RADIOGRAPHER ONLINE EXAM PRACTICE KIT 17
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If there is a decrease in source- to – object distance, what happens to recorded detail?
This results in magnification of the image
The amount of lead in a grid is referred to as:
If there is an increase in added filtration, what happend to contrast?
The beam wavelength becomes predominantly shorter, which makes it more penetrating. Therefore , contrast will go down.
If collimation is severely tightened, what happens to radiographic density?
As collimated is tightened without technique compensation , fewer rays strike the patient.
If a cylinder cone is added,what effect is there on radiographic contrast?
There is a decrease in the number of Compton interactions as the area being ir-radiated is limited.This is true regardless of whether compensation is made by adjustment of mAs.
If the focal spot is changed from large to small, what happens to radiographic density?
Focal spot size controls recorded detail,not density.
If kVp is changed when using anAEC,what happens to radiographic density?
Changing kVp while using automatic exposure controls has no effect on density.
What occurs when an incident electron interact with the force field of an atomic nucleus?
This causes the production of x-rays and heat at the anode.
What occurs when an incident photon interact with an outershell electron,producing a scatter photons and arecoil electrons?
This occurs in the patient and produces scatter.
What occurs when an incident electron dislodges a K- shell electron?
This causes the production of x-rays and heat at the anode
A low signal to noise ratio(SNR) provides an image with:
Degraded visibility of anatomy on a digital image may be caused by?
For the parietocanthial projection(waters) for the sinuses, the OML forms an angle of how many degress with the cassette?
For the Pa signal axial projection for the colon , the central ray is angled caudad how many degress?
The carpal bones are arranged in two rows as follows:
Be sure to review the placement of the carpal bones.
The prominent point of the elbow is called:
Two similar answers such as A and D usually indicate one of them is the correct answer.
Imaging of what pathological condition would require radiography of the cervical spine?
The Jeffersonfracture is a comminuted fracture of the rings of the atlas.
Imaging of what pathological condition would require radiography of the hand?
A boxer’s fracture is a traverse fracture through the distal radius
Imaging of what pathological condition would require radiography of the distal forearm?
A Colle’s fracture is a traverse fracture through the distal radius.
Imaging of what pathological condition would require radiography of the feet?
Talipes is another term for clubfoot.
Imaging of what pathological condition would require radiography of the entire spine?
Ankylosing spondylitis is an inflammatory disease of the spine that causes fusion of the joints involved.
The structure designated as I
The structure designated as II is the:
The structure designated as III is the:
The structure designated as IV is the:
The structure designated as V is the:
The structure designated as VI is the:
Be sure to know all the major anatomy of the hand and wrist and be able to identify it on radiographs and drawings
The structure designated as I is the:
The structure designated as II is the:
The structure designated as III is the:
The structure designated as IV is the:
The structure designated as V is the:
Be sure to know all the major anatomy of the elbow and be able to identify it on radiographs and drawings
The structure designated as I is the:
The structure designated as II is the:
The structure designated as III is the:
The structure designated as IV is the:
The structure designated as V is the:
Be sure to know all the major anatomy of the vertebrae and be able to identify it on radiographs and drawings
The structure designated as I is the:
The structure designated as II is the:
The structure designated as III is the:
The structure designated as IV is the:
Be sure to know all the major anatomy of the lower leg and be able to identify it on radiographs and drawings
The structure designated as I is the:
The structure designated as III is the:
The structure designated as III is the:
The structure designated as IV is the:
The structure designated as V is the:
The structure designated as VI is the:
Be sure to know all the major anatomy of the shoulder gridle and be able to identify it on radiographs and drawings
Critique Figure 7-21
Choice A is incorrect because this is a radiograph of a lower leg.Choice B is incorrect because the tibia and fibula should be superimposed.Choice C is incorrect because both joints should be included
The radiograph in figure 7-22 illustrates what region?
Although it is seldom performed, this T-tube cholangiogram shows the hepatobiliary ductwork
Critique Figure 7-23.
Be sure to review the anatomy visualized on the elbow obliques.
Critique figure 7-24
This is the only choice that places the skull in atrue lateral
Critique figure7-25
Note the placement of the petrous ridge
The structure designated as I is the:
The structure designated as II is the:
The structure designated as III is the:
The structure designated as IV is the:
The structure designated as V is the:
Be sure to know all of the major anatomy of the “scotty dog” and be able to identify it on radiographs and drawings
The lateral transthoracic humerus,oblique sternum, and lateral thoracic spine may be imaged best by using a technique called:
Automography involves placing superimposing structures in motion while the x-ray tube and IR remain stationary
A patient unable to supinate the hand for an anteroposterior (AP) projection of the forearm:
Knowing the effect of injuries helps with positioning of the patients and prevent further injury.
When a posteroanterior(PA) axial projection of the clavicle is performed, the central ray should be angled?
This is a PA axial projection of the clavicle, so the tube angulation is cauded.The tube angulation is cephalad for the AP axial projection.
When a lateral projection of the knee is performed,the knee should be:
Note the use of a range in the answer . This is what you will probably encounter on the ARRT exam?
When a tangential projection of the patella is performed with the patient prone, the central ray should be angled?
Use of which of the following would provide an improved image of the femur?
Place the proximal femur (the thicker part of the thigh) under the cathode portion of the x-ray beam. A trough filter is used for chest radiography.
When an AP projection of the hip is performed, the central ray is directed:
Know those exact centering ponts
When an AP oblique projection is performed for the lumbar vertebrae, the side of interest is:
This is an AP oblique
When an PA oblique projection is performed for the sacroiliac joints is performed, the side of interest is:
This is a PA oblique
Routine chest radiography is performed:
The second inspiration would be deeper than just a single inspiration. This is a more complete and descriptive answer than choice A
The primary purpose of performing oblique projection of the ribs:
Be sure you know why certain projections are used.
When an Ap oblique projection is performed for the cervical vertebrae , the cental ray is directed:
If this were a PA oblique projection,choice B would be correct.
When the PA projection of the skull is performed to image the frontal bone:
1.The central ray is directed perpendicular to the cassette
2.The OML is perpendicular to the cassette
3. The central ray exits at the glabella
4. MSP is parallel to cassette
Choice 3 is incorrect because the cenral ray exits at the nasion when the frontal bone is being examined. Choice 4 is incorrect because the MSP is perpendicular to the cassette.
The suffix that means “condition” is:
The suffix that means “disease ” is:
Bradycardia indicates a pulse of:
Normal adult respiration is:
Another correct answer would be ” if the OML formed a 53 degree angle from the perpendicular”.
The radiographer must be proficient in the use of which of the following medical instruments?
The key word is must although radiographers should also be preficient in taking blood pressure. As radiographers “scope of particular expands, so will the need to be proficient in the use of a wide range of mediacal instruments. Be aware that in the same states oxygen is considered as medication.
A tube used to feed a patient or to perform gastric suction is called a:
Be familiar with all tubes you may encounter in patient care.
Nosocomial infections are acquired:
These area also called “health care acquired”.
During movement and transfer of patients , urinary catheter bags should be:
Retrograde flow of urine commonly causes bladder infections.
The first task must be performed when begining a radiographic examination of a patient is to:
Be sure to wash hands before begining the exam.
Which of the following is not required for valid consent?
This questions asks which item is not required for valid consent. a consent form is not always used.
The prefix that means “around is”
The prefix that means ” many ” is
A system uses barriers between individuals and assumes all patients are infections is called:
Always observed standard precautions with evey patient.
When you are performing patient care in radiology:
Handwashing is the number one method for preventing the spread of infection.
Patient transfer from cart to x-ray table should be performed:
This protects the patient and the radiographer from injury.
Your best source for the latest information regarding standard precautions is the:
Be sure to know what other departments to consult for relevant information.
After all radiographic or fluroscopic procedures, the radiographers should use ………………………… to clean surfaces with which the patient was in contact
This is a better answer than A, especially because alcohol is not always used.
When sterile fields are prepared,damp packages:
Be sure to review the facts about sterile technique.
When radiography is performed on patients in isolation, the IR
This protects both the patient and the equipment from contamination
Which of the following procedures should a radiographer be prepared to assist with at any time?
Patient care is an integral part of radiography resposibility
When mobile radiography is performed, the mobile unit?
Portable machines go everywhere. Be certain that they are cleaned according to protocol
In addition to performing radiography on a trauma victim,the radiographer should be
1.Assessing the patients condition continually
2. Interpreting the radiographs for the emergency department physician
3. Taking additional projections as indicated by the patient’s conditions or preliminary radiographs
4. Keeping all other healthcare workers out of the room because of radiation protection standard
Choice 2 is incorrect because this is beyond the scope of practice.Choice 4 is incorrect because in a trauma situation,other health care workers need to be in a room and should be provided with lead protection
For a barium enema, the contrast agentshould be mixed with:
This helps reduce cramping
All iodinated contrast media used totally contain:
Some are nonionic , which rules out A and B. Contrast agents are not pure iodine, which rules out choice C.
The highest incidence of contrast agent reactions occur with the use of:
Be aware of the possible complications when using these agents. Know all the detail of these pharamecuticals.
It is important for the radiographer to obtain the recent history of radiographic examination performed on a patient so that:
Although it does not occur often,recent exams involving iodinated contrast media should be brought to the radiologist’s attention.
For a patient with a history of intravenous urography and no contrast agent reactions:
You can never assume there will be no reactions. Choice B is incorrect because other contrast examinations would include barium studies, which would not have a risk of reaction
A negative contrast agent used in chest radiography and some arthography is:
A positive contrast agent administered to the patient who is going to surgery is:
Barium is a surgical contaminant
In an attempt to maintain the quality of patient care at the highest level possible over time, proof of continuingeducation is manadatory for renewal of certification with:
As a professional , you need to know the continuing education requirements of your chosen field. Be sure to know your state’s statuatory requirement as well.
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