Proper tube-grid alignment is important during ____ radiography.

Which of the two techniques for obtaining intraoral radiographs may be easier to use for children or adults with shallow palates?

What will be an ideal response?

Which of the following types of oxygen analyzer can be placed in a ventilator circuit to continu-ously monitor oxygen concentration?

1. Polarographic 2. Paramagnetic 3. Galvanic 4. Physical a. 1 and 4 c. 2 and 3 b. 1 and 3 d. 2 and 4