AHN 577 Infectious Disease Part 2 Questions and Correct Answers/ Latest Update / Already Graded

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AHN 577 Infectious Disease Part 2
Questions and Correct Answers/ Latest
Update / Already Graded
Isoniazid x 9 months

Ans: Latent TB prevention


Rifampin daily x 4 months

Ans: Latent TB with positive TB skin test or IGRA


Contraindicated d/t risk for severe liver injury or death

Ans: Rifampin + Pyrazinamide combo use in latent TB


RIPE (Rifampin, Isoniazid, Pyrazinimide, Ethambutol) x 8 weeks

Ans: Active TB treatment during intensive phase


Isoniazid and Rifampin x 18 weeks

Ans: Active TB treatment during continuation phase


- Coughing


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- Cavity in lung

- Sputum smears positive for AFB

- TB disease of lungs, airway, or larynx present

- Positive culture

Ans: TB patient infectious if..


- Symptoms improved AND

- 3 consecutive negative sputum smears AND

- Adhering to adequate treatment x 2 weeks

Ans: TB patient no longer infectious if..


-- ELISA - initial screening; 99.9% sensitive

-- Western blot - > 99.99% sensitive and specific

Ans: How do you test for HIV infection?


-- CD4 count - best indicator of immune fx; guides therapy

-- HIV RNA - amt of actively replicating viruses; best indicator for
diagnosing acute HIV infections; tells about disease progression

-- CBC - detect pancytopenia

-- CMP - assess renal/hepatic function

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-- Pregnancy test - prior to ARTs

-- UA to detect early nephropathy

-- Hgb A1c to assess for glucose intolerance

Ans: Routine labs for treatment of HIV/AIDS


1 integrase inhibitor (or PI) + 2 NRTIs

Ans: Typical initial regimen for HIV


Tenofovir, Emtricitabine, Abacavir, Lamivudine

Ans: NRTI examples


- Hepatitis

- Neutropenia

- AKI

- Anemia

- Rash

- Peripheral neuropathy

- GI upset

Ans: Common s/e of NRTIs


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