Hema-Immuno [Case 4] HIV Flashcards

1
Q

What type of HIV medication is Ritonavir?

A. Conversion and integration
B. Binding and fusion
C. Assembly, building, and maturation
D. Replication

A

C. Assembly, building, and maturation

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2
Q

Which type of HIV drug is Enfuvirtide?

A. Nucleoside reverse transcriptase inhibitor
B. Protease inhibitor
C. Non-nucleoside reverse transcriptase inhibitor
D. Integrase strand transfer inhibitor
E. Infusion inhibitor

A

E. Infusion inhibitor

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3
Q

Which type of HIV drug is Zidovudine?

A. Non-nucleoside reverse transcriptase inhibitor
B. Protease inhibitor
C. Nucleoside reverse transcriptase inhibitor
D. Integrase strand transfer inhibitor

A

C. Nucleoside reverse transcriptase inhibitor

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4
Q

What is the most common glomerular disease in HIV?

A. Diffuse proliferative glomerulonephritis
B. Focal segmental glomerulosclerosis
C. Membranous glomerulonephritis
D. Minimal change disease
E. Membranoproliferative glomerulonephritis

A

B. Focal segmental glomerulosclerosis

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5
Q

Which stage of HIV may last for 10 years?

A. Stage 0
B. Stage 1
C. Stage 2
D. Stage 3
E. Stage 4

A

C. Stage 2

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6
Q

What is the best step after a positive fourth-generation HIV-1/2 immunoassay?

A. Initiation of ART
B. Viral culture
C. Viral RNA
D. Further serology testing

A

D. Further serology testing

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7
Q

Which medication is a non-nucleoside reverse transcriptase inhibitor that is used more commonly to prevent vertical HIV transmission at birth?

A. Emtricitabine
B. Etravirine
C. Delavirdine
D. Nevirapine

A

D. Nevirapine

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8
Q

Which type of pneumonia is common in patients with active HIV infection?

A. Aspiration pneumonia
B. Interstitial pneumonia
C. Atypical pneumonia
D. Community-acquired pneumonia

A

D. Community-acquired pneumonia

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9
Q

Which test identifies if a patient’s HIV strain has CCR5 tropism?

A. Trofile assay
B. Western blot
C. Fluorescence in situ hybridization
D. G6PD assay
E. ELISA

A

A. Trofile assay

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10
Q

What is the main mechanism of action of HIV fusion inhibitors?

A. Binding host membrane glycoprotein 120
B. Binding host membrane glycoprotein 41
C. Binding HIV glycoprotein 120
D. Binding HIV glycoprotein 41
E. Binding both glycoprotein 41 and glycoprotein 120

A

D. Binding HIV glycoprotein 41

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11
Q

In an HIV patient, what organism can be treated with SMP-TMX?

A. Toxoplasmosis
B. P. aeruginosa
C. Enterococcus faecium
D. Enterococcus faecalis

A

A. Toxoplasmosis

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12
Q

Which medication is most likely to cause lactic acidosis in an HIV-patient?

A. Zidovudine
B. Efavirenz
C. Lamivudine
D. Atazanavir
E. Ritonavir

A

A. Zidovudine

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13
Q

Which of the following can be used if adverse reactions were encountered in using ART?

A. 3TC + TDF + EFV
B. 3TC + TDF + NVP
C. 3TC + TDF + Ritonavir
D. 3TC + TDF + Dolutegravir
E. Any of the options

A

C. 3TC + TDF + Ritonavir

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14
Q

A recently diagnosed patient with HIV comes to your clinic. Upon monitoring, you found out that his CD4+ T cell count is 200 cells/uL. What would be the next step?

A. Give TMP-SMX
B. Give Itraconazole
C. Give clarithromycin
D. Observe until the count reached to <150 cells/uL
E. Refer to an infectious specialist

A

A. Give TMP-SMX

PCP: <200 – TMP-SMX
Toxoplasma: <100 – TMP-SMX
MAC: <50 – Clarithromycin/Azithromycin
Histoplasmosis: <150 – Itraconazole

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15
Q

Which of the following is the most commonly used confirmatory test in HIV?

A. ELISA
B. Western blot
C. p24 antigen capture assay
D. NAT
E. Rapid HIV diagnostic algorithm

A

B. Western blot

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16
Q

Which of the following is the gold standard for a diagnosis of HIV infection?

A. 4th gen EIA confirmed by a second HIV-1 or HIV-2 specific immunoassay or plasma HIV RNA level
B. Positive EIA with a positive HIV RNA assay
C. Positive p24 antigen assay
D. Positive rapid diagnostic test + positive EIA

A

B. Positive EIA with a positive HIV RNA assay

17
Q

ALL of the following are TRUE about HIV transmission EXCEPT:

A. Breastfeeding is encouraged in developed countries
B. WHO recommends that all HIV-infected pregnant women receive life-long ART
C. Breaches in infection control, reuse of contaminated syringes, failure to sterilize, and/or hemodialysis rarely transmit HIV
D. HIV-1 plasma (viral load): primary determinant of the risk of transmission
E. None of the options

A

A. Breastfeeding is encouraged in developed countries

18
Q

Which of the following HIV drugs may result to CPK elevation?

A. Raltegravir
B. Elvitegravir
C. Dolutegravir
D. Bictegravir
E. Cabotegravir

A

A. Raltegravir

19
Q

All of the following are TRUE about HIV EXCEPT:

A. AIDS contain CD4 count less than 200/uL
B. Long-term nonprogressors are also called as long-term survivors
C. Elite controllers have extremely low levels of plasma viremia that is undetectable and normal CD4 count
D. None of the options

A

D. None of the options

19
Q

HIV replication mainly occurs in _________

A. Blood
B. Lymphoid tissues
C. Bone marrow
D. Skin
E. None of the options

A

B. Lymphoid tissues