Biology Topic Practice

HIV and AIDS Explained

HIV (Human Immunodeficiency Virus) is a virus that attacks the body's immune cells.

What is the late stage of HIV infection called?

What is HIV and AIDS Explained?

"HIV is a virus that damages the cells in your immune system and weakens your ability to fight everyday infections and disease."

Question 1

Why can HIV become life-threatening if it is not controlled?

Question 2

Which combination gives recognised routes of HIV transmission?

Question 3

Select why can HIV become life-threatening if it is not controlled?

HIV Progression

Initially causes a flu-like illness.

Unless controlled with antiretroviral drugs, the virus attacks immune cells.

AIDS occurs when the immune system is too damaged to cope with other infections.

Exam Tip

HIV is spread by sexual contact or exchange of body fluids such as blood which occurs when drug users share needles.

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