Which of the following is not a route of transmission of a pathogen?
A. vector
B. respiratory tract
C. direct contact
D. common vehicle
Answer: B
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What is the most common and least expensive method for commercial production of O2?
a. Electrolysis of water b. Fractional distillation of air c. Physical separation by molecular sieves d. Chemical decomposition of sodium chlo-rate
The nutrient that is essential for the production of red blood cells is ____.
A. iron B. magnesium C. zinc D. iodine E. calcium
Which type of attack is used to minimize risk to fire fighters?
a. Indirect b. Combination c. Tactical d. Defensive
Shortly after arriving home from the airport, a 19-year-old male experienced an acute onset of sharp chest pain and difficulty breathing. He denies a history of trauma. Your assessment reveals that he is in moderate distress and is tachycardic. Breath sounds are diminished over the apex of the right lung. You should suspect a/an:
A. localized hemothorax. B. spontaneous pneumothorax. C. acute onset of pneumonia. D. developing tension pneumothorax.