Sawaal
1
Q:

The HIV virus weakens the immunity of a person because it destroys

A) mast cells B) platelets
C) erythrocytes D) lymphocytes

Answer:   D) lymphocytes



Explanation:

The    HIV    virus    continuously    invades    and destroys  T-cells  (lymphocytes).  Eventually  the body can't replace the T-cells fast enough, and the  immune  system  deteriorates.  When  the immune  system has deteriorated to the point that it is unable to fight off diseases, a person is diagnosed with AIDS.

Subject: General Science
Exam Prep: Bank Exams
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