HESI Comprehensive exam 1 Correct and Updated Questions and Answers 100%

HESI Comprehensive exam 1 Correct and Updated Questions and Answers 100% Which item can be used as an indicator of the quality of the diagnostic x-ray beam? - CORRECT ANSWER-Kilovoltage peak (kVp) Which condition represents the most likely indication for an anteroposterior (AP) chest projection with the patient in the left lateral decubitis position? - CORRECT ANSWER-Effusion of the left lung Which action is best taught to the patient using the communication technique of demonstration? - CORRECT ANSWER-The correct positioning for a particular projection Where is edge enhancement post processing most helpful in digital radiography? - CORRECT ANSWER-Low contrast studies Which is the most likely cause of a histogram error? - CORRECT ANSWER-Selection of an incorrect exam from the look-up table During preparation for a surgical procedure, an unopened sterile package becomes damp from an accidental spill of saline. Which response is most appropriate? - CORRECT ANSWER-Consider the package contaminated and replace it with a sterile item. Which is the most appropriate guideline to follow when radiographing patients in their late adult years? - CORRECT ANSWER-Speak slowly and in a low tone of voice What is the term for the adjustment of image brightness, regardless of exposure received? - CORRECT ANSWER-Rescaling How does an increase in nose affect the quality of a digital image? - CORRECT ANSWER-Contrast is decreased A patient in the radiology department suddenly develops a nosebleed. The radiographer instruct the patient to lean forward and pinch the affected nostril against the midline nasal cartilage, but the bleeding does not stop. What should the radiographer do next? - CORRECT ANSWER-Apply a moist compress Which position should a patient be placed in immediately following a seizure? - CORRECT ANSWER-Lateral recumbent How can magnification of the heart be reduced when performing a chest x-ray? - CORRECT ANSWER-Using 72 in SID Which accurately describes the radiation dose absorbed by bone marrow? - CORRECT ANSWER-The dose will be less than the entrance skin exposure What is the function of a rectifier? - CORRECT ANSWER-Convert alternating current to pulsating direct current How often should lead aprons be evaluated to determine if crack or holes are present? - CORRECT ANSWER-Annually A lateral L5/S1 lumbosacral junction is performed with the CR directed 2 inches anterior superior iliac spine (ASIS) and 1 1/2 inches inferior to the iliac crest. Which statement describes this method? - CORRECT ANSWER-The central ray will be well anterior to the L5/S1 junction What is the magnitude of the angle formed by the intervertebral foramina and the midsagittal plane in the thoracic spine? - CORRECT ANSWER-90 degrees What is the result if pixel depth is decreased? - CORRECT ANSWER-Contrast resolution is decreased Which legal concept is violated by a radiographer who performs an examination without an examination order? - CORRECT ANSWER-Battery Which statement is true regarding exposure indicator and the evaluation of digital images? - CORRECT ANSWER-Exposure indicator must be reviewed with every image and must fall within the manufacturerer's acceptable range Which term best describes the process of cleaning the surfaces in a radiology department with 10% bleach solution in water? - CORRECT ANSWER-Medical asepsis Which central ray angle is best for heavy, wide-hipped patients for lateral lumbar projections? - CORRECT ANSWER-5 degrees caudal Which steps increase contrast in fluoroscopy? (Select the two that apply) - CORRECT ANSWER-Use a smaller collimator field, reduce kilovolts peak (kVp) In which clinical situation has valid consent been obtained? - CORRECT ANSWER-A 16 year old mother provides consent to perform an x-ray on her 6 month old child Why is the left lateral decubitus position recommended as part of an acute abdominal series? - CORRECT ANSWER-Free air is demonstrated away from the gastric bubble. Which digital communication network is used to store patient billing information? - CORRECT ANSWER-HIS Which is the most appropriate reason for the application of gonadal shielding? - CORRECT ANSWER-To safe guard the reproductive potential of patients