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which of the following technical factors adjustments should be made when negative contrast media agents are used? A. decrease kilovoltage peak (kVp) B. increase kilovoltage peak (kVp) C. increased milliampere seconds (mAs) D. decreased milliampere seconds (mAs) - Correct Answer ✅A. decrease kilovoltage peak (kVp) a patient is seen in the emergency department with a possible fracture of the 4th finger which of the following would be proper positioning for this patient? A. lateral projection with the arm resting on the ulnar surface B. anteriorpostier (AP) projection with the finger curled as much as possible C. oblique projection with the arm resting on the radial surface D. posteroanterior (PA) projection with the hand curled around a sponge - Correct Answer ✅A. lateral projection with the arm resting on the ulnar surface
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which of the following characteristics describes x-ray beams used in diagnostic radiography A. polyenergetic B. heterogeneous C. homogeneous D. monoenergetic - Correct Answer ✅A. polyenergetic & B. heterogeneous a histogram in digital radiography refers to: A. the number of brightness levels that can be assigned to a pixel B. the size of the digital matrix C. the frequency of recored exposure values D. the range of exposure values that can be detected by the receptor - Correct Answer ✅C. the frequency of recored exposure values during a series of a mobile chest x-rays in the emergency room department , the technologist fails to adjust kilovoltage peak (kVp) for a hypersthenic patient after their previous asthenic patient. this is likely to result in which of the following? A. saturation
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following a sudden change of posture from the recumbent to the erect position, the patient complains of dizziness and may experience syncope or fainting due to a condition know as: A. orthostatic hypotension B. neurogenic shock C. hypoglycemia D. hypoxemia - Correct Answer ✅A. orthostatic hypotension if a technologist states the the patient " if you dont hold still ill have to stick you again" the technologist might be accused of: A. false imprisonment B. Battery C. assault D. negligence - Correct Answer ✅C. assault which projection best demonstrates the zygapophyseal joints of the cervical spine? A. anteroposterior B.anterior oblique
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C. lateral D. posterior oblique - Correct Answer ✅C. lateral how can radiation exposure rate influence biologic damage? A.the slower a dose is delivered , the more damaging it is B. the faster a dose is delivered, the more damaging it is C. exposure rate is not related to biologic damage - Correct Answer ✅B. the faster a dose is delivered, the more damning it is which facts below are true about fungi? A. may be much lager than bacteria B. may be classified as acid-fast C. may reproduce by budding D. uses host cell to reproduce E. a common cause of strep throat F. groups includes yeast - Correct Answer ✅A,B,C,F as the actual focus spot size increases, what happens to spatial resolution?
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an antiseptic agent is used to: A. kill microorganism on non-living tissue B. reduce the growth of microorganism on living tissue C. sterilize object of surgery D. cause microorganism to undergo anaphase - Correct Answer ✅B. reduce growth of microorganism on living tissue what must be worn when entering a room of a patient in droplet isolation? A. N-95 respirator B. a disposable gown C. non-latex gloves D. mask - Correct Answer ✅D. mask the most severe of all convulsive seizures is the: A. epileptic seizures B. partial seizures C. grand mal seizures
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D. petit mal - Correct Answer ✅C. Grand mal seizures as the angle of the anode decreases, what happens to the tube loading capacity of the x ray tube? A. increase tube loading capacity B. decreasing tube loading capacity C. no change in tube loading capacity - Correct Answer ✅B. decreasing tube lading capacity choose the signs/ symptoms below that would indicate a patient is going into shock: A. increased blood pressure B. increased urination C. pallor D. coughing E. increased F. diaphoresis - Correct Answer ✅C,E,F
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D. position the wheelchair parallel to the table and enlist an assistant to lift patient onto the table - Correct Answer ✅B. position the wheelchair so that the non-fractured led is on the side closer to the table which of the following is NOT a potential somatic effect of radiation? A. cataracts B. cystic fibrosis C. erythema D. epilation - Correct Answer ✅B. cystic fibrosis at a distance of 72 inches , the exposure from a radiation source measured at 125 mircogray. what will be dose at a distance of 40 inches? A. 225 microgray B. 405 microgray C. 39 microgray D. 69 microgray - Correct Answer ✅B. 405 microgray ( inverse square law) a precutaneous endoscopic gastrostomy (PEG) tube is primarily used for? A. gas decompression
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B. intestinal irrigation C. nutritional support D. suctioning gastric contents - Correct Answer ✅C. nutritional support a patient brought into the x-ray room informs you that they might feel light headed and faint what is best way respond to this situation? A. sit patient back in wheelchair and go get helo B. call a code C. lay the patient on the x- ray table with leg elevated D. lay patient on x-ray table with head elevated - Correct Answer ✅C. lay the patient on the x-ray table leg elevated assuming all technical factors are constant ,what field size will produce lowest image receptor exposure? A. 8 x 10 inches B. 10 x 12 inches C. 14 x 17 inches D. field size dose affect image receptor exposure - Correct Answer ✅A.8 x 10 inches
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C. increased detail on the anode side of the image D. increased detail on the cathode side of the image - Correct Answer ✅B,C personal dosimeters are worn for which of the following reasons? A. to evaluate radiation safety practices B. to evaluate risk to radiation-induced conditions C. to evaluate deterministic or tissue reaction risk D. to measure patient exposure to ionizing radiation - Correct Answer ✅A,B,C which of the following structures is located at the level of the interspace between T4 and t5? A. jugular notch B. sternal angle C. manubrium D. xiphoid - Correct Answer ✅B. sternal angle which of the following glands is located within the sella turcica? A. pineal
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B. hippocampus C. pituitary D. hypothalamus - Correct Answer ✅C. pituitary which of the following are appropriate guidelines for preforming a AP projection of the foot? select all the apply A. place the affected foot flat in the center of the IR B. use a grid to remove scatter radiation C. angle the central ray 10 degrees towards the heel D. place the central ray perpendicular to the metatarsals E. rotate the knee medially 20-30 degrees F. place the central ray to enter at the base of the third metatarsal - Correct Answer ✅A,C,D,F which of the following radiation interactions with matter will not result in ionization? select all that apply A. compton scatter B.photoelectric effect C. coherent scattering
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B. anatomical neck C. surgical neck D. greater tubercle - Correct Answer ✅C. surgical neck if a radiograph was taken using a 40 inch SID and the image was repeated using an 80 inch SID , what change would be needed to maintain IR exposure ? A. double mAs B. increases mAs by four times C. double kVp D. increase kVp by four times - Correct Answer ✅B. Increase mAs by four times which of the following is NOT an approp - Correct Answer ✅
