Referring to the image, which describes the position of the arm?
humeral epicondyles are perpendicular to the image receptor
humeral epicondyles are parallel to the image receptor
lateromedial
AP
humeral epicondyles are perpendicular to the image receptor
Rationale: The image represents a lateromedial projection of the humerus. This projection requires the palm to be internally rotated until the humeral epicondyles are perpendicular to the image receptor. The arm may be imaged in full extension or bent 90 degrees.
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Which form of antagonism occurs when the antagonist binds to a receptor site that would not normally be occupied by the initial drug, causing a change in the initial drug's receptor site and rendering it unrecognizable and unusable by the initial drug?
a. physiological antagonism b. noncompetitive antagonism c. antagonism by neutralization d. competitive antagonism
Which of the following causes of chest pain is heart-related?
A. Heartburn B. Angina C. Pleurisy D. Costochondritis E. Inflammation of the pancreas