Author Question: A PA axial, ulnar-deviated wrist projection with poor positioning demonstrates a closed ... (Read 36 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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

For a complete list of videos, visit our video library