Which two interactions between x-radiation and matter may result in the production of small-angle scatter?
a. Photoelectric absorption and Compton scattering
b. Coherent scattering and Compton scattering
c. Photoelectric absorption and pair production
d. Coherent scattering and pair production
b. Coherent scattering and Compton scattering
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A decrease in the number of erythrocytes in the blood is an indication of:
a. dehydration b. blood loss c. diarrhea d. high altitude
It is not necessary to use modifier 24 on the E/M service when the procedure period assigned to the code is 0 global days
Indicate whether the statement is true or false
Esophagitis can be caused by:
A) Spicy foods B) Alcohol C) Chewing food poorly D) Caustic ingestions
What is a function of the circulatory system?
a. transport carbon dioxide to the lungs b. absorb carbon dioxide from the alveoli c. absorb oxygen from body tissues d. transport oxygenated blood to the lungs