nbme 17 - usmle_step_123

[ArchivalUser]

2) 15y/o girl emigrant from india, several lesions on her neck for 2 weeks. PE hypopigmented, hypoesthetic area over left side of forehead and 4cm lesions on neck. Biopsy specimen shows acid-fast bacilli. Which of the following explains why the organism results in dermal rather than in visceral infectins?
a) CO2 requirement
b) innate antibacterial compounds
c) lipid content
d) oxygen tolerance [wrong]
e) temperature sensitivity

[ArchivalUser]

why is answer temp sens

[ArchivalUser]

skin is cooler than viscera....??

leprosy likes cool climate

[ArchivalUser]

e----

[ArchivalUser]

E

for armadillo....