To demonstrate the distal or inferior aspect of the sacroiliac joint more precisely, a 15°-20° cephalad angle can be added in addition to the 25°-30° part rotation. This beam angle would require recentering of the central ray in which direction?

Headache, seizures, a stiff neck, bulging fontanelles, and a rash consisting of tiny pinpoint hemorrhages under the skin indicate:

a. meningitis. c. pneumonia. b. epiglottitis. d. laryngotracheobronchitis.

Which of the following are causes of TMJ?

a. Accidents b. Clenching the teeth c. Grinding the teeth d. All of the above