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WorksheetsHIV Knowledge Quiz
Total questions: 24
Worksheet time: 12mins
HIV belongs to which virus family?
Herpesviridae
Retroviridae
Orthomyxoviridae
Flaviviridae
HIV is classified as
Retrovirus lentivirus
Picornavirus
Reovirus
Parvovirus
HIV genome is
Double-stranded DNA
Single-stranded DNA
Single-stranded RNA (two copies)
Double-stranded RNA
Key enzyme present in HIV for replication is
DNA polymerase
Reverse transcriptase
RNA polymerase
Protease only
HIV envelope glycoprotein responsible for attachment is
gp41
gp120
p24
gp160
HIV primarily infects cells expressing
CD8 receptor
CD4 receptor
CD19 receptor
CD21 receptor
Coreceptor used by HIV for macrophage entry is
CXCR4
CCR5
CD28
CD40
Coreceptor used by HIV for T cell (late) tropism is
CCR5
CXCR4
CD21
CD14
Major mechanism of immunodeficiency in HIV infection is
Loss of B cells
Depletion of CD4 T cells
Complement deficiency
Neutrophil excess
Early clinical stage of HIV infection is
Chronic AIDS stage
Acute retroviral syndrome
Latent infection only
Opportunistic infection only
AIDS is defined by CD4 count less than
1000 cells/µL
750 cells/µL
500 cells/µL
200 cells/µL
Most common mode of HIV transmission worldwide is
Airborne
Feco-oral
Sexual transmission
Vector borne
Vertical transmission of HIV occurs via
Only placenta
Placenta delivery and breastfeeding
Blood transfusion only
Droplet spread
NACO HIV testing strategy uses
Single rapid test only
Two or three tests based on purpose
Only ELISA
Only Western blot
Confirmatory test for HIV infection is
Gram stain
Widal test
Western blot or immunoblot
Catalase test
Viral RNA detection in HIV is done by
ELISA
RT-PCR
Weil-Felix test
Coagulase test
p24 antigen detection is useful for
Late AIDS diagnosis only
Window period detection only
Bacterial infections
Fungal diagnosis
Opportunistic infection in AIDS includes all EXCEPT
Pneumocystis jirovecii pneumonia
Toxoplasmosis
Candidiasis
Typhoid fever
Most common opportunistic fungal infection in AIDS is
Aspergillosis
Candidiasis
Cryptococcosis
Mucormycosis
Weil-Felix test is used in diagnosis of
Typhoid fever
Rickettsial infections
Brucellosis
Leptospirosis
Weil-Felix test is based on
ELISA
Precipitation
Agglutination with Proteus strains
Complement fixation
OXK agglutination in Weil-Felix test suggests
Scrub typhus
Epidemic typhus
Endemic typhus
Rocky Mountain spotted fever
OX19 agglutination in Weil-Felix test is seen in
Epidemic and endemic typhus
Scrub typhus only
Q fever only
Leprosy
Neil-Mooser reaction is associated with
Epidemic typhus
Endemic typhus
Scrub typhus
Brucellosis
