All antiretroviral medications interfere with some stage of the HIV life cycle. What stage do protease inhibitors prevent?
A)
Cleavage of the polyprotein chain into the individual proteins that will be used to make new virus
B)
Addition of more nucleosides to the DNA chain
C)
Killing of the CD4+ T cell to release virions into the bloodstream
D)
Attachment of the virus to CD4+ cell receptors
Ans:
A
Feedback:
By binding to the protease enzyme and inhibiting its function, protease inhibitors prevent cleavage of the polyprotein chain into individual proteins. Virions are still released into the body, but they are immature and noninfectious.
You might also like to view...
The nurse explains to new parents that as healthy children are exposed to more infections, they:
1. Naturally develop antibodies. 2. Are found to be healthier. 3. Will acquire terminal illnesses. 4. Will weaken their immune systems.
The nurse working on the respiratory intensive care unit is aware that several respiratory conditions can affect the compliance of the lung tissue. Which condition leads to an increase in lung compliance?
A) Emphysema B) Pulmonary fibrosis C) Pleural effusion D) Acute respiratory distress syndrome
Of the four individuals described below, which client has the highest potential for attaining the
outcome "the client will cope effectively with current stressors"? a. A, who "stews" about negative feelings and situations without taking action b. B, who blames himself for the situation, saying he acted "stupidly" c. C, who states he thinks things will eventually work out by themselves d. D, who sought help from siblings with whom he has close, conflict-free relationships
The role of the project director is to:
a. take meeting minutes. b. maintain the action plan. c. set the expectations for the unit. d. report project progress to the governing body.