1 | P a g e HESI RADIO GRA PHY PRACTICE TEST 1 ACTUAL EXAM 200 QUESTIONS WITH COMPLETE SOLUTIONS 2024 (VERIFIED ANSWERS) A+ RATED 1. How is signal maximized to a digital image receptor? a. Lower milliamperage (mA) setting. b. Shorter exposure time. c. Higher source to image receptor distance (SID) value. d. Longer exposure time.: d. Longer exposure time. The greatest signal strength is obtained with longer exposure time. The other responses reduce signal at the digital image receptor. 2. Which is the best approach for speaking to a patient with a hearing impair - ment? a. Ask patient to adjust hearing aid volu me. b. Speak in a low register. 2 | P a g e c. Talk very slowly. d. Do not make eye contact.: b. Speak in a low register. Patients with hearing loss most often have difficulty hearing voices in a high register, so speaking in a low register is recommended. Speaking at a moder ate pace is preferable, rather than very slowly. It is best to face the patient with hearing loss, so good eye contact is appropriate. Patients should not be advised to adjust their hearing aids in order to facilitate communication. 3. Which protective fea ture is designed to reduce exposure to the patient during fluoroscopic procedures? a. Bucky slot cover. b. Magnification mode. c. Protective curtain. d. Foot switch.: d. Foot switch. Radiologists are trained to repeatedly depress and release the fluoroscopic foot switch in order to reduce beam -on time and patient exposure. The bucky slot cover and protective curtain are designed to reduce exposure to personnel, rather than to the patie nt. While the magnification mode is helpful in certain situations, it does increase exposure to the patient. 3 | P a g e 4. How can digital radiography contribute to patient dose reduction today, in spite of generally being slower in system speed than 400 speed film s creen systems? a. Lower kilovolts peak (kVp) should be used with digital. b. Lower milliampere -seconds (mAs) should be used with digital. c. Higher milliampere -seconds (mAs) should be used with digital. d. Higher kilovolts peak (kVp) should be used with digital: d. H igher kilovolts peak (kVp) should be used with digital Higher kVp should be used with digital radiography, because lost contrast can be replaced during image processing. The net effect is a patient dose reduction compared to film -screen systems for the sam e body part. Lower kVp should not be used. Lower mAs cannot be assured due to the speed of the imaging system, but it may result from the choice of higher kVp. Higher mAs may be required due to the speed of the imaging system, but it certainly does not con tribute to patient dose reduction. 5. Which position should a patient be placed in immediately following a seizure? a. Dorsal recumbent. b. Sitting. 4 | P a g e c. Lateral recumbent. d. Ventral recumbent.: c. Lateral recumbent. Lateral recumbent is the preferred position for pa tients to be placed after having a seizure to avoid aspiration of secretions. Dorsal recumbent inhibits breathing and does not prevent aspiration. Ventral recumbent hides the patient's face from being observed for further complications. Sitting is contrain dicated due to the patient weakness following the seizure. 6. Who judges radiographic images for quality? (Select the four that apply.) a. Ordering physicians. b. Lawyers. c. Radiologists. d. Radiographers. e. Quality control technologists : a. Ordering physicians. c. Radiologists. d. Radiographers. e. Quality control technologists Radiographs are judged for quality by essentially all quality control technologists, ordering physicians, radiographers, and radiologists who see them. Lawyers depend upon hired expert radiologists to judge radiographs for them. 7. How does the Density log Exposure (D log E) curve appear for a digital imaging receptor (IR)?
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