OBJECTIVE LIFE SCIENCE
SIGNALLING IMMUNOLOGY CANCER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It makes our immune system more stronger
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It attacks red blood cells
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It attacks our brain to stop working
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It attacks our Helper T cells and weakens our immune system to the point where our body cannot fight pathogens
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Detailed explanation-1: -HIV infects white blood cells of your immune system called CD4 cells, or helper T cells. It destroys CD4 cells, causing your white blood cell count to drop. This leaves you with an immune system that can’t fight off infections, even those that wouldn’t normally make you sick.
Detailed explanation-2: -HIV attacks a specific type of immune system cell in the body. It’s known as the CD4 helper cell or T cell. When HIV destroys this cell, it becomes harder for the body to fight off other infections. When HIV is left untreated, even a minor infection such as a cold can be much more severe.
Detailed explanation-3: -HIV stands for human immunodeficiency virus. It weakens a person’s immune system by destroying important cells that fight disease and infection. There is currently no effective cure for HIV. But with proper medical care, HIV can be controlled.
Detailed explanation-4: -This is because HIV hides from the body’s immune system in a group of immune cells called CD4 lymphocytes, also known as the HIV reservoir. While HIV is latent in the reservoir, meaning it doesn’t replicate, it can wake up, causing viral load to increase and making a cure elusive.