HESI Comprehensive Exam 1 Graded A+

HESI Comprehensive Exam 1 Graded A+ Which item can be used as an indicator of the quality of the diagnostic x-ray beam? 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? Effusion of the left lung Which action is best taught to the patient using the communication technique of demonstration? The correct positioning for a particular projection Where is edge enhancement post processing most helpful in digital radiography? Low contrast studies Which is the most likely cause of a histogram error? 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? 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? Speak slowly and in a low tone of voice What is the term for the adjustment of image brightness, regardless of exposure received? Rescaling How does an increase in nose affect the quality of a digital image? 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? Apply a moist compress Which position should a patient be placed in immediately following a seizure? Lateral recumbent How can magnification of the heart be reduced when performing a chest x-ray? Using 72 in SID Which accurately describes the radiation dose absorbed by bone marrow? The dose will be less than the entrance skin exposure What is the function of a rectifier? Convert alternating current to pulsating direct current How often should lead aprons be evaluated to determine if crack or holes are present? 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? 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? 90 degrees What is the result if pixel depth is decreased? Contrast resolution is decreased Which legal concept is violated by a radiographer who performs an examination without an examination order? Battery Which statement is true regarding exposure indicator and the evaluation of digital images? 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? Medical asepsis Which central ray angle is best for heavy, wide-hipped patients for lateral lumbar projections? 5 degrees caudal Which steps increase contrast in fluoroscopy? (Select the two that apply) Use a smaller collimator field, reduce kilovolts peak (kVp) In which clinical situation has valid consent been obtained? 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? Free air is demonstrated away from the gastric bubble. Which digital communication network is used to store patient billing information? HIS Which is the most appropriate reason for the application of gonadal shielding? To safe guard the reproductive potential of patients Place these bit depths in order from the one that will produce the least number of grays to the one that will produce the greatest number of grays. 8, 10, 12, 14 Which nonverbal cue best demonstrates attentiveness and concern for a patient who is giving a medical history? Consistent eye contact When dealing with radiation exposure, what is the most effective protection for a radiographer? Distance On an accurately positioned posterior (PA) chest radiograph, the manubrium of the sternum is seen at the level of which thoracic vertebrae when the patient is sthenic? Fourth Which grid ratio results in the lowest dose to a patient, because less milliampere-seconds (mAs) is required? 5:1 Why should computed radiography (CR) image receptors (IR) be erased if they haven't been used? Remove fog from background radiation Which factor determines the amount of energy of a bremsstrahlung x-ray? The distance between the filament electron and the nucleus of the target atom What is the wide spread of Methicillin-resistant Staphylococcus aureus (MRSA) mainly attributed to? Over prescription of antibiotics and poor infection control practices A patient with a left anterior rib injury, in which position should the patient be placed for the oblique image? 45 degree right anterior oblique (RAO) In a typical x-ray examination room, what is considered a secondary protective barrier? Ceiling According to Merrill's Atlas, which location represents the correct central ray (CR) placement for an axiolateral oblique mandible projection for the ramus? The region of interest A posteroanterior (PA) chest radiograph demonstrates the left clavicle closer to the center of the spine than the right clavicle. Which action should the radiographer take? Turn right side closer to image receptor (IR) What is the recommended central ray (CR) angle if the lumbar spine cannot be adjusted so it is horizontal for the lateral projection? 5 degrees for men, 8 degrees caudal for women Which factor is critical to demonstrating fluid levels within the chest on a portable examination? Horizontal central ray (CR) Which term refers to the radiation that exits the x-ray tube through the collimator? Primary For the protection of the radiographer, how long must the exposure cord be on a m