An AP oblique knee with medial rotation on an asthenic patient requires which type of central ray?
perpendicular
5-7 degrees cephalic
3-5 degrees cephalic
3-5 degrees caudal
perpendicular
Rationale: The AP oblique knee with either medial or lateral rotation uses a perpendicular beam. The primary focus on the AP oblique is not the femorotibial joint, but rather the femoral condyles and/or proximal tibiofibular joint.
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Poor posture causes muscles to become hypertonic due to overstimulation of the ___________
a. muscle spindle b. golgi tendon organ c. photoreceptor d. None of the above
Centering the image receptor to line up behind the central and lateral incisors to include recording the mesial halves of the canines if using a size #2 image receptor describes the placement of the image receptor for which periapical radiograph?
a. Central incisor b. Canine c. Premolar d. Molar
PPEs do not protect employees from exposure to hazardous materials
Indicate whether the statement is true or false
The respiratory therapist is performing a pulmonary function study on a patient who has periodic symptoms of asthma. The pulmonary function results are within normal limits
What further testing can the therapist recommend to aid in either confirming or negating the possible diagnosis? a. Inhaled methacholine challenge testing b. Body plethysmography c. Inhaled digitalis d. Warm, humid air challenge