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34yr old male diagnosed with AIDS (Organs of the Immune System…
34yr old male diagnosed with AIDS
Downstream effects
Body has less ability to fight off other infections
As T cells are destroyed immune system weakens
Viral DNA directs host cell to continue to reproduce
Upstream effects
Acquired condition that impair immune system
HIV when enter first and asymtomatic
Immune system collapses over time because no adaptive response and Helper T Cells Destroyed
Organs of the Immune System tissues/Functional system rather then organ system
Bone Marrow B And T Cells Originate
Thymus T Cells Mature
Spleen
Lymph Nodes
Cells:
Lymphocytes
B-Cells/CD4 Cells when naïve make antibodies
T Cells/ CD8 when naive
Destroy any infected cell
Natural Killer Cells: Kill virus infected cells and cancer cells
Phagocytes
Neutrophils (First Responders) Focus on eating up bacteria
Monocytes/Macrophages Big Eaters Damage infectious cells
Innate (nonspecific) 1st & 2nd lines of defense: Skin & Mucous membrane(Surface Barriers)
Antimicrobial Proteins, Phagocytes, and other cells
Adaptive (Specific) 3rd line of defense: Attacks foreign substances
Humoral Immunity B Cells and Cellular Immunity T Cells
Humoral Immunity has extracellular targets/ outside own cells like bacteria, fungi
Cellular Immunity target on own cell like virus, cancer, and incorrect blood transfusions
Different between Viral and Bacterial infection
Viral Require living host.. invades cells and take over
Bacterial Single celled that live in different environments
HIV the actually virus that causes the AIDS syndrome
HIV virus bind to cell
Attacks to DNA
Cell replicates HIV virus
Cell can’t handle the virus overload so it blasts out
HIV travel through body