A PA axial, ulnar-deviated wrist projection with poor positioning demonstrates a closed scapho-capitate joint and an open hamate-capitate joint. How should the positioning setup be adjusted for an optimal image to be obtained?
a. Increase the degree of external wrist rotation.
b. Decrease the degree of external wrist rotation.
c. Extend the fingers, with hand flat.
d. Adjust the degree of central ray angulation.
Question 2
When the patient ulnar-deviates for a PA axial, ulnar-deviated wrist projection, the
1. first metacarpal and radius are aligned.
2. distal scaphoid shifts anteriorly.
3. lunate is demonstrated distal to the radius.
4. distal scaphoid shifts posteriorly.
a. 1 and 2 only
b. 3 and 4 only
c. 1, 3, and 4 only
d. 1, 2, and 3 only
Gunnera growing on nitrogen-poor soil.
Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
Anatomy of the Wrist and Hand
Positioning the Patient in the Supine Position
Apply thumb slides between metacarpals from knuckles to wrist.
Soybean plants in nitrogen-poor soil show how root nodules affect growth. Only the darker green plan