
decreased cough reflex (aspiration risk)
List factors that decrease mucociliary transport. - Answer✔smoking
COPD
CF
viral infection
elderly
List factors that decrease host immune response. - Answer✔ethanol abuse viral infection
elderly hypoxemia
DM, AIDS, cancer pulmonary edema
malnutrition bacterial endotoxin
immunosuppressants
List factors that increase G- colonization. - Answer✔malnutrition
chronic ilness
elderly/nursing home resident
surgery or prolonged hospitalization
smoking
antacids, H2 blockers, PPIs
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List factors that decrease cough reflex and thereby increase aspiration risk. - Answer✔ethanol
intoxication
stroke
general anesthesia
drugs that impair mental status
Explain the classic presentation of pneumococcal pneumonia. - Answer✔follows respiratory
viral illness
abrupt onset of severe chill
high fever
chest pain
productive cough
T/F: the classic presentation of CAP is seen in all age groups. - Answer✔False
young or middle aged
[elderly have mental status changes instead]
List lab test findings for CAP. - Answer✔increased WBC w/ left shift (15-40,000)
CXR inflitrates
decreased PO2 on ABG
blood cultures of pneumonia causing bacteria
+- sputum culture and gram stain
Why is a sputum culture not always helpful in diagnosis of CAP? - Answer✔often contaminated
by natural flora of the mouth
List some bacteria that commonly cause CAP. - Answer✔strep pneumo (pneumococcal
pneumonia) - G+ diplococci
staph - G+ cocci in clusters
h. flu - small G- coccobacilli
klebsiella - short plump G- bacilli
mycoplasma - unremarkable
anaerobic - foul smelling, polymicrobial
How would mycoplasma CAP present? - Answer✔"walking pneumonia"
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