When alcohols react with nitric acid, the resulting compound is produced?
a. Black powder
b. Dynamite
c. Nitroglycerin
d. Trinitrotoluene
C
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What will be an ideal response?
Assessing the outcome of PEEP at levels set above 15-20 cm H2O is best done using which of the following?
a. Static compliance measurements b. Pressure-volume loop graphics c. Pulmonary artery occlusion pressure d. Central venous pressure measurements
Which of the following definitions pertains to recurrent periodontal disease?
A) Severe bone loss on the initial visit B) Generalized increasing tooth mobility on subsequent visits C) No future attachment loss at future visits D) Persistent deep pockets without strict home-care or recare visits
For quality assessment purposes, which of the following is true of the APTT?
A. Capillary blood is preferred for the test. B. A blood pressure cuff or tourniquet should always be used. C. Hemoconcentration can activate some clotting factors. D. Contamination of the blood sample with tissue factor is not a problem.