At what point in the figure do the semilunar valves close?
a. A c. C
b. B d. D
ANS: B
In the semilunar valves and aortic and pulmonic valves, closure is associated with the dicrotic notch on the aortic pressure tracing. See Figure 9-22.
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A. abdominal B. ovarian
Which of the following would cause incomplete sterilization of an autoclaved load?
A. Temperature of 250° to 270°F B. 15 to 30 pounds of pressure in the chamber C. Steam temperature of 212°F D. Allowing the autoclave to cool before emptying E. Too short a time period
What information might be recorded in Item Number 25?
A. the legacy number B. the physician's or supplier's EIN or SSN C. the physician's NPI number D. the referring physician's NPI number
A series of C-shaped cartilages, open on the ventral, or front surface, help keep the trachea open
Indicate whether the statement is true or false