Radtech Simulation Examination 1

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1/105 Questions

Absorption of the x-ray beam is called
- Scatter Radiation
- Absorption
- Attenuation
- Remnant radiation

About This Quiz

This is your Radtech Simulation 1 for HAAD and other Gulf Exams.
The questions here are encountered last month based on feed backs from Gulf Countries.
You would be given 120 minutes to answer 100 items.
Passing Score would be 70 %
This is a LIMITED TAKEN TEST so You need a STRONG INTERNET CONNECTION to take this properly.
Correct Answers See morewill be displayed after the test, so Don't Exit Immediately.
For more information please consult with our webmaster.

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2.

A moving grid is called a
- Collimator
- Cassette
- Bucky
- Detent
Correct Answer

A. Bucky

Explanation

A moving grid is called a Bucky.

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3.

A device to hold the film
- Bucky
- Cassette
- Tube housing
- Collimator
Correct Answer

A. Cassette

Explanation

The correct answer is "cassette". A cassette is a device used to hold the film in medical imaging. It is a container that securely holds the film and protects it from damage. The cassette is designed to fit into the bucky, which is a tray that holds the cassette in place during the imaging process. The cassette also houses the tube, which is the part of the imaging machine that emits the radiation, and the collimator, which controls the direction and shape of the radiation beam. Overall, the cassette is an essential component in medical imaging as it ensures the proper positioning and protection of the film.

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4.

An imaginary line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is called
- Tube port
- Collimator
- Radiation field
- Central ray
Correct Answer

A. Central ray

Explanation

The central ray is an imaginary line in the center of the x-ray beam that is perpendicular to the long axis of the x-ray tube. It represents the central path of the x-ray beam and is used to determine the direction and alignment of the x-ray beam during imaging procedures. It is an important concept in radiography as it helps ensure accurate and consistent positioning of the x-ray beam for optimal image quality and patient safety.

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1
5.

Sometimes called filmless systems
- Computed radiography
- CT
- MRI
- CAT Scan
Correct Answer

A. Computed radiography

Explanation

Computed radiography (CR) is a type of medical imaging technique that uses a flexible plate coated with a photostimulable phosphor. When exposed to x-rays, the phosphor stores the energy from the radiation. The plate is then processed using a laser scanner, which releases the stored energy as light. This light is converted into a digital image that can be viewed on a computer screen. CR is often referred to as filmless because it eliminates the need for traditional x-ray film. It is commonly used in conjunction with other imaging modalities like CT, MRI, and CAT scan to provide detailed and accurate diagnostic images.

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1
6.

This area is separated from the x-ray room by a lead barrier to protect the limited operator from scatter radiation during exposures.
- Control console
- Waiting room
- Control booth
- X-ray booth
Correct Answer

A. Control booth

Explanation

The area that is separated from the x-ray room by a lead barrier to protect the limited operator from scatter radiation during exposures is called the control booth. This booth provides a safe space for the operator to control the x-ray machine and monitor the imaging process without being exposed to harmful radiation.

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7.

The access point for the limited operator to set the exposure factors and to initiate the exposure
- Control booth
- Control console
- Control area
- Transformer housing
Correct Answer

A. Control console

Explanation

The correct answer is control console. The control console is the access point for the limited operator to set the exposure factors and initiate the exposure. It is the central control panel where the operator can adjust and manipulate various settings and parameters related to the exposure process. The control console allows the operator to have direct control and oversight over the exposure, making it the most appropriate choice among the given options.

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8.

A special mechanism that tends to stop a moving part in a specifi c location
- Collimator
- Cassette
- Tube housing
- Detent
Correct Answer

A. Detent

Explanation

A detent is a special mechanism that tends to stop a moving part in a specific location. It provides a locking or holding function to prevent unintentional movement or displacement. In the context of the question, the detent is likely used in a device or equipment such as a collimator, cassette, or tube housing to ensure that a particular part or component remains in a fixed position.

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1
9.

Consists of the x-ray film and the film holder
- Image receptor
- Cassette
- Upright cassette holder
- Detent
Correct Answer

A. Image receptor

Explanation

The correct answer is "image receptor" because it refers to the component that captures the x-ray image. In this case, it consists of the x-ray film and the film holder, which together form the image receptor. The other options mentioned, such as cassette, upright cassette holder, and detent, are not specifically related to the image receptor itself.

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10.

An “unseen” image is called a(an)
- Image receptor (IR)
- Radiation field
- Latent image
- Negative
Correct Answer

A. Latent image

Explanation

A latent image refers to an "unseen" image that is formed on a photosensitive surface, such as film or a digital sensor, after exposure to radiation. This image is not immediately visible and requires further processing, such as development or digital processing, to become visible. Therefore, the term "latent image" accurately describes an "unseen" image.

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2
11.

The cross section of the x-ray beam at the point where it is used is called the
- Scatter radiation
- Radiation field
- Remnant radiation
- Scatter radiation fog
Correct Answer

A. Radiation field

Explanation

The cross section of the x-ray beam at the point where it is used is called the radiation field. This refers to the area or region where the x-ray beam is present and can have an effect. It is important to define and understand the radiation field in order to ensure proper safety measures and accurate dosages when working with x-ray equipment.

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12.

The x-ray beam that exits on the opposite side of the patient.
- Radiation field
- Scatter radiation fog
- Scatter radiation
- Remnant radiation
Correct Answer

A. Remnant radiation

Explanation

Remnant radiation refers to the x-ray beam that exits on the opposite side of the patient after passing through the body. This radiation is produced by the interaction of the x-rays with the patient's tissues. It is called "remnant" because it is the portion of the original x-ray beam that remains after being attenuated by the patient's body. This remnant radiation can contribute to scatter radiation, which is the scattered x-rays that can cause fogging on the radiographic image. Therefore, remnant radiation is the correct answer in this context.

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13.

Radiation that is scattered or created as a result of the attenuation of the primary x-ray beam by matter.
- Scatter radiation fog
- Radiation field
- Scatter radiation
- Latent image
Correct Answer

A. Scatter radiation

Explanation

Scatter radiation refers to the radiation that is scattered or created when the primary x-ray beam is attenuated by matter. This means that when the primary x-ray beam interacts with an object, some of the radiation is scattered in different directions. Scatter radiation can cause a phenomenon known as scatter radiation fog, which can reduce image quality and clarity. Therefore, the correct answer is scatter radiation.

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1
14.

The unwanted image exposure caused by scatter radiation is called
- Scatter radiation fog
- Latent image
- Remnant radiation
- Attenuation
Correct Answer

A. Scatter radiation fog

Explanation

Scatter radiation fog refers to the unwanted image exposure caused by scatter radiation. Scatter radiation occurs when radiation is deflected or scattered in different directions after interacting with matter, such as the patient's body. This scattered radiation can reach the image receptor and cause fogging, resulting in a decrease in image contrast and clarity. Therefore, the correct answer is scatter radiation fog.

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15.

Anatomic structures that have greater ______ density (mass), such as bone.
- Detent
- Bone
- Muscle
- Tissue
Correct Answer

A. Tissue

Explanation

Anatomic structures that have greater tissue density (mass), such as bone, are referring to structures in the body that have a higher concentration of tissue. Tissue refers to a group of cells that work together to perform a specific function. In this context, bone is an example of an anatomic structure with greater tissue density because it is made up of specialized cells and extracellular matrix that give it its strength and density.

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16.

The table may also tilt in the opposite direction, allowing the head end to be lowered at least 15 degrees into the ____________________________ position.
- Head down
- Trendelenburg
- Feet up
- Prone
Correct Answer

A. Trendelenburg

Explanation

The trendelenburg position refers to a position in which the head end of the table is lowered while the feet end is raised. This position allows for the head to be tilted at least 15 degrees below the horizontal level. Therefore, the correct answer is trendelenburg.

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2
17.

The x-ray tube is surrounded by a lead-lined _________________
- Tube housing
- Tube port
- Upright cassette holder
- Control booth
Correct Answer

A. Tube housing

Explanation

The x-ray tube is surrounded by a lead-lined tube housing to protect the surrounding environment from radiation exposure. The lead lining helps to absorb and block the radiation emitted by the x-ray tube, preventing it from escaping and potentially harming people nearby. The tube housing acts as a protective barrier, ensuring that the radiation remains contained within the x-ray machine and does not pose a risk to patients, healthcare professionals, or anyone else in the vicinity.

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1
18.

X-rays that are traveling in a useful direction exit the housing through an opening called the _________________
- Tube port
- Collimator
- Tube housing
- Image receptor
Correct Answer

A. Tube port

Explanation

The correct answer is tube port. The tube port is the opening in the housing of an X-ray machine through which the X-rays that are traveling in a useful direction exit. This allows the X-rays to be directed towards the target area or patient. The tube port is an essential component that helps to control and direct the X-ray beam.

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19.

A device to hold the IR in the upright position for radiography
- Upright cassette holder
- Cassette
- Image receptor
- Bucky
Correct Answer

A. Upright cassette holder

Explanation

An upright cassette holder is a device used in radiography to hold the image receptor (IR) in an upright position. This allows for the capture of X-ray images while the patient is standing or sitting. The cassette, which contains the IR, is placed in the upright cassette holder, ensuring that it remains stable and properly aligned during the imaging process. The Bucky, on the other hand, refers to a device that is used to hold and move the cassette during radiography, but it does not specifically refer to holding the IR in an upright position.

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20.

The ______________ exits the tube port.
- X-ray beam
- Radiation field
- Central ray
- Scatter radiation
Correct Answer

A. X-ray beam

Explanation

The x-ray beam exits the tube port. This means that after being generated in the x-ray tube, the beam of x-rays passes through the tube port, which is the opening in the x-ray machine where the x-rays are emitted. The x-ray beam then continues on its path to interact with the patient or the imaging receptor.

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1
21.

The source of x-rays is the
- X-ray tube
- Radiation field
- X-ray beam
- Radiation field
Correct Answer

A. X-ray tube

Explanation

An x-ray tube is a device that generates x-rays by accelerating electrons towards a metal target. When the electrons hit the target, they produce x-rays through a process called bremsstrahlung radiation. Therefore, the x-ray tube is the source of x-rays in medical imaging.

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22.

When were x rays discovered?
- 1985
- 1988
- 1895
- 1890
Correct Answer

A. 1895

Explanation

X-rays were discovered in 1895. Wilhelm Conrad Roentgen, a German physicist, accidentally discovered X-rays while experimenting with cathode rays. He noticed that a fluorescent screen in his lab started to glow even though it was not directly exposed to cathode rays. Further investigation revealed that a new type of ray was being emitted, which he called X-rays. This discovery revolutionized the field of medicine and led to significant advancements in imaging technology.

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23.

Who discovered the x ray?
- W.d coolidge
- W.c.roentgen
- O.walkhoff
- Dr. kells
- Dr. morton
Correct Answer

A. W.c.roentgen

Explanation

W.C. Roentgen is credited with the discovery of X-rays. In 1895, while experimenting with cathode rays, he noticed a fluorescent screen in his lab was glowing even though it was not directly exposed to the cathode rays. He concluded that a new type of ray was being emitted, which he named X-rays. Roentgen's discovery revolutionized the field of medicine and had numerous applications in various industries.

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1
24.

An older term given x radiation in honor of its discoverer
- X ray
- Gamma ray
- Roentgen ray
- Scattered ray
Correct Answer

A. Roentgen ray

Explanation

The correct answer is "roentgen ray." This term was given to x radiation in honor of its discoverer, Wilhelm Conrad Roentgen. Roentgen ray is an older term used to describe this type of radiation. X ray, gamma ray, and scattered ray are not specifically associated with Roentgen and therefore are not the correct answer.

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1
25.

Who is believed to have exposed the prototype of the first dental x ray film?
- A. cieszynski
- Otto walkhoff
- C. edmund kells
- Wilhelm conrad roentgen
Correct Answer

A. Otto walkhoff

Explanation

Otto Walkhoff is believed to have exposed the prototype of the first dental x-ray film.

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26.

Who introduced the hot cathode tube?
- W.d.coolidge
- W. roentgen
- F. mcCormack
- C.e. kells
Correct Answer

A. W.d.coolidge

Explanation

W.D. Coolidge is credited with introducing the hot cathode tube.

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27.

Who designed the "long cone" to use with the paralleling technique?
- W.d coolidge
- W.roentgen
- G.m fitzgerald
- C.e. kells
Correct Answer

A. G.m fitzgerald

Explanation

G.M. Fitzgerald is the designer of the "long cone" used with the paralleling technique.

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28.

Who is considered to be the first advocate for the science of ratiation protection?
- W. price
- W.rollins
- A. cieszynski
- F. mcCormack
Correct Answer

A. W.rollins

Explanation

W. Rollins is considered to be the first advocate for the science of radiation protection.

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29.

Who is given credit for suggesting the bisecting technique?
- A. cieszynski
- W. rollins
- O.walkhoff
- G.m. fitzgerald
Correct Answer

A. A. cieszynski

Explanation

Cieszynski is given credit for suggesting the bisecting technique.

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1
30.

Who is given credit for suggesting the paralleling technique?
- F. mcCormick
- H.r raper
- W.d coolidge
- C.e. kells
Correct Answer

A. F. mcCormick

Explanation

McCormick is given credit for suggesting the paralleling technique.

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31.

X rays were discovered in 1895 by W. C. Roentgen, who called them X rays because their nature was at first unknown; they are sometimes also called Roentgen, or Röntgen, rays.
- True
- False
Correct Answer

A. True

Explanation

X rays were indeed discovered in 1895 by W. C. Roentgen, who named them X rays because their nature was initially unknown. They are also commonly referred to as Roentgen or Röntgen rays. Therefore, the statement "X rays were discovered in 1895 by W. C. Roentgen" is true.

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2
32.

The technique shown in this image is known as what?
- The bisecting-angle technique
- The mandible technique
- The maxiallry technique
- The parallel technique
Correct Answer

A. The parallel technique

Explanation

The technique shown in the image is called the parallel technique. In this technique, the X-ray beam is directed parallel to the long axis of the tooth, and the film or sensor is placed parallel to the tooth being examined. This technique is commonly used in dental radiography to obtain a clear and accurate image of the tooth and surrounding structures.

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33.

Absorbed dose is the energy deposited in a small volume of matter (tissue) by the radiation beam passing through the matter divided by the mass of the matter. What unit, in the International System of quantities and units, is Absorbed Dose measured in?
- The gray
- The rad
- The sievert
- The joule
Correct Answer

A. The gray

Explanation

Absorbed dose is measured in joules/kilogram, and a quantity of 1 joule/kilogram has the special unit of gray (Gy) in the International System of quantities and units. (In terms of the older system of radiation quantities and units previously used, 1 Gy equals 100 rad, or 1mGy equals 0.1 rad.)

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34.

Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography?
- CT scan
- Ultrasound scan
- MRI scan
- Flouroscopy scan
Correct Answer

A. CT scan

Explanation

CT scan gives some of the highest radiation doses in diagnostic radiography. This is because CT scans use X-rays to create detailed cross-sectional images of the body. X-rays are a form of ionizing radiation, which can cause damage to cells and DNA. The high dose of radiation used in CT scans is necessary to obtain clear and detailed images, but it also poses a higher risk of radiation exposure compared to other diagnostic scans such as ultrasound or MRI scans, which do not use ionizing radiation. Fluoroscopy scans also use X-rays, but they typically have lower radiation doses compared to CT scans.

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35.

Where on a dog are the retroarticular foramen and hypoglossal canal located?
- Leg
- Skull
- Spine
- Pelvis
Correct Answer

A. Skull

Explanation

The retroarticular foramen and hypoglossal canal are located on the skull of a dog. These structures are important for the passage of nerves and blood vessels. The retroarticular foramen is a hole located behind the jaw joint, allowing the passage of nerves and blood vessels to the muscles of the jaw. The hypoglossal canal is a canal located in the base of the skull, through which the hypoglossal nerve passes to innervate the muscles of the tongue.

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36.

Absorbed dose is the energy deposited in a small volume of matter (tissue) by the radiation beam passing through the matter divided by the mass of the matter. What unit, in the International System of quantities and units, is Absorbed Dose measured in?
- The gray
- The rad
- The sievert
- The joule
Correct Answer

A. The gray

Explanation

Absorbed dose is measured in joules/kilogram, and a quantity of 1 joule/kilogram has the special unit of gray (Gy) in the International System of quantities and units. (In terms of the older system of radiation quantities and units previously used, 1 Gy equals 100 rad, or 1mGy equals 0.1 rad.)

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37.

X-rays are produced when fast moving electrons collide with a metal target. The energy carried in the electrons is converted to x-rays and heat. What percentage of that energy is turned into x-rays?
- 1%
- 35%
- 70%
- 99%
Correct Answer

A. 1%

Explanation

When fast moving electrons collide with a metal target, the energy they carry is converted into x-rays and heat. Out of that energy, only 1% is turned into x-rays.

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38.

Some veterinary DR x-ray camera systems can lose image quality fairly quickly. The image quality of these CCD (Charged Coupled Device) digital x-ray systems is effected over time by all of the following EXCEPT...
- Moving parts
- Condensation
- Room lighting
- Temperature
Correct Answer

A. Room lighting

Explanation

The image quality of veterinary DR x-ray camera systems can deteriorate over time due to various factors. Moving parts, condensation, and temperature can all have an impact on the image quality. However, room lighting does not affect the image quality of these CCD digital x-ray systems.

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39.

Which of the following statements are INCORRECT
- Screws, Pins, and Dental Implants are approved for MRI
- Pediatric Patients over the age of 10 can receive contrast
- A patient with a tissue expander can receive an MRI on the 1.5T
- We do not sedate any patients, however patients are allowed to take a sedative prior to their exam
Correct Answer

A. A patient with a tissue expander can receive an MRI on the 1.5T

Explanation

The statement that a patient with a tissue expander can receive an MRI on the 1.5T is incorrect. Tissue expanders typically contain metal components, which can cause artifacts and distortions in the MRI images. Therefore, patients with tissue expanders are not recommended to undergo MRI scans on the 1.5T machine.

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0
40.

PET stands for:
- Proton Emission Tomography
- Positron Emission Tomography
- Parkinson's Epileptic Tomography
- Positron Electric Tomography
Correct Answer

A. Positron Emission Tomography

Explanation

Positron Emission Tomography (PET) is a medical imaging technique that uses radioactive tracers to detect and measure metabolic activity in the body. It is commonly used in the diagnosis and monitoring of various diseases, including cancer, neurological disorders, and cardiovascular conditions. PET scans provide detailed images of the body's organs and tissues, allowing doctors to identify abnormalities and assess the effectiveness of treatments. The use of positron-emitting radionuclides distinguishes PET from other imaging modalities and enables the visualization of metabolic processes in real-time.

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1
41.

The glucose based radiopharmaceutical contrast that is injected into the patient is known as:
- FDG
- FGD
- GDF
- FED
Correct Answer

A. FDG

Explanation

FDG stands for Fluorodeoxyglucose, which is a glucose-based radiopharmaceutical contrast agent. It is used in medical imaging, particularly in positron emission tomography (PET) scans, to visualize and detect metabolic activity in the body. FDG is injected into the patient and is taken up by cells in the body, particularly in areas with high glucose metabolism such as cancer cells. The radioactive properties of FDG allow it to emit signals that can be detected by the PET scanner, enabling the visualization of abnormal tissues or diseases.

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42.

A PET Scan can distinguish between a benign and malignant disorder (between deal or alive tissue)
- True
- False
Correct Answer

A. True

Explanation

A PET scan, or Positron Emission Tomography scan, is a medical imaging technique that can help distinguish between benign and malignant disorders. This is because PET scans can detect metabolic activity in tissues, allowing doctors to identify areas of abnormal cell growth or activity. By analyzing the patterns of metabolic activity, medical professionals can determine whether the tissue is benign (non-cancerous) or malignant (cancerous). Therefore, it is true that a PET scan can differentiate between a benign and malignant disorder.

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43.

A Mammography is a
- CT of the Breast
- MRI of the Breast
- X-ray of the Breast
- Mammo of the Breast
Correct Answer

A. X-ray of the Breast

Explanation

Mammography is a type of imaging technique that uses X-rays to examine the breasts. It is commonly used for breast cancer screening and can detect early signs of abnormalities such as tumors or cysts. Unlike CT scans or MRIs, which provide more detailed images of the internal structures, mammography focuses specifically on the breast tissue. Therefore, the correct answer is X-ray of the Breast.

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1
44.

A screening mammogram is
- A test to check for breast cancer in women who have no signs or symptoms of the disease
- Involves 5 X rays of each breast
- Done after a diagnostic mammogram
- Performed by an Ultrasound Technologist
Correct Answer

A. A test to check for breast cancer in women who have no signs or symptoms of the disease

Explanation

A screening mammogram is a test that is performed to check for breast cancer in women who do not have any signs or symptoms of the disease. It involves taking 5 X-rays of each breast. It is not done after a diagnostic mammogram and is typically performed by a radiologist or a mammography technologist, not an ultrasound technologist.

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1
45.

A Bone Density Test looks for
- Osteoporosis, or risk of osteoporosis
- Where a broken bone is
- Abnormal bone growth
- None of the above
Correct Answer

A. Osteoporosis, or risk of osteoporosis

Explanation

A Bone Density Test is a medical procedure used to determine the density or strength of a person's bones. It is primarily done to diagnose osteoporosis or assess the risk of developing osteoporosis. Osteoporosis is a condition characterized by weak and brittle bones, making them more prone to fractures. By measuring bone density, the test can identify if a person has osteoporosis or is at risk of developing it. The test does not look for broken bones or abnormal bone growth; its main focus is on assessing bone density and the associated risk of osteoporosis.

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46.

Ultrasound or a Sonogram is generally described as a
- "safe test because it does not use mutagenic ionizing radiation"
- "the most hazardous of tests"
- "complex and lengthy exam"
- "not approved for pediatric patients"
Correct Answer

A. "safe test because it does not use mutagenic ionizing radiation"

Explanation

Ultrasound or a Sonogram is considered a safe test because it does not use mutagenic ionizing radiation. Unlike other imaging techniques such as X-rays or CT scans, ultrasound uses high-frequency sound waves to create images of the body. These sound waves are harmless and do not have the potential to cause DNA damage or mutations in cells. Therefore, ultrasound is a preferred imaging modality, especially for pregnant women and pediatric patients, as it poses no known risks or harmful effects.

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2
47.

What is a breast sterotactic biopsy?
- A procedure done on a MRI machine to show abnormal growth
- A procedure that only looks for abnormal growth using US and Mammography Images.
- It is a special mammography procedure that uses ionizing radiation to help guide the radiologist's instruments to the site of the abnormal growth.
- Is performed by a X-ray Technologist
Correct Answer

A. It is a special mammography procedure that uses ionizing radiation to help guide the radiologist's instruments to the site of the abnormal growth.

Explanation

The correct answer is that a breast stereotactic biopsy is a special mammography procedure that uses ionizing radiation to help guide the radiologist's instruments to the site of the abnormal growth. This means that the procedure involves using mammography images and radiation to accurately locate and biopsy abnormal growth in the breast. It is not performed on an MRI machine and does not involve ultrasound or X-ray technologists.

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1
48.

You are asked to schedule a patient for a scan that requires contrast. In the history you learn that the patient just received a Kidney Transplant. The next step, is to ask for blood work.
- True
- False
Correct Answer

A. True

Explanation

After learning that the patient just received a kidney transplant, it is important to ask for blood work before scheduling the scan that requires contrast. This is because contrast agents used in scans can potentially cause kidney damage, and in the case of a recent kidney transplant, it is crucial to ensure that the patient's kidney function is stable and can tolerate the contrast. Therefore, asking for blood work is necessary to assess the patient's kidney function and determine if it is safe to proceed with the scan.

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49.

If you do have to obtain blood work, the two values that you are most interested in knowing are...
- WBC and Hematocrit
- BUN and Creatinine
- CO2 and Sodium
- BUN and CO2
Correct Answer

A. BUN and Creatinine

Explanation

BUN (blood urea nitrogen) and creatinine are two values that are commonly measured in blood work to assess kidney function. BUN is a waste product that is filtered by the kidneys, and an elevated level may indicate kidney dysfunction. Creatinine is a waste product produced by muscles and is also filtered by the kidneys. An elevated creatinine level can be a sign of impaired kidney function. Therefore, monitoring these two values can provide important information about the health of the kidneys.

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Quiz Created by
Cy_u

Radtech Simulation Examination 1

Absorption of the x-ray beam is called

Quiz Preview

A moving grid is called a

A device to hold the film

An imaginary line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is called

Sometimes called filmless systems

This area is separated from the x-ray room by a lead barrier to protect the limited operator from scatter radiation during exposures.

The access point for the limited operator to set the exposure factors and to initiate the exposure

A special mechanism that tends to stop a moving part in a specifi c location

Consists of the x-ray film and the film holder

An “unseen” image is called a(an)

The cross section of the x-ray beam at the point where it is used is called the

The x-ray beam that exits on the opposite side of the patient.

Radiation that is scattered or created as a result of the attenuation of the primary x-ray beam by matter.

The unwanted image exposure caused by scatter radiation is called

Anatomic structures that have greater ______ density (mass), such as bone.

The table may also tilt in the opposite direction, allowing the head end to be lowered at least 15 degrees into the ____________________________ position.

The x-ray tube is surrounded by a lead-lined _________________

X-rays that are traveling in a useful direction exit the housing through an opening called the _________________

A device to hold the IR in the upright position for radiography

The ______________ exits the tube port.

The source of x-rays is the

When were x rays discovered?

Who discovered the x ray?

An older term given x radiation in honor of its discoverer

Who is believed to have exposed the prototype of the first dental x ray film?

Who introduced the hot cathode tube?

Who designed the "long cone" to use with the paralleling technique?

Who is considered to be the first advocate for the science of ratiation protection?

Who is given credit for suggesting the bisecting technique?

Who is given credit for suggesting the paralleling technique?

X rays were discovered in 1895 by W. C. Roentgen, who called them X rays because their nature was at first unknown; they are sometimes also called Roentgen, or Röntgen, rays.

The technique shown in this image is known as what?

Absorbed dose is the energy deposited in a small volume of matter (tissue) by the radiation beam passing through the matter divided by the mass of the matter. What unit, in the International System of quantities and units, is Absorbed Dose measured in?

Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography?

Where on a dog are the retroarticular foramen and hypoglossal canal located?

Absorbed dose is the energy deposited in a small volume of matter (tissue) by the radiation beam passing through the matter divided by the mass of the matter. What unit, in the International System of quantities and units, is Absorbed Dose measured in?

X-rays are produced when fast moving electrons collide with a metal target. The energy carried in the electrons is converted to x-rays and heat. What percentage of that energy is turned into x-rays?

Some veterinary DR x-ray camera systems can lose image quality fairly quickly. The image quality of these CCD (Charged Coupled Device) digital x-ray systems is effected over time by all of the following EXCEPT...

Which of the following statements are INCORRECT

PET stands for:

The glucose based radiopharmaceutical contrast that is injected into the patient is known as:

A PET Scan can distinguish between a benign and malignant disorder (between deal or alive tissue)

A Mammography is a

A screening mammogram is

A Bone Density Test looks for

Ultrasound or a Sonogram is generally described as a

What is a breast sterotactic biopsy?

You are asked to schedule a patient for a scan that requires contrast. In the history you learn that the patient just received a Kidney Transplant. The next step, is to ask for blood work.

If you do have to obtain blood work, the two values that you are most interested in knowing are...