Is this a good image? Defend your answer

The artifact(s) seen in the image above include(s) 1. motion 2. jewelry artifacts 3. hair braids artifacts 4. denture artifacts

The center AEC was used for this later lumbar spine. Which statement is true regarding this image

AEC was used in the above image.  What is the most appropriate correction for repeating the image?

The lateral coccyx image shown above was made using AEC but is overexposed.  This is most likely a result of 

Which of the following is the most appropriate critique for the image seen above?

The radiograph shown illustrates incorrect use of

Which of the following statements is/are most likely true regarding the location of the artifact seen in the erect PA CXR

Select the true statement(s) regarding the above image 1.  excessive receptor exposure and insufficient visualization of the cervical vertebra 2. the image demonstrates motion unsharpness 3. the airway is adequately demonstrated 4. receptor exposure is insufficient for adequate vertebrae visualization

What is the most likely cause of the artifact seen?