Which of the following is true with respect to axial calcaneal projections?
1. The image demonstrates an open talocalcaneal joint space.
2. The foot is flexed 90 degrees to the lower leg and rotated slightly laterally.
3. A 40-degree central ray is directed proximally.
4. The central ray is centered to the distal fifth metatarsal.
a. 1 and 3 only
b. 1 and 2 only
c. 3 and 4 only
d. 1, 3, and 4
A
You might also like to view...
An optimal AP axial cervical vertebrae projection demonstrates all of the following except
a. the spinous processes aligned with the midline of the cervical bodies. b. open intervertebral disk spaces. c. each vertebra's spinous process visualized at the level of its superior intervertebral disk space. d. the third cervical vertebra inferior to the posterior occiput and mandibular men-tum.
Because of the improvements in life span and medical technology:
A) Fewer people are now reliant on home medical technology than in the past B) People with certain deficits or medical conditions can remain at home C) The EMT seldom encounters home medical technology problems when providing emergency care D) The EMT seldom encounters terminally ill patients in the home