General Procedural Questions
Which technique helps control patient movement during radiography?
Explain exam well, make patient comfortable, use positioning aids
In which positions/projections will the talocalcaneal joint be visualized?
AP axial (plantodorsal) calcaneous
how is the glenoid fossa demonstrated in profile?
AP oblique projection – Grashey method
How much separation of the posterior ribs indicates rotation on a lateral chest?
1/4 - 1/2 in
What separates the abdominal cavity from the thoracic cavity?
diaphragm
What CR direction and degree is used for an AP knee when the ASIS-to-tabletop distance is less than 19 cm?
5 degrees caudal
what structure(s) articulates with bases of the metatarsals?
Cuneiforms and cuboid
For the PA oblique projection (scapular Y) of the shoulder, the body is rotated so that the midcoronal plane is how many degrees from the IR?
45-60
What is the carina and where is it located?
Tracheal bifurcation – T4-5
What are the clinical indications for an Acute Abdominal Series (4)
free air, bowel obstruction, infection, ascites
What is the term for the outer lining of the abdominopelvic cavity?
parietal peritoneum
What position best demonstrates the carpal interspaces?
AP wrist
The lateral expanded projection of the scapula that articulates with the clavicle is the
acromion process
Why are chest images performed PA rather than AP?
Decrease heart magnification
Describe the anatomy visualized on a KUB.
Kidneys, lower liver margin, psoas muscles, etc
When performing a KUB, what landmark ensures the bladder is included?
symphysis pubis
Which tarsal bone articulates with the tibia and fibula?
talus
Describe the inferosuperior axial of the shoulder and include the Rafert modification.
Abduct arm 90 degrees, medial angulation 15-30 degrees
How many ribs are considered true ribs?
1-7
Define peritoneum, mesentery, omentum, and mesocolon
Peritoneum - double walled sac like serous membrane
Mesentery - attaches intestines
Omentum - double fold peritoneum from stomach to organs
Mesocolon - peritoneum attaching colon
All of the following terms are used to describe “body positions,” except
RAO
axial
oblique
prone
axial
What is the name of the largest sesamoid bone?
patella
Which of the following projections require(s) that the humeral epicondyles be superimposed?
1. Lateral thumb 2. Lateral wrist 3. Lateral humerus
2. Lateral wrist & 3. Lateral humerus
Which projection best demonstrates the sternum?
RAO - PA Oblique
What is described as the "fatty apron"
greater omentum