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You take an AP wheelchair chest using 100 kVp at 10 mAs with 40″.  What would  you have to do to technique if you increase your distance to 72″?  State your new technical values:  (Remember to show all of your work?)

Critique the following radiographs and determine their diagnostic quality. The following should be included in your answer: (3 points each film) Positioning criteria: is it positioned properly? / do not state a simple yes or no – explian why it is, or how you know it is not… ( 1 pt) Anatomy included: is all anatomy included? / specifically state what anatomy is missing (1 pt) Improvements:  Ex p l a i n  how to make this radiograph better (be sure to use proper terminology) (1 pt) Radiograph / Lateral Stomach: Use this format… Positioning: Anatomy: Improvements:

This view of the stomach best demonstrates the retrogastric space:

List TWO enzymes that are used in DNA replication (2 pts) AND describe the role that each of those enzymes plays in the DNA replication process (2 pts).

1. Describe the function of chlorophyll. (1 pt) 2. What types of organisms have chlorophyll? (1 pt)

Label the anatomy indicated on the radiographs. Radiograph E: 1.  2. 

Which of the following best describes allosteric regulation of an enzyme?  

An individual has only one allele for a gene instead of the usual two. What term describes this condition?

Which of the following positions and/or projections of the air contrast colon demonstrate most of the barium in the transverse section of the colon?

Why is the splicing step of mRNA processing important for gene expression? (1 pt) What is the term for the portion that is spliced out? (1 pt)