1. What two types of hearing loss are associated with noise? A) acoustic trauma and noise induced B) high frequency and low frequency C) high frequency and acoustic trauma D) noise induced and low frequency: Answer A- acoustic trauma and noise induced 2. A hypersensitivity reaction that produces an allergic response is called: A) hemolytic shosh B) anaphylaxis C) necrotizing vasculitis D) systemic erythematosus: Answer B- anaphylaxis 3. Which cytokine is produced and released from virally infected host cells? A) IL-1 B) IL-10 C) tumor necrosis factor-alpha (TNF-a) D) interferon-alpha (IFN-a): Answer D- interferon-a 4. WhichT-lymphocyte phenotype is the key determinant of childhood asthma? A) CD4 helperT1 (Th1) lymphocytes B) CD4 helperT2 (Th2) lymphocytes C) CD8 cytotoxicT (Tc) lymphocytes D) memoryT lymphocytes: Answer B- CD4 helper T2 (Th2) lymphocytes 5. Some older adults have impaired inflammation and wound healing because of which problem? A) the circulatory system cannot adequately perfuse tissues B) complement and chemotaxis are deficient