Decreased immunity is a symptom of HIV/AIDS. This is caused by which of the following?

Select one:

. HIV destroys antigens. This decreases the possibility of recognizing pathogens in the future.

 HIV attacks the macrophages. Pathogens cannot be destroyed once they enter the body.

 HIV attacks the helper T cells. This allows pathogen cells to enter the body unnoticed.

. HIV destroys memory T cells. If the body is infected again, there is no antibodies to fight an infection

 

 

Which of the following statements about gender development is NOT correct?

Select one:

XX females can develop male sex organs in the presence of testosterone.

The testis-determining factor gene on the Y chromosome stimulates the production of male hormones.

To be genetically male, one X chromosome and one Y chromosome are required.

XY males will develop male sex organs without the presence of androgens..

5 years ago

Answered By Gregory S

HIV attacks the T helper cells.

Men need both XY and input from androgens to develop as men. 

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