Which statement regarding handing instruments at the sterile field is correct?
a. Pass instruments around the incision.
b. Lightly place the instrument into the surgeon's hand.
c. Pass instruments directly over the incisional area.
d. Anticipate the surgeon's needs before being asked for an instrument.
ANS: A
To prevent possible injury, pass instruments around the incisional area rather than over it.
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You are assessing the airway of an unresponsive patient. You hear snoring respirations. The snoring indicates that:
A) the patient is not really unresponsive. B) the tongue is acting as a partial airway obstruction. C) the patient is asleep. D) the patient has overdosed on narcotics.
Which phase of the action potential represents the relative refractory period?
A. First half of Phase 4 B. Last half of Phase 4 C. First half of Phase 3 D. Last half of Phase 3
What factors contribute to the development of auto-positive end expiratory pressure (PEEP)? 1. High expiratory Raw 2. High inspiratory flows 3. Inadequate expiratory time
a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3
In setting up a home care chronic obstructive pulmonary disease patient for continuous low-flow O2 therapy through an O2 concentrator, which of the following additional equipment must you provide?
a. Pressure-reducing valve b. Backup gas cylinder c. Emergency generator d. Backup concentrator