Infectious Disease Screening Flashcards
6 cards from real USCIS DOCTORS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Infectious Disease Screening flashcards as text
For which group of applicants is the TST or IGRA waived during the immigration medical exam?
Answer: Children under 2 years of age
TB skin testing is generally deferred for children under 2 years old; instead, clinical evaluation and history are used.
What follow-up is required after an immigration applicant is treated for Class A syphilis before their case is adjudicated?
Answer: Documentation of completed treatment and follow-up serologic testing to confirm response
After treatment for Class A syphilis, the applicant must provide documentation of completed treatment and serologic evidence of treatment response.
What is the primary reason that HIV is no longer a Class A condition for US immigration?
Answer: HIV was removed from the list of communicable diseases of public health significance in 2010
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.
When performing the tuberculin skin test (TST), how many hours after placement must the result be read?
Answer: 48–72 hours after placement
The TST must be read between 48 and 72 hours after intradermal placement to accurately measure induration.
What is the TST induration threshold considered positive for recent TB converters or those with known TB exposure?
Answer: 10 mm or more
For recent TB converters or close contacts of infectious TB cases, 10 mm of induration is the threshold for a positive TST result.
If a civil surgeon suspects an applicant has an active communicable disease of public health significance, what immediate action is required?
Answer: Refer the applicant for further evaluation and do not issue Form I-693 until the workup is complete
When a Class A communicable disease is suspected, the civil surgeon must complete a thorough workup before completing Form I-693, not issue an incomplete form.
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