Which is a reason the instrument table and Mayo stand must remain sterile until the patient has left the room?
a. To ensure instruments remain sterile in case of hemorrhage
b. To increase turnover time
c. To ensure instruments have adequate time to dry
d. To adequately use the entire time allotted for the procedure
ANS: A
Hemorrhage, cardiac arrest, laryngospasm, premature drain extraction, or other emergencies can occur in the immediate postoperative-postanesthesia period. Instruments on the Mayo stand or back table can be used in an emergency situation.
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Which of the following statements correctly describe gases? 1. Gases exhibit the phenomenon of flow. 2. Molecular forces of attraction are minimal. 3. Gases are difficult to compress. 4. Gases expand to fill their container
a. 1 and 2 only b. 1, 2, and 4 only c. 2, 3, and 4 only d. 3 and 4 only
Which of the following refers to an x-ray directed from the front of the body to the back?
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