Your patient presents with pain, deformity, swelling and crepitus to the left wrist. This injury would best be described as:

The neural tube closes first in the:

a. Lower cervical region b. Brain region c. Lumbar region d. Sacral region

Each of the following statements regarding the fundamentals of periapical radiographs is correct except one. Which one is the exception?

A) Periapical radiographs may be taken using the paralleling or bisecting technique. B) Placement of the image receptor-holding device must be evaluated to avoid angulation errors. C) The patient's finger can be used to hold a large image receptor in position in the oral cavity. D) The size of image receptor chosen depends on the shape and size of the dental arches.