Which of these statements is false?
A) Structures should be magnified to enhance interpretation.
B) An area of interest must be recorded completely with sufficient surrounding structures for a frame of reference.
C) A radiograph should be of proper density, contrast, and definition.
D) An image should be free of errors.
A
Explanation: A) All parts of all structures radiographed must be shown on the image as close as possible to their actual sizes and shapes. Distortion and superimposition of structures should be minimized.
B) All parts of all structures radiographed must be shown on the image as close as possible to their actual sizes and shapes. Distortion and superimposition of structures should be minimized.
C) All parts of all structures radiographed must be shown on the image as close as possible to their actual sizes and shapes. Distortion and superimposition of structures should be minimized.
D) All parts of all structures radiographed must be shown on the image as close as possible to their actual sizes and shapes. Distortion and superimposition of structures should be minimized.
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Which statement regarding the role and function of the cervix during pregnancy is true?
A) "The cervix constricts near the time of delivery to prevent a premature birth." B) "The cervix becomes plugged with mucus to prevent contamination of the uterus." C) "The EMT can palpate the cervix to measure the contractions that the mother is having." D) "The ‘bloody show' comes from the cervix and confirms pregnancy in the first trimester."