Accurate alignment of the central ray and glenoid cavity on an inferosuperior axial shoulder pro-jection
a. is unaffected by the degree of humeral abduction.
b. is affected by the alignment of the humeral epicondyle with the floor.
c. is obtained when the humerus is abducted to 60 degrees and the central ray to lateral body surface angle is set at 30 degrees.
d. will demonstrate the lateral edge of the coracoid process base aligned with the inferior glenoid cavity.
Question 2
An AP oblique shoulder projection (Grashey method) taken with insufficient patient obliquity
a. demonstrates an excessively longitudinally foreshortened clavicle.
b. demonstrates more than 0.25 inch (0.6 cm) of the coracoid process superimposing the humeral head.
c. demonstrates an open glenohumeral joint space.
d. occurs when the patient is in a recumbent position and rotated 45 degrees.
Extracellular digestion in a gastrovascular cavity.
(a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There
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