Which of the following antibiotics should NOT be given to children younger than 9 years?
Cephalosporins
Macrolides
Tetracyclines
Penicillins
Tetracyclines
Rationale: Tetracyclines are antibiotics that should not be given to children younger than 9 years of age. This is because they may cause permanently discolored teeth and other problems in patients of this age group.
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What type of technical rescue requires the use of lock out/tag out devices to secure power switches?
A. Water rescue B. Vehicle rescue C. Elevator rescue D. Machinery rescue
Which of the following statements about fire streams is MOST accurate?
A. The type of nozzle determines the critical flow rate. B. The relief valve influences the reach of a fire stream. C. Hydrant pressure determines the shape of the fire stream. D. The size of the nozzle opening and the nozzle pressure determine the quantity of water flowing from the nozzle.
A patient who has been receiving mechanical ventilation for a week has just developed VAP. How does this epidemiologic variable (time of onset) affect patient treatment and outcome?
A. no different than if the patient developed VAP after 2 days of mechanical ventilation B. involvement of multidrug resistant pathogens and increased mortality C. associated with antibiotic-sensitive bacteria, but increased mortality D. connected with variably sensitive bacteria and better prognosis
A rock is dropped from a cliff. As the rock drops, its potential energy _________ and its kinetic energy _________.
A. decreases, increases B. increases, decreases C. decreases, decreases D. increases, increases