What type of hot packs are more penetrating for therapeutic applications?
A) Dry-heat packs
B) Moist-heat packs
C) Body-heat packs
D) Thermo-heat packs
Answer: B
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Which of the following statements regarding artificial ventilation of an apneic patient who has dentures is correct?
A) Because of the risk of airway obstruction, the EMT should routinely remove a patient's dentures. B) If a patient's dentures are loose, the EMT should use the jaw-thrust maneuver to keep the airway open. C) The EMT should not attempt to remove a patient's dentures because this may cause an airway obstruction. D) Tight-fitting dentures should be left in place because they facilitate the delivery of adequate tidal volume.
Conservative estimates say that the presence of a screen in a window reduces the airflow by approximately ____ percent.
A. 10 B. 30 C. 50 D. 75