Q:l Whatl arel thel 2l factorsl thatl playl al rolel inl thel developmentl ofl
autoimmunel diseases?
Answer:
geneticl susceptibility,l environmentall factors
Q:l 1.l Al 32-year-oldl womanl presentsl tol thel clinicl forl herl initiall obstetricsl visit,l aboutl 10l weeksl intol herl pregnancy.l Shel isl inl al monogamousl relationship.l (1)l Shouldl anl HIVl testl bel partl ofl herl initiall bloodl work?l Why?
2.l Anl infantl isl born,l andl itsl initiall antibodyl testl isl positivel forl HIV.l (2)l Doesl thisl meanl thel infantl isl infected?l Whatl wouldl bel thel morel appropriatel testl tol detectl HIVl inl thisl infant?
Answer:
1.l Despitel HIVl mostlyl affectingl gayl menl inl thel US,l thisl womanl shouldl stilll bel testedl forl HIV.l Thel questionl doesl notl sayl whatl countryl shel isl from,l andl HIVl affectsl manyl womenl inl Africa,l sol thel possibilityl ofl HIVl cannotl bel ruledl out.l Evenl ifl shel wasl froml thel US,l herl careerl orl lifestylel choicesl mayl increasel herl riskl ofl HIVl infection.l Shel shouldl stilll bel testedl forl HIVl becausel ofl thel riskl ofl transmittingl HIVl tol thel fetus.
2.l No.l Thel polymerasel chainl reactionl (PCR)l testl isl al nucleicl acidl testl thatl canl detectl HIVl DNA.l Itl testsl forl thel presencel ofl thel virus,l ratherl thanl thel antibody,l whichl isl helpfull inl diagnosingl HIVl infectionl inl infantsl bornl
BIOLl 331/l BIOL331l Modulel 3:l (Latestl
2026/l 2027l Update)l 100%l Verifiedl Questionsl &l Answersl |l Gradel A 1 / 3
tol infectedl mothers.l Thesel infantsl wouldl havel theirl mother'sl antibodiesl whetherl orl notl theyl havel beenl infected.
Q:l Thel cellsl primarilyl responsiblel forl thel tissuel buildingl thatl occursl duringl thel proliferativel phasel ofl woundl healingl arel knownl asl what?
Answer:
fibroblasts
Q:l Whichl ofl thel followingl cellsl arel NOTl classifiedl asl eitherl labilel orl stablel cells?
Answer:
skeletall musclel cell
Q:l Asl thel CD4l Tl celll countl decreases,l thel bodyl becomesl susceptiblel tol ______l ______.
Answer:
opportunisticl infections
Q:l Thel terml tol describel thel timel whenl anl infectedl person'sl bloodl
convertsl froml beingl negativel forl HIVl antibodiesl tol beingl positivel isl calledl what? 2 / 3
Answer:
seroconversion
Q:l True/False: Al personl withl HIVl isl notl infectiousl whenl theyl arel asymptomatic.
Answer:
false
Q:l True/False: Thel Tl cellsl thatl displayl thel host'sl MHCl antigensl andl T-celll receptorsl forl al nonself-antigenl arel allowedl tol mature,l al processl termedl negativel selection.
Answer:
false
Q:l Thel movementl ofl leukocytesl froml thel vascularl spacel tol thel
extravascularl tissuel duringl acutel inflammationl isl termedl what?
Answer:
transmigration
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