LMRT state exam Questions with Correct and Verified Answers

LMRT state exam Questions with Correct and Verified Answers "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" "which of the following would best help reduce radiation exposure to the radiographer? A. increase kilovoltage peak (kVp) B. increasing distance from the x-ray tube C. increasing the focal spot D.providing detailed instructions to the patient - Correct answer B. increases distance from the x-ray tube" "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" "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)" "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 B. excessive image receptor exposure C. ghosting D. quantum mottle - Correct answer D. quantum mottle" "what type of joint is a costotransverse joint? A. slightly moveable B. immoveable C. synovial gliding D. synovial condyloid - Correct answer C. synovial gliding" "whats the purpose of primary beam restriction? A. keep the amount of tissue irradiation to a minimum B. improve image quality C. reduce patient exposure D. reduce scatter production - Correct answer ALL OF THE ABOVE" "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 C. lateral D. posterior oblique - Correct answer C. lateral" 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" "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? A. increases B. decreases C. no change D. focal spot size ands spatial resolution are not related - Correct answer B. DECREASES" "the metal housing of an x-ray tube is used to: A. house the glass envelope B. absorb leakage radiation C. prevent electric shock D. increase x-ray beam intensity - Correct answer A,B,C" "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 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" "a precutaneous endoscopic gastrostomy (PEG) tube is primarily used for? A. gas decompression 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" "the cause of loss patency in an IV include: A. poor circulation B. malnutrition C. improper needle selection D. improper height of Iv solution - Correct answer D. improper height of iv solution" "what is the annual whole-body radiation dose limit for infrequent exposure to the general public? A.2.5 millisievert (mSv) B.5 millisievert (mSv) C. 25 millisievert( mSv) D. 50 millisievert (mSv) - Correct answer A. 2.5 Millisievert (mSv)" "how does the anode heel effect manifest itself on a radiograph image? select all the apply A.higher exposure on the anode side of the image B. higher exposure on the cathode side of the image 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 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 D. photodisintegration - Correct answer C,D" "an AP lordotic chest is preformed to evaluate the: A. apices B. costophrenic angle C. ribs D. clavicles - Correct answer A. apices" "for a lateral skull radiograph , the interpupillary line (IPL) is positioned: A. parallel to the IR B. perpendicular to the IR C. at a 30 degree angle to the IR D. at a 45 degree angle to the IR - Correct answer B. perpendicular to the IR" "what anatomical structure of the humerus is most likely to be affected by trauma? A. bicipital groove 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" "select the situation(s) below for which a radiographer could be found guilty of medical tort. A. radiating a pregnant patient without first asking if there could be a chance of pregnancy B. radiating a pediatric patient without have a parent of legal guardian present C. posting an x-ray image on social media without removing patients identifiers D. throwing de- indentified patient order requisitons into a public trash can E. using a racial slur when communicating with a patient - Correct answer A,C" "when preparing to assist a patient with a fractured leg from a wheelchair onto the x-ray table , how should the technologist proceed? A. position the wheelchair so that the fractured leg is on the side closer to the table B. position the wheelchair so that the non-fractured leg is on the side closer to the table C. have the patient decide how the wheelchair is positioned 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"