NBCE Part I Practice Test 5

10 free NBCE Part I practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

NBCE Part I Practice Test 5Tutor mode

Question 1 of 10

Microbiology

A patient with Escherichia coli bacteremia develops fever, hypotension and disseminated intravascular coagulation as lysing bacteria release cell-envelope fragments that stimulate macrophages to secrete TNF and IL-1. Which component chiefly triggers this response?