RTBC - CORE Mock Exam Questions Correctly Answered.

RTBC - CORE Mock Exam Questions Correctly Answered. 1. Which of the following are not used in direct capture DR systems? a. detector elements (DELs) b. charged-couple devices (CCDs) c. plate readers d. thin-film transistors (TFTs) 2. What is the medical term for fever? a. apnea b. hypertension c. orthostatic hypotension d. pyrexia 3. At a distance of 72 inches, the dose from a radiation source is measured at 125 microgray. What will be the dose at a distance of 40 inches? a. 225 microgray b. 405 microgray c. 39 microgray d. 69 microgray 4. Lethal effects on the embryo/fetus are most likely to occur during which stage of pregnancy? a. preimplantation b. fetal stage c. organogenesis d. second trimester c. plate readers d. pyrexia b. 405 microgray a. preimplantation 5. You are performing a mobile chest x-ray on an asthenic d. increase SID patient. the mAs and kVp are set as low as possible, but you still expect the IR exposure to be excessive for the patient's body habitus. Another way to decrease IR exposure would be to: a. decrease grid ratio b. decrease added filtration c. increase anode angle d. increase SID 6. The bottom reading of a blood pressure test is the: a. systolic reading b. diastolic reading c. cardia reading d. sinus reading 7. Which tissue type exhibits the greatest growth rate and proliferation? a. bone marrow b. muscle c. brain d. kidneys 8. The aging process commonly results in a decrease in: (select all that apply) a. calcium in the bones b. muscle strength c. tissue elasticity d. visual acuity 9. During CPR of an adult, the cardiac compression rate should be: a. 10-20 compressions per minute b. 40-60 compressions per minute c. 60-80 compressions per minute d. 100-120 compressions per minute