Hepatitis B is caused by the hepatitis B virus (HBV) and is transmitted by contaminated serum in blood transfusions or through the use of contaminated needles or instruments.
Answer the following statement true (T) or false (F)
True
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Which of the following is NOT one of the functions of the middle ear?
a. Transmit sound vibrations b. Equalize air pressure on both sides of the tympanic membrane c. Collect sounds waves and direct them through the auditory canal to the tympanic membrane d. Protect the ear from potentially damaging loud noise
Which of the following is a reason for performing tactical ventilation?
A. Decreasing reliance on fire streams B. Decrease costs of fireground operations C. Reducing potential extreme fire behavior D. Reducing need for interior fire operations
Which is NOT an element that impacts cultural change?
A) Discipline B) Responsibility C) Accountability D) Management
The ____ is in charge of monitoring radio frequencies.
A. APCO B. FCC C. NFPA D. GPS