12 hiv disease and aids

the vast majority of HIV/AIDS cases in the world today are found in

Europe

An effective HIV vaccine is difficult to produce, primarily because

HIV mutates frequently.

which of the following exposures represents the greatest risk for acquiring HIV?

a blood splash from an HIV-infected individual onto intact skin

The immune system disorder associated with HIV is

deficiency of T-helper lymphocytes.

HIV virus is called retrovirus because it

enters the cell in a reverse fashion through the CD4 receptor

An HIV-positive patient is hospitalized for evaluation of symptoms of progressive weakness, dyspnea, weight loss, and low-grade fever. A biopsy of lung tissue reveals Pneumocystis carinii pneumonia. This diagnosis means that the patient

has AIDS.

long term survival of individuals with hiv infection is associated with all of the following except

high CD4 cell count

protease inhibitors work by

inhibiting protein splicing viral assembly and maturation

which of the following HIV-positive individuals would appropriately be given the diagnosis of AIDS?

one with Pnuemocystis jiroveci pneumonia

some people are resistant to HIV infection because

their immune system are stronger

the HIV virus is know to mutate frequently within an infected individual.

this is because the virus is trying to escape immune detection