Which stage of the human immunodeficiency virus (HIV) would a client with a CD4+ T cell count of 325
cells/mm 3 be classified?
Stage 1
Stage 2
Stage 3
Stage 4 - Stage 2
That's right! Rationale Stage 2 describes a client with a CD4+ T cell count between 200 and 499 cells/mm
3. Stage 1 describes a client with a CD4+ T cell count of greater than 500 cells/mm 3. Stage 3 describes a
client with a CD4+ T cell count of less than 200 cells/mm 3. Stage 4 describes a client with a confirmed
HIV infection but no information regarding CD4+ T cell counts is available. Next Stage 1 0 Stage 3 O Stage
4
Which antibody forms first, after exposure to an antigen?
Immunoglobulin A(lgA)
Immunoglobulin E (lgE)
Immunoglobulin G (lgG)
Immunoglobulin M (IgM) - Immunoglobulin M (IgM)
That's right! Rationale lgM is the first antibody formed by a newly sensitized B-lymphocyte plasma cell.
lgA has very low circulating levels and is responsible for preventing infection in the upper and lower
respiratory tracts, and the gastrointestinal and genitourinary tracts. IgE has variable concentrations in
the blood and is associated with antibody-mediated hypersensitivity reactions. lgG is heavily expressed
on second and subsequent exposures to antigens to provide sustained, long-term immunity against
invading microorganisms. Next 0 Immunoglobulin G ( 1 86 ) @ Immunoglobulin M ( 1 8M )
,Which product would the nurse instruct intravenous drug users (IDUs) to use for cleaning of needles and
syringes between uses?
Bleach
Hot water
Ammonia
Rubbing alcohol - Bleach
Rationale IDUs should be instructed to fill syringes with household bleach and shake the syringe for 30
to 60 seconds. Hot water, ammonia, or rubbing alcohol is not used to disinfect used syringes. Next Hot
water
Which term describes the practice of placing clients with the same infection in a semi- private room?
Isolating
Cohorting
Colonizing
Cross-referencing - Cohorting
So close! Rationale Cohorting is the practice of grouping clients who are colonized or infected with the
same pathogen. Isolating is limiting the exposure to individuals with an infection. Colonizing refers to
the development of an infection in the body. Cross-referencing has nothing to do with an infectious
process. Next O Cohorting
Which manifestation indicates tertiary syphilis?
Chancre
Alopecia
Gummas
Condylomata lata - Gummas
, So close! Rationale Gummas are chronic, destructive lesions affecting the skin, bone, liver, and mucous
membranes occur during tertiary syphilis. A chancre appears during primary syphilis. Alopecia and
condylomata lata occur during secondary syphilis. Next
Which sexually transmitted infection (STI) is most commonly reported?
Syphilis
Chlamydia
Gonorrhea
Human immunodeficiency virus - Chlamydia
That's right! Rationale Chlamydial infections are the most commonly reported ST Is. Syphilis, gonorrhea,
and human immunodeficiency virus are not the most commonly reported ST Is.
Test-Taking Tip: Do not worry if you select the same numbered answer repeatedly, because there
usually is no pattern to the answers.
Which sexually transmitted infection causes condylomata acuminate?
Chlamydia
Gonorrhea
Herpes simplex
Human papillomavirus (HPV) - Human papillomavirus (HPV)
So close! Rationale Condylomata acuminate are genital warts that are caused by HPV. Genital warts are
not caused by chlamydia, gonorrhea, or herpes simplex.
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