The presence of what two things causes a diagnosis of HIV to change to be a diagnosis of AIDS?
What will be an ideal response?
Answer: The presence or absence of the following indicators determines a diagnosis of an HIV infection versus a diagnosis of AIDS.
- CD4 lymphocyte count below 200 cells/mm3 (normal is 500-1500 cells/mm3)
- Presence of an opportunistic infection or disease
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The term for excessive hair growth over the body is:
A) hyperemia. B) nevus. C) hyperhidrosis. D) hirsutism.
The part of the brainstem that supplies dopamine to cerebral areas involved in motivation and decision making is which of the following?
A. Ventral tegmental area B. Pedunculopontine nucleus C. Raphe nuclei D. Locus coeruleus E. Nucleus cuneatus
Which of the following drugs is commonly used as a "starter" or "gateway" drug to harder drug use?
A. Acetaminophen B. Marijuana C. Oxycodone D. Cocaine E. Caffeine
Which of the following recognize and respond to attacks by a pathogen that has attacked in the past?
A) Memory cells B) Macrophages C) Helper cells D) Suppressor cells