Multiple Choice
A 67-year-old homeless man is brought to the emergency department after being found behind a neighborhood bar in freezing weather.On arrival,he has a shaking chill,fever,and cough productive of blood-tinged sputum.A chest radiograph shows lobar consolidations consistent with bacterial pneumonia.Blood cultures are positive for Streptococcus pneumoniae.Which of the following molecular patterns recognized by Toll-like receptors expressed on the surface of this patient's phagocytes is important for activating his innate immune system against this gram-positive bacterial infection?
A) Peptidoglycan
B) Double-stranded RNA
C) Lipopolysaccharide (LPS)
D) Lipoarabinomannan
E) Phosphatidylinositol dimannoside
Correct Answer:
Verified
Correct Answer:
Verified
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Q4: Which one of the following statements about
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Q7: Which of the following is a receptor
Q9: Which of the following comparisons of the
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Q11: The signaling pathways triggered by Toll-like
Q12: All of the following molecules are opsonins
Q13: Which of the following is an