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RADT465 PROCEDURES

ARRT registry review covering procedures content area

QuestionAnswer
Tibial flafond The distal tibial joint surface that forms the roof of the ankle mortise joint
The relation of distal fibula and distal tibia in a true lateral position? In a true lateral position, the distal fibula is located about 1cm (1/2 inch) posterior in relation to the distal tibia and the lateral malleolus extends about 1 cm (1/2 inch) more distal than the medial malleolus.
Type of ankle joint? Synovial joint of the sellar type with flexion and extension movements only
Which bone is the weight-bearing bone of the lower legs Tibia
Which condition happens sometimes in young persons when the tibial tuberosity separates from the body of the tibia? Osgood-Schlatter disease
T/F: The fibular is located laterally and posteriorly to the tibia True
Different names of the depression on the distal femur where the patellar sits? Intercondylar sulcus, patella sulcus, or trochlea groove
The lateral condyle extends lower or more distally than the lateral condyle when the femoral shaft is vertical. False. The medial condyle extends lower or more distally than the lateral condyle when the femoral shaft is vertical. CR must be angled 5 to 7 cephalad for a lateral knee to cause the 2 condyles to be directly superimposed
T/F: The articular cavity of the knee joint is the largest joint space of the human body True
What is bursa? aka articular capsule of a synovial joint that is a saclike structure that is filled with a lubricating-type synovial fluid
What anatomy is demonstrated on the AP ankle? Medial mortise joint is open and lateral mortise joint is closed
Rotation of the AP Mortise projection? Internally rotate entire leg and foot about 15 to 20 degree
What anatomy is demonstrated on the AP oblique ankle- 45 degree medial rotation? Distal tibiofibular joint opens. Medial malleolus and talus are partially superimposed.
Position of the fibula to the tibia on the true lateral lower leg? Tibial tuberosity is in profile. A portion of the proximal fibular head superimposed by the tibia and the distal fibula is superimposed by the posterior half of the distal tibia.
Correct position of an AP knee? The medial half of the fibula of the fibular head should be superimposed by tibia
Correct position of an AP oblique- medial rotation? The proximal tibiofibular articulation open with the lateralcondyles of the femur and tibia seen in profile. The head and neck of the fibula are visualized without superimposition
Name of the PA projection- Tunnel view: Knee- Intercondylar fossa? Camp Coventry and Holmblad
Name position for sunrise knee? Merchant bilateral method, Inferosuperior projection, Hughston method, Settegast method, and Hobbs method
Different name for inlet and outlet? Superior aperture and inferior aperture
Male pelvis shape? Narrower, deeper, less flared, acute angle, more oval or heart-shaped
Female pelvis shape? Wider, more shallow, more flared, obtuse angle, rounder, larger
T/F: On a lateral femur view, knee joint will not appear open, and distal margins of the femoral condyles will not be superimposed because of divergent x-ray beam True
Skull bone includes? 8 cranial bones and 14 facial bones
Ethmoid sinuses are part of the facial bone structure? False. Only the maxillary sinuses are part of the facial bone structure. The frontal, ethmoid, and sphenoid sinuses are contained within their respective cranial bones.
What is the largest sinus? Maxillary sinuses
What sinuses are visualized on a PA Caldwell projection? The frontal, ethmoid, and maxillary sinuses
What position/projection shows all 4 sinuses? Lateral position, Parietaoacanthial transoral projection (open mouth Waters),and SMV
Each orbit is composed of parts of how many bones? Seven bones: 3 cranial bones (frontal, sphenoid, ethmoid) and 4 facial bones (maxilla, zygoma, lacrimal, and palatine)
Mesocephalic skull The shape of the average head, the width is 75% to 80% of the length, and the petrous pyramids and the MSP form an angel of 47 degree
Brachycephalic skull A short, broad head, the width is 80% or greater than the length, the angle of the MSP and the petrous pyramids is greater than 47
Dolichocephalic skull A long, narrow head, the width is less than 75% the length, the angle of the MSP and the petrous pyramids is less than 47
Five common position errors Rotation, tilt, excessive neck flexion, excessive neck extension, incorrect central ray angle
In which position, the petrous pyramids are projected directly into the orbits? PA skull projection
On an AP Towne method, the dorsum sellae superior to the foramen magnum indicates? Underangulation of CR or insufficient flexion of neck
On an AP Towne method, the posterior arch of C1 superimposed over the dorsum sellae within the foramen magnum and produces foreshortening of the dorsum sellae indicate? Overangulation of CR or excessive flexion
On an AP Towne method, shifting of the anterior or posterior clinoid processed laterally within the foramen magnum indicates? Head tilt
On an SMV projection, correct extension of neck and relationship between IOML and CR as indicated by? Mandibular mentum anterior to the ethmoid sinuses
T/F: Haas method is recommended as an alternative projection of a Towne method when the occipital bone is the area of interest? False. Haas method is not recommended when the occipital bone is the area of interest because of excessive magnification.
CR of lateral facial bones? To zygoma (prominence of the cheek) midway between outer canthus and EAM
On a lateral facial bones projection, superior and inferior separation of symmetric horizontal structures such as the orbital roofs and greater wings of sphenoid indicate? Head tilt
On a facial bones Waters view, when MML is perpendicular to IR, how much is the angle that is formed by OML and IR? 37 degree
CR of an PA Caldwell method for facial bones? Angle CR 15 degree caudad, to exit of nasion
What is the best view to evaluate the orbital rim? Modified Waters method. Orbital floors (plates) are perpendicular to IR, which also provides a less distorted view of the orbital rims than a parietoacanthial (Waters) projection
CR for lateral nasal bones? ½ inch (1.25cm) inferior to nasion
What view is best to look at optic foramina? Rhese method
How the condyle is demonstrated on the axiolateral projection (Schuller method)? Closed mouth image demonstrates the condyle within the mandibular fossa; the condyle moves to the anterior margin of fossa in the open mouth position
On the lateral sinuses, to visualize this fluid, how much time should wait for the fluid to settle after patient’s position has been changed? At least 5 minutes
Which position is an ideal position for duodenal bulb and C-loop of the duodenum? RAO upper GI
Which part of the stomach is filled with barium on the AP abdomen projection? Fundus of stomach
Total capacity of the bladder? 350 to 500ml
How much volume of the urine when the desire to void arises? 250ml
On an RPO position: intravenous urography, which side of kidney is best demonstrated? Left kidney. The kidney on elevated side is placed in profile or parallel to the IR and is best demonstrated with each oblique.
On an RPO position: intravenous urography, which side of ureter is best demonstrated? Right ureter. The downside ureter is projected away from the spine, providing an unobstructed view of this ureter.
What is C1-C2 joint classification? Synovial joints with diarthrodial, or freely movable, plane (or gliding) movement
What is occipitoatlantal joint classification? Synovial joint with diarthrodial movement, ellipsoid (or condyloid) movement
What is demonstrated on the posterior oblique cervical spine? Intervertebral foramina and pedicles on the side farthest from the IR
What is demonstrated on the lateral cervical spine? Cervical vertebral bodies, intervertebral joint spaces, articular pillars, spinous process, and zygapophyseal joints
Patient position and CR for Fuchs method? MML perpendicular to IR, CR parallel to MML, directed to inferior tip of mandible
Which view of the thoracic spine that demonstrates the intervertebral foramina? Lateral
What is demonstrated on the anterior oblique thoracic spine? The downside zygapophyseal joints
How to position the patient on the oblique thoracic spine? Rotate the body 20 degree from true lateral to create 70 degrees oblique from plane of table
What is demonstrated on the oblique lumbar spine? Z joints (PO show downside, AO show upside)
Which view demonstrates the intervertebral foramina of the lumbar spine? Lateral view
Carpal bones Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, Hamate
Tarsal bones Calcaneus, Talus, Cuboid, Navicular, First, Second, and Third cuneiforms
Created by: trangng