MIT 103 FINAL TEST REVIEW QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026

MIT 103 FINAL TEST REVIEW QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026 What does ALARA mean? - Answers As Low As Reasonably Achievable The negative side of the x-ray tube is called the: a. Cathode b. Anode c. Transducerd. Magnet - Answers cathode An anode is typically made of what material? a. Tungsten b. Barium c. Molybdenumd. Rhodium - Answers Tungsten Who discovered X-rays in 1895? a. Albert Einstein b. Mother Theresa c. William Roentgend. Marie Curie - Answers Wilhelm Roentgen The atomic number of Tungsten is: a. 64 b. 74 c. 78 d. None of the above - Answers 74 During the production of characteristic radiation, the x-ray photon is released due to a difference in what kind of energy between the shells of the atom? a. Kinetic energy b. Binding energy c. Potential energy d. There is no difference in energy between the shells - Answers Binding energy Some responsibilities that a radiologic technologist may be required to perform on the job are: a. Trauma x-rays b. Interpretation of x-rays c. Ordering x-ray exams d. None of the above - Answers Trauma X-ray Computed Radiography uses: a. A cassette with a digitized plate inside b. A carbon reader to take the image off of the digitized plate c. A computer monitor, to display the image d. All of the above - Answers All of the above Contrast media that is given through an intravenous line is usually: a. An iodine-based liquid b. Liquid barium c. All of the above d. None of the above - Answers All of the above The only part of the cathode or anode assemblies that is located outside the vacuum glass envelope is: rotor stator focusing cup filament - Answers The stator A vacuum container that houses the x-ray tube is known as the cathode assembly A: True B: False - Answers False The anode is the negative terminal of the x-ray tube. A: True B: False - Answers False A collimator is a device that used to restrict the size of the primary beam. connected to the bottom of the x-ray tube. used to adjust the size of the primary beam. d.All the above - Answers is connected to the bottom of the x-ray tube. The variable that controls the penetrability of the beam is a.mA b.kVp ds sifying screens - Answers KVP The three cardinal principles when dealing with radiation protection are all of the following nce sity ding - Answers Intensity Most exposure received by the technologist occurs during I.fluoroscopy II.the day III.portable exams IV.patient holding - Answers I III IV Fluoroscopy can be used for I.Myelograms II.Arthrograms III.Tomograms IV.UGI's - Answers IV. UGI's A contrast material appearing black on a radiograph would be an example of I.Barium II.Iodine III.Air - Answers Only III Air Who discovered Xrays in 1895 a. Albert Einstein b.Mother Theresa c. William Roentgen d. Marie Curie - Answers William Roentgen The type of x-ray production that occurs when the incoming electron decelerates or changes direction in response to the nucleus of the atom is a.Bremsstrahlungradiation b.Characteristicradiation c.Bothof the above d.None of the above - Answers Characteristic radiation Streams of electrons in a vacuum tube are termed a. Cathode rays b. X rays c. Gamma rays d. None of the above - Answers Cathode rays The ALARA principle is about getting your images right the first time. This can be achieved by a.Communicate with the patient what is expected b. Setting the correct technique c. Positioning patient correctly d. All of the above - Answers All of the above During the production of characteristic radiation, the xray photon is released due to a difference in what kind of energy between the shells of the atom? a.Kinetic energy b.Binding energy c.Potential energy d.There is no difference in energy between the shells - Answers Binding X-rays are classified as a carcinogen by the US government and what other organization a. American cancer society b.World Health Organization c. Center of Disease control d. None of the above - Answers World Health Organization What is the name of the shade of gray assignments given to each pixel in a CT image. - Answers Hounsfield Units All modern scanners made today operate on what type of ct system design a. First Generation design b. Second Generation design c. Third Generation design d. None of the above - Answers Third Generation design MDCT stands for - Answers Multi-detector computed tomography Intravenous contrast is used in what percentage of CT exams a. 25% b. 50% c. 75% d. You always use intravenous contrast for CT exams - Answers 75% To become a CT Technologist you must a. Complete an accredited program b. Pass the ARRT exam in Radiography or Nuclear Medicine c. Train on the job in CT d. Study for and pass the ARRT exam in CT e. All of the above - Answers All of the Above Computerized Tomography is also interpreted as a computer generated image of a "slice" or section. a.True b.False - Answers True The invention of CT has been credited to a.J. Radon b.Oldendorf c.Cormack d.Hounsfield - Answers Hounsfield It could take 2.5 hours for images from the first CT scanner to be processed A: True B: Flase - Answers True First generation scanners operated on the Translate/Rotate system A: True B: False - Answers True The first CT scanner could only scan what anatomy a.Skull b.Abdomen c.Extremities the above - Answers skull The first CT scanner was installed in Atkinson-Morley's Hospital in a.1967 b.1971 c.1917 d.1972 - Answers 1971 Second generation CT scanners differ from first generation CT scanners by g multiple detectors ing 10 degrees instead of one c.Both of the above d.None of the above - Answers Both, all of the above First generation CT scanners could scan the whole body were second generation scanners could not A: True B:False - Answers False Multi-Detector CT systems have a much higher dose rate then conventional CT systems A: True B: False - Answers True CT represents about 15% of diagnostic imaging studies performed today but adisproportionate exposure dose of: y 90% b.80% c.50% d.15% - Answers 90% The largest source of background radiation comes from: a.Cosmic radiation b.Radon gas in homes c.Radioactive materials in the ground d.None of the above - Answers Radon gas in homes Before IV contrast can be given to a patient, we must have a signed consent form. A: True B: False - Answers True The same Oral contrast used in Radiography is used in CT. A: True B: Flase - Answers False Helical CT differs from Conventional CT by: a.The continuous rotation of x-ray tube and movement of the table together b.The super fast scan times c.Both of the above d.None of the above - Answers Both of the above A CT technologists' main role is to minimize patient dose while still maintaining high quality images. A: True B: False - Answers True How many images per breast are performed for a routine Mammogram andwhat are they? - Answers 2/CC and MLO Approximately how many rads is a 4 view mammogram with DigitalMammography - Answers .06 rad How does breast tomosynthesis differ from 2 dimensional Mammography - Answers Slices through the breast are imaged instead of one overall picture of thebreast Does a Mammographer need to be a registered radiologic technologist? A: Yes B: no - Answers Yes Are Mammographers ever involved in invasive breast procedures? A: True/Yes B: False/No - Answers True/yes Mammography: a. is the most accurate and cost effective screening modality available. a perfect test for evaluating breasts. ces regular physical exams and BSE. always diagnostically specific. - Answers A: is the most accurate and cost effective screening modality available. Mammography ________________ a physical and breast self examination. ces the need for d be performed in conjunction sts of of the above - Answers B. Should be performed in conjunction Mammography was actually performed on live patients in: a.1913 b.1930's c.1950 d.1956 - Answers 1930 A routine mammogram consists of: view per breast views total views total views total - Answers Four Views total Compression: I.is necessary II.reduces the amount of radiation received by the patient III.reduces superimposition of the breast tissues IV.holds the breast in place - Answers I, II, III and IV The magnification view is a routine view performed in a mammogram. a.True b.False - Answers True A baseline mammogram should begin at the age of - Answers 40 ethic origin is not considered a major or minot risk factor for Brest cancer True/False - Answers False it is considered a minor risk factor Brest cancer is the leading cause of cancer deaths in women True/False - Answers True with the use of high frequency generator, KVP (penetration) must be increased. True/false - Answers True A complete dental x-ray exam produces more radiation than a complete 4 view mammogram True/False - Answers True one in 20 women in the U.S will die from Brest cancer True/False - Answers False What is the key word that separates this imaging modality from others - Answers interventional how many team members are required to perform a procedure and what are their positions. - Answers 4 members -physician -scrub tech -circulator -monitor tech what are the three main ports of the entry for arterial access - Answers - branchial -radial - femoral once arterial access is achieved where can the interventionist maneuver the catheter and wire - Answers Brain, heart, digestive, pelvic what are the five main avenues for becoming a professional in the cardiac Cath lab - Answers -x-ray tech cross train - registered nurse cross train -registered cardiovascular specialist (RCIS) -Emergency medical technologist (EMT) -Cardiologist- MD specialized in cardiology What imaging energy is used when performing an angiogram a.Ultrasonic waves b.Magnetic field and radio frequency c.Radioisotopes d.X-radiation - Answers X-radiation Why is iodine based contrast media used when performing an angiogram? a.Because the atomic density of the blood and vessel is so similar to the surrounding tissue. b.Because it releases gamma rays which are used to image the vessel. c.Iodine contrast is not injected into the vessel, it is air. d.None of the above. - Answers Because the atomic density of the blood and vessel is so similar to the surrounding tissue. The first angiogram performed was done on a.A dog b.An amputatedhuman hand c.An amputated foot d.A laboratory rat - Answers An amputatedhuman hand The patient table in the interventional suite has capabilities to, a.Raise and lower b.Pivot c.Float the top to position the patient d.All of the abovee.None of the above - Answers All of the Above The interventional suite is stocked with literally $100,000's of supplies. A: True B:False - Answers True Vessel that channels blood to the heart - Answers Vien Vessel that channels blood away from the heart - Answers Artery A moving blood clot within a vessel - Answers Embolus A stationary blood clot within a vessel - Answers Thrombus In most departments the interventional team will include four highly trained health care professionals when performing an intervention a.A specially trained physician (interventional cardiologist or radiologist) b.A scrub tech c.A circulator d.A monitor tech e.A nuclearmedicine techf.A respiratory therapy techg.An echo tech - Answers A specially trained physical A nuclear medicine tech A respiratory therapy tech An echo tech Most hospitals pay an hourly rate while a technologist is on standby (on call) and time and a half when they are called in to perform a procedure. A: True B: Flase - Answers True Most radiographers cross-train into the interventional suite through on the job training rather than attend formal classroom teaching A: True B:False - Answers True Ultrasound uses ionizing radioactive wavelengths to generate a sonographic image A:True B:False - Answers False SONAR stands for Sound navigation and ranging A: True B: False - Answers True Which piece of equipment is necessary to carry out an ultrasound procedure a. Camera b. Transducer c. PAC system d. Thermal scanner - Answers Transducer Ultrasound is used for all of the following except a. Fetal imaging b. Fine needle/tissue biopsy c. Blood vessel imaging d. Fractured pelvis - Answers D. Fractured Pelvis In sonography, echoes are the information returning from the tissues that is useful for anatomic imaging, measurements and diagnosis A: True B: False - Answers Which one of these is not a use for ultrasound in medicine a. Examination of a kidney stone b. Prenatal scan on a pregnant woman c. Breast imaging d. Stopping excessive bleeding during a surgical procedure - Answers D. Stopping Excessive bleeding during a surgical procedure Advantages of ultrasound include all of the following except a. Real-time format imaging b. Increased cost over other imaging systems c. Multiplanar imaging d. Qualitative and quantitative evaluation of blood flow - Answers Which one of the following statements about the role of sonographers is false? a. Sonographers perform ultrasound studies and gather diagnostic data independent of the physician b. Sonographers must possess intellectual curiosity and perseverance c. Sonographers must have a technical aptitude d. Sonographers must be able to communicate on different levels - Answers A;Sonographers perform ultrasound studies and gather diagnostic data independent of the physician Receiver gain allows the sonographer to do what to the echo signals a. Decrease them b. Amplify them c. Receiver gain doesn't change the signals d. None of the above - Answers Amplify Them Time gain can increase the receiver gain at specific depths A: True B: False - Answers True Being a sonographer requires you to work very closely with your patients A: True B: False - Answers True The DMS program encompasses scanning of a. All components of the abdomen b. Pelvic structures c. Obstetrics d. Breast e. All of the above - Answers All of the Above Pelvic,Breast, Obstrical Anencephaly is the absence of a. Abdominal organs b. Pelvic organs c. Cranial vault d. None of the above - Answers Cranial Vault The development of Ultrasound truly began shortly after a.Radio communication in WWI b.SONAR in WWII c.Nuclear testing in WWII d.Just after man first walked on the moon - Answers SONAR in WWII Diagnostic ultrasound uses the frequencies of a.10-15 kHz b.1-20 kHz c.100-1000 Hz d.1-20 MHz - Answers 1-20 MHz In the late 1920's and early 1930's, ultrasound was used primarily for a.Physical therapy b.Sterilization of vaccines c.Cancer treatment d.All of the above - Answers Physical therapy, Sterilization of vaccines, Cancer treatment The higher the transducer frequency, the a.Shorter the wavelength b.Longer the wavelength c.Deeper the penetration depth d.Slower the frame rate - Answers shorter wavelength Frequency is described as a.The distance between the peak of one sound wave to the peak of the next b.The number of oscillations per second c.The propagation of energy that moves back and forth d.None of the above - Answers The number of oscillations per second When a physical pressure is applied to a crystal, an electrical potential is created. This phenomena is termed a.The Doppler effect b.Piezoelectric effect c.Amplitude modulation d.Reflection - Answers Piezoelectric effect The measure of a material's resistance to propagation of sound of termed a.Scattering b.Refraction c.Absorption d.Acoustic Impedance - Answers Acoustic Impedance The Pulse Echo Display Mode that is the simplest type of Ultrasound is a.A-Mode b.B-Mode c.M-Mode d.Real time - Answers A-Mode The display mode that shows time along the horizontal axis and depth along the vertical axisis a.A-Mode b.B-Mode c.M-Mode d.Real time - Answers M-Mode The frequency of sound waves from an object will vary depending on if the object is moving toward the transducer or away from it a.Doppler Effect b.Piezoelectric effect c.Brightness modulation d.Reflection - Answers Doppler Effect T or F With Laminar flow, flow in the center of the vessel is faster the flow at the edges. - Answers True