Author Question: What anatomy is best demonstrated on this cranial projection? the maxillary sinuses the mandible ... (Read 69 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
What anatomy is best demonstrated on this cranial projection?
 
 the maxillary sinuses
  the mandible
  the frontal bone
  the parietal bones

Question 2

When positioning the lateral skull, which positioning lines are used to adjust the patient?
 
 MSP is perpendicular and the IPL is parallel
  MSP is parallel and IPL is parallel
  MSP is perpendicular and the IPL perpendicular
  MSP is parallel and the IPL is perpendicular



ong527

  • Sr. Member
  • ****
  • Posts: 285
Answer to Question 1

the frontal bone

Rationale: The frontal bone is of greatest interest on this PA projection of the skull because the frontal bone is closest to the image receptor.

Answer to Question 2

MSP is parallel and the IPL is perpendicular

Rationale: For the lateral projection of the skull, the IPL is aligned perpendicular to the IR and the MSP is parallel to the IR.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library