Answer:
CD4 cells are a type of immune cell found in the human body. These cells protect us from infections. CD4 count is a measurement of the number of CD4 cells in a blood sample. It is also used to monitor the progression of HIV infection.
In an HIV-negative adult, the normal range of CD4 count is 500-1500 mm3.
In AIDS there is the destruction of the blood CD4 lymphocytes by the virus.
Explanation:
CD4 cells are a type of immune cell that is found in the blood. This cell count is a measure of the number of these cells in a milliliter of blood. It is an important indicator of immune health.
When the CD4 count gets lower than 200 mm3 the patient is more prone to get opportunistic infections like rare fungal infections, Tuberculosis, Mycobacterial infections, parasitic infections, etc.
The CD4 count is used to measure to identify an immune deficiency in people.
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The nurse documents that a client diagnosed with dementia of Alzheimer's is exhibiting agnosia when the client is unable to identify a car picture.
<h3>What is Alzheimer's disease?</h3>
Alzheimer's disease is a neurodegenerative mental disorder characterized by episodes in which patients forgot habitual things, which may be dangerous for his/her daily life (agnosia). This disease (Alzheimer's disease) is irreversible and progressively affects all mental functions.
In conclusion, the nurse documents that a client diagnosed with dementia of Alzheimer's is exhibiting agnosia when the client is unable to identify a car picture.
Learn more about Alzheimer's disease here:
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Answer:
Rheumatoid arthritis
Explanation:
In RA, the autoimmune reaction results in phagocytosis, producing enzymes within the joint that break down collagen, cause edema and proliferation of the synovial membrane, and ultimately forms pannus. Pannus destroys cartilage and bone. SLE, osteoporosis, and polymyositis do not result in phagocytosis.
Answer:
To allow for the passage of light in a microscope.