For the first question, the answer is B.
For the second question the answer is C.
(I'm not 100% sure but I think so.)
T-cells
lymphocytes
b-cells
Immunisation, public health promotion to raise awareness and knowledge (e.g. Ads, at the provider-patient level)
Targeting and improving infrastructure for public welfare! e.g. Sewerage services for clean water
Screening for early diagnosis and treatment
Quarantining if required..
Though the word "potential" is throwing me off a bit here, are they asking you for novel strategies instead of solid ones?
The Individuals with Disabilities Education Act (IDEA) officially defines speech and language impairments as “a communication disorder such as stuttering, impaired articulation, a language impairment, or a voice impairment that adversely affects a child's educational performance.”
