USCIS Doctors Infectious Disease Screening

Question 1

Which tuberculosis test is considered an acceptable alternative to the tuberculin skin test (TST) in immigration medical exams?

Accepted Answer

Interferon-Gamma Release Assay (IGRA)

Answer

Chest X-ray alone

Answer

Sputum culture

Answer

QuantiFERON-TB skin patch

Question 2

For which population is a chest X-ray required as part of the tuberculosis evaluation during immigration exams?

Accepted Answer

Applicants aged 15 and older with a positive TST or IGRA

Answer

All applicants regardless of age or TST results

Answer

Only applicants born in high-TB-burden countries

Answer

Only applicants with respiratory symptoms

Question 3

What is the required syphilis test used in immigration medical exams?

Accepted Answer

A nontreponemal test (RPR or VDRL) followed by a treponemal confirmatory test if reactive

Answer

Only a treponemal-specific test (FTA-ABS)

Answer

ELISA for syphilis antibodies

Answer

Darkfield microscopy

Question 4

At what age does gonorrhea testing become required during immigration medical exams?

Accepted Answer

15 years and older

Answer

18 years and older

Answer

21 years and older

Answer

All ages

Question 5

A tuberculin skin test (TST) reading of how many millimeters of induration is considered positive for an immunocompromised applicant?

Accepted Answer

5 mm or more

Answer

10 mm or more

Answer

15 mm or more

Answer

Any visible induration

Question 6

Which disease classification applies to an applicant found to have active, infectious tuberculosis?

Accepted Answer

Class A – Communicable Disease of Public Health Significance

Answer

Class B1 – TB, Pulmonary, Active, Not Suspected Infectious

Answer

Class B2 – TB, Extrapulmonary

Answer

Class C – TB, No Current Disease