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Question 3

A 25 years old woman comes to the out patient with few days' history of non productive, hacking cough and headache.
Her vital signs are as the following:
RR: 17 cpm
PR: 85 bpm
Temp: 100.5 F
BP: 120/76
Her physical examination revealed crackles in her lungs bilaterally, and her Chest X Ray is normal.
Below is the slides prepared from her sputum using Giemsa stain

Which of the following organisms is most likely responsible for this woman's signs and symptoms?

a. Chlamydia pneumoniae
b. Chlamydia trachomatis
c. Mycoplasma pneumoniae
d. Nocardia asteroides
e. Streptococcus pneumoniae

The answer is: a

Atypical pneumonia. This illness is characterized by dry, hacking cough, fever, and headache. The X ray film of chest may be normal or show patches or streaks of infiltrate.
A Giemsa stained smear shows cytoplasmic inclusions.