USCIS Doctors Infectious Disease Screening 3

Question 1

For which group of applicants is the TST or IGRA waived during the immigration medical exam?

Accepted Answer

Children under 2 years of age

Answer

TB skin testing is generally deferred for children under 2 years old; instead, clinical evaluation and history are used.

Question 2

What follow-up is required after an immigration applicant is treated for Class A syphilis before their case is adjudicated?

Accepted Answer

Documentation of completed treatment and follow-up serologic testing to confirm response

Answer

After treatment for Class A syphilis, the applicant must provide documentation of completed treatment and serologic evidence of treatment response.

Question 3

What is the primary reason that HIV is no longer a Class A condition for US immigration?

Accepted Answer

HIV was removed from the list of communicable diseases of public health significance in 2010

Answer

Effective January 4, 2010, HIV was removed from the list of communicable diseases of public health significance, ending its status as a ground of inadmissibility.

Question 4

When performing the tuberculin skin test (TST), how many hours after placement must the result be read?

Accepted Answer

48–72 hours after placement

Answer

The TST must be read between 48 and 72 hours after intradermal placement to accurately measure induration.

Question 5

What is the TST induration threshold considered positive for recent TB converters or those with known TB exposure?

Accepted Answer

10 mm or more

Answer

For recent TB converters or close contacts of infectious TB cases, 10 mm of induration is the threshold for a positive TST result.

USCIS Doctors - U.S. Citizenship and Immigration Services Certified Doctors Practice Test

USCIS Doctors - U.S. Citizenship and Immigration Services Certified Doctors Practice Test

USCIS Doctors Infectious Disease Screening 3