Test 3 Hesi Exam _ Updated and Correctly Answered Questions 100% A+

Test 3 Hesi Exam _ Updated and Correctly Answered Questions 100% A+ Where should the central ray (CR) enter the patient on an anteroposterior (AP) projection of the chest with the patient in the lateral decubitus position? - CORRECT ANSWER-Three inches below the jugular notch. Which condition requires a patient to be placed in a negative pressure room, and healthcare workers to wear respiratory protection when entering? - CORRECT ANSWER-Tuberculosis Which is the most appropriate response if a patient asks about the risks of radiation exposure from a computed tomography (CT) exam? - CORRECT ANSWER-A CT results in a much higher dose than an x-ray, but your physician believes the benefits outweigh the risks." How is the process of thermionic emission described? - CORRECT ANSWER-Electrons are released when the filament is heated. How much barium is administered on an average adult patient with a colostomy undergoing a single contrast barium enema? - CORRECT ANSWER-250 mL Which effect will a low signal-to-noise ratio (SNR) have on the appearance of a digital radiographic image? - CORRECT ANSWER-Decreased contrast resolution What is the advantage of using a high kilovolts peak (kVp), low milliamperage seconds (mAs) technique with digital radiography (DR) systems? - CORRECT ANSWER-Patient exposure decreases. Which milliampere seconds (mAs) value should be selected for a patient measuring 30 centimeters if 22 mAs is optimal for a patient measuring 25 centimeters? - CORRECT ANSWER-44 mAs. Which is the best way for a radiographer to reduce the effects of patient motion during a radiographic procedure on an adult patient? - CORRECT ANSWER-Explain the procedure prior to beginning. Which anatomical structure is the most medial? - CORRECT ANSWER-Coronoid tubercle Which term describes the process by which an overexposed or underexposed image receptor (IR) appears acceptable on a display monitor? - CORRECT ANSWER-Rescaling Identify the proper medical record documentation of medication administration. - CORRECT ANSWER-5 mcg/min, Epinephrine, IV, 11/12/2007, 0940. Which central ray (CR) orientation is recommended for a standard anteroposterior (AP) axial projection of the skull to demonstrate the dorsum sellaewithin the foramen magnum? - CORRECT ANSWER-30 degrees to the orbitomeatal line (OML). Which method should be the first choice to reduce exposure to the reproductive organs in every radiographic exam? - CORRECT ANSWER-Collimate to include only the anatomy of interest. Which acronym describes a network of computers that manages digital images? - CORRECT ANSWER-PACS For which purpose is gonadal shielding recommended? - CORRECT ANSWER-To reduce the probability of genetic mutations. For which purpose is orthoroentgenography performed? - CORRECT ANSWER-Long bone measurement. A radiographer performs an abdomen examination with a mobile digital radiography (DR) system. In order to reduce the likelihood of a repeat exposure, he decides to increase the technical factors slightly more than necessary. Which term refers to this undesirable practice? - CORRECT ANSWER-Dose creep. Which guideline is recommended for safely lifting a patient from a seated position? - CORRECT ANSWER-Stand with feet apart to establish a wide base of support. What is the minimum recommended filtration for general diagnostic x-ray units? - CORRECT ANSWER-2.5 mm Al. Which statement most accurately describes the position of the kidneys within the abdominal cavity of an average patient? - CORRECT ANSWER-The left kidney is positioned slightly higher than the right kidney. Which anatomical structure is the most distal? - CORRECT ANSWER-Radial tuberosity. Which method of respiration is recommended for a soft tissue neck exam to evaluate the trachea? - CORRECT ANSWER-Suspended inspiration. Which substance is added to the x-ray tube housing to increase heat dissipation? - CORRECT ANSWER-Oil Which procedures should imaging personnel perform in order to reduce exposure time during fluoroscopic procedures? (Select the three that apply.) - CORRECT ANSWER-1. Use the pulsed progressive mode. 2. Use the last image hold feature 3. Reset the cumulative timer before procedure. How will the dose area product (DAP) be affected during a 4 Roentgen exposure if the collimated field is reduced from 8 X 8 cm to 4 X 4 cm? - CORRECT ANSWER-DAP will be 1/4 of the original. know what an obliques hand looks like - CORRECT ANSWER-The hand is under-rotated. What should be demonstrated on a properly exposed supine image of the abdomen? - CORRECT ANSWER-Perirenal fat. Which term is an alternate name for the prodromal stage of acute radiation syndrome (ARS)? - CORRECT ANSWER-Initial stage. In which position should the patient be placed in order to demonstrate the right intervertebral foramina of the cervical spine while minimizing radiation dose to the thyroid gland? - CORRECT ANSWER-Right anterior oblique (RAO). An image of the abdomen demonstrates appropriate density and scale of contrast, but motion blur is present due to peristalsis. If the original image was obtained with a 200 milliampere (mA) station and an exposure time of 0.35 seconds, which set of technical factors will produce a comparable exposure while minimizing motion artifact? - CORRECT ANSWER-500 mA and 0.14 seconds