A 60 kg (132 lb) patient is being mechanically ventilated with the following settings: VC, A/C; VT 500 mL, respiratory rate 12/min, FIO2 1.00 and 10 cm H2O PEEP. The patient's peak airway pressure is 60 cm H2O and his SpO2 is 85%. A current chest x-ray shows diffuse bilateral infiltrates. Which of the following is the most appropriate action in order to reduce peak airway pressure?
A. Increase the frequency.
B. Change to airway pressure release ventilation.
C. Decrease the inspiratory time.
D. Increase PEEP to 15 cm H2O.
Answer: B. Change to airway pressure release ventilation.
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You are giving a talk on hunting safety. A hunter asks you when one should attempt to rewarm a hand or foot that is frostbitten. Your best response should be:
A) "You never want to rewarm a frozen body part since that can cause additional damage." B) "Only attempt to rewarm a frozen body part if the person still has some feeling in it." C) "It is best to attempt rewarming in any situation because the benefit of rewarming outweighs the risk of not rewarming." D) "Rewarming should only take place when there is no chance that the tissue will refreeze."
The third principle of ethical research deals with the question of ____, meaning that one group of people should not bear all the risks of research when the benefits of said research would benefit all persons in the larger society.
A. morality B. justice C. ethics D. acceptance