Author: Anonymous

In general radiography, if the SID remains constant at 100 centimeters, which combination of OID and SOD would result in the lowest skin exposure to the patient? 

When critiquing a portable AP semierect chest image, the clavicles are horizontal, and less than 1 inch (2.5cm) of the chest apices are demonstrated superior to the clavicles.  What positioning changes, if any, are required to improve this image?

Ariela recently won $8500 on a scratch-off lottery ticket, and wants to invest all the money in mutual funds, in her two grandchildren’s names. Each grandchild should have at least 40% of the lottery winnings invested in their name.        Ariela is considering investing the lottery winnings in 4 different mutual funds. Each fund has an expected return rate of %. Each of the mutual funds deposits money into a mix of stocks and bonds.     Mutual Fund Stocks (%) Bonds (%) 1 60% 40% 2 70% 30% 3 65% 35% 4 85% 15% Ariela’s grandchildren are different ages, and she wants them to have appropriate mix of stocks and bonds for their ages. Her grandson should have at most 80% of all money invested in his name be in stocks. Her granddaughter should have at least 30% of all money invested in her name be in stocks. Ariela doesn’t want to invest more than $3000 of her winnings in any particular mutual fund. Write a linear program to help Ariela maximize the total expected return on her investment, while meeting her requirements. Be sure to describe decision variables, objective, and constraints briefly in words.

What decubitus projection is preferred to demonstrate a possible abdominal perforation?

Juan Chavez is starting a computer programming business and has invested $15,000. Identify how the accounting equation will be affected by the owner’s investment.

Which fluoroscopic procedure would the physician order to confirm suspected achalasia?  

What limits the maximum size of the x-ray beam field in the anode-cathode axis?

A patient experiencing angina would most likely have which underlying pathology? 

Protective body aprons used for radiographic examinations where the peak x-ray tube voltage is greater than 100 kV and less than 150kV must provide an attenuation of what lead equivalency?  

After explaining the risk and benefits of a procedure, a mature minor refuses to have the exam. What is the technologist’s responsibility?