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RT Mini Mock #1
Mini Mock #1, body habitus, landmarks, lines
Question | Answer |
---|---|
The amount of radiation deposited per unit length of tissue traversed by incoming photons is called: | Linear energy transfer |
Cataractogenesis, life span shortening, embryological effects, and carcinogenesis are examples of? | Long term somatic effects |
Compton interaction: | decreases contrast in the radiographic image |
An ionization chamber circuit places: | an ionization chamber between the IR and the patient |
Full wave rectification uses: | four silicon based semiconductors |
What is the purpose of a grid? | to remove scatter radiation from the remnant beam |
What is the proper list of substances that make up the human body listed from least dense to most dense? | Air, fat, water, muscle, bone, tooth enamel |
Bit depth describes? | the available gray scale of an imaging system |
If it is necessary to reduce radiographic density by half, and it is impossible to do so by changing mAs, the radiographer may: | decrease kVp by 15% |
For the parietoacanthial projection (waters) for the sinuses, the OML forms an angle of how many degrees with the cassette? | 37 |
For the PA axial projection for the colon, the central ray is angled caudad how many degrees? | 30 to 40 |
The carpal bones are arranged in two rows as follows: | Proximal row(scaphoid,lunate,triqueral,pisiform) Distal row(trapezium,trapezoid,capitate,hamate) |
The prominent point of the elbow is called the: | Olecranon, part of the ulna |
Imaging of what pathological condition would require radiography of the c-spine? | Jefferson's fracture |
What is a fracture of the distal radius in the forearm with dorsal (posterior) displacement of the wrist and hand? | Colles' fracture |
What is talipes? | club foot |
The suffix that means "condition" is: | -osis |
The suffix that means "disease" is: | -pathy |
Bradycardia indicates a pulse of: | less than 60 beats per minute |
Hypersthenic | massive build, 5% of population |
Sthenic | average build, 50% of population |
Hyposthenic | slender build, 35% of population |
Asthenic | very slender build, 10% of population |
What is the level of the vertebra prominens? | C7-T1 |
What is the level of the jugular notch? | T2-T3 |
What is the level of the sternal angle? | T4-T5 |
What is the level of the xiphoid process? | T9-T10 |
What is the level of the inferior costal (rib) margin? | L2-L3 |
What is the level of the iliac crest? | L4-L5 |
What is the level of the anterior superior iliac spine (ASIS)? | S1-S2 |
What is the level of the greater trochanter and symphysis pubis? | 1 inch inferior to distal coccyx |
What is the level of the ischial tuberosity? | 1-2 inches inferior to distal coccyx |
What is the OML? | orbitomeatal line |
What is the IOML? | infraorbitomeatal line |
What is the IPL? | interpupillary line |
What is the SOML? | super orbitomeatal line |
What is the GML? | glabellomeatal line |
What is the AML? | acanthiomeatal line |
What is the GAL? | glabelloalveolar line |
What is the recumbent position with the whole body tilted so the head is lower than the feet? | Trendelenburg |
What is the recumbent position with the body tilted so that the head is higher than the feet? | Fowlers |
What is the MML? | mentomeatal line |
What is the LML? | lipsmeatal line |
What is the name of C1? | atlas |
What is the name of C2? | axis |
What 3 bones make up the innominate bone? | ilium, ischium, and pubis |
What 2 facial bones are not paired? | vomer and mandible |
What are the 4 cranial sutures? | saggital, coronal, lambdoid, squamosal |
After a Myelography how long does the patent need to stay laying down? | 2-4 hours |