Notice the dotted line for a CD4 count of 200. Why is that level important? AThis is the point at which ART should begin. BCD4s of 200 represent the point at which HIV will begin to generate resistance mutations. CWhen CD4s reach 200, a person is at great risk of disease from opportunistic infections, including ones that hardly ever cause disease in people with normal CD4s. Pattern of CD4 count after HIV infectionHIV infectionHIV treatment15006002002- 10 yearsafter HIVinfection CD4count drops abit and thenCD4 count then dropsquickly in a fewpeople, but mostpeople take 4-7 yearsto drop down to 200after treatment,your CD4 countshould riseagain to higherlevelsrecoversCD4 count

HIV and CD4 Count HIV - human immunodeficiency virus causes Acquired immune deficiency syndrome…

Answered: Notice the dotted line for a CD4 count…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Notice the dotted line for a CD4 count of 200. Why is that level important?

	A	This is the point at which ART should begin.
	B	CD4s of 200 represent the point at which HIV will begin to generate resistance mutations.
	C	When CD4s reach 200, a person is at great risk of disease from opportunistic infections, including ones that hardly ever cause disease in people with normal CD4s.

Pattern of CD4 count after HIV infection
HIV infection
HIV treatment
1500
600
200
2- 10 years
after HIV
infection CD4
count drops a
bit and then
CD4 count then drops
quickly in a few
people, but most
people take 4-7 years
to drop down to 200
after treatment,
your CD4 count
should rise
again to higher
levels
recovers
CD4 count

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