#january2020usmle2k
A 22-year-old man visits the clinic for evaluation of fever, headache and dry cough for 7 days. His medical history is unremarkable and he takes no medications. He had no previous similar episodes. On examination, temperature is 101.3 F, pulse is 88/min. and blood pressure is 100/60 mmHg. On auscultation, his lungs are clear bilaterally. X-ray shows diffuse infiltration in the lower lobes of both lungs.
What is the most likely causative organism?
A – Streptococci
B – Mycobacteria
C – Mycoplasma
D – Fungi
E – Rickettsia
A 22-year-old man visits the clinic for evaluation of fever, headache and dry cough for 7 days. His medical history is unremarkable and he takes no medications. He had no previous similar episodes. On examination, temperature is 101.3 F, pulse is 88/min. and blood pressure is 100/60 mmHg. On auscultation, his lungs are clear bilaterally. X-ray shows diffuse infiltration in the lower lobes of both lungs.
What is the most likely causative organism?
A – Streptococci
B – Mycobacteria
C – Mycoplasma
D – Fungi
E – Rickettsia