1. What two types of hearing loss are associated with noise?: Answer Acoustic trauma and noise induced 2. A hypersensitivity reaction that produces an allergic response is called:: - Answer Anaphylaxis 3. Which cytokine is produced and released from virally infected host cells?- Answer Interferon-alpha (IFN-a) 4. WhichT-lymphocyte phenotype is the key determinant of childhood asthma?: Answer CD4 helper T2 (Th2) lymphocytes 5. Some older adults have impaired inflammation and wound healing because of which problem?: Answer Underlying chronic illnesses exist 6. The role of cytokines in cell reproduction is that they:: Answer Provide growth factor for tissue growth and development 7. Which characteristic is the most important determinant of immunogenicity when considering the antigen?: Answer Foreignness 8. How do cells receive communication from the extracellular fluid surrounding them?: Answer By chemical messengers such as ligands