MCQs

He refers back to Ali, making it anaphoric rather than cataphoric.

The it has no antecedent; it is a grammatical subject.

Writers often introduce a pronoun before revealing its referent for emphasis.

Anaphora points backward to an already mentioned noun.

Such introduces information that is fully explained afterward, a cataphoric pattern.

It refers back to storm.

They refers forward to the athletes.

They refers back to my cousins.

This introduces information that follows, making it cataphoric.

These refers back to assignments.

It refers forward to the camera.

It refers back to laptop.

She appears before Sara, so it refers forward.

He refers back to Ali, making it an anaphoric reference.

The correct option is Screening for HIV and Syphilis in any patient diagnosed with Gonorrhea or Herpes. Because the risk behaviors overlap and conditions like genital ulcers (herpes/syphilis) drastically increase the acquisition risk of other infections like HIV, simultaneous screening is a critical medical protocol.

The correct option is IgA. IgA is the principal antibody class protecting mucosal surfaces. N. gonorrhoeae secretes IgA1 protease, which cleaves the antibody, neutralizing the host's localized mucosal immune defense and allowing colonization.

The correct option is Initial attachment and colonization of mucosal epithelia. The experiment directly links the presence of fimbriae with pathogenicity. Fimbriae are virulence factors required to firmly adhere to the host mucosal cells, preventing the bacteria from being washed away.

The correct option is Syphilis and HIV. Both Treponema pallidum (bacterial) and HIV (viral) can cross the placenta to infect the fetus. Gonorrhea generally infects during birth, and Herpes is predominantly acquired during birth rather than transplacentally.

The correct option is The vasa vasorum supplying the thoracic aorta. Cardiovascular syphilis specifically targets the vasa vasorum (the small blood vessels supplying the aortic wall). This causes ischemia and weakening of the aortic wall, leading to dilation and life-threatening aneurysms.