Author Question: A PA axial, ulnar-deviated wrist projection with poor positioning demonstrates a closed ... (Read 65 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
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



owenfalvey

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

For a complete list of videos, visit our video library