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BIO NMDCAT Sexually transmitted diseases
nmdcat.online July 16, 2026

Among the following statements concerning sexually transmitted diseases, the one that correctly distinguishes Neisseria gonorrhoeae from Treponema pallidum is that Neisseria gonorrhoeae:

A. Causes systemic neurological disease decades later
B. Primarily infects mucosal surfaces and causes purulent exudate
✓
C. Is a spiral-shaped bacterium
D. Cannot be cultivated on artificial laboratory media

📝 Explanation

The correct option is Primarily infects mucosal surfaces and causes purulent exudate. N. gonorrhoeae initiates localized purulent mucosal infections. T. pallidum is a spirochete, causes systemic disease (including late neurological symptoms), and cannot be grown on standard artificial media.

📖 Additional Information

  • Causes systemic neurological disease decades later
  • Primarily infects mucosal surfaces and causes purulent exudate
  • Is a spiral-shaped bacterium
  • Cannot be cultivated on artificial laboratory media

The correct option is Primarily infects mucosal surfaces and causes purulent exudate. N. gonorrhoeae initiates localized purulent mucosal infections. T. pallidum is a spirochete, causes systemic disease (including late neurological symptoms), and cannot be grown on standard artificial media.

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