BLAST from the PAST
The annual occupational effective dose limit?
50 mSv
Where are basivertebral veins located?
within the vertebral column
In the coronal section of the nasal cavity, the right and left sides are separated by which 3 structures?
1. Crista galli
2. Perpendicular plate
3. Vomer
U-shaped bone in the neck that and has lesser and greater horns on each side.
Hyoid bone
In which of the vertebrae is the spinous process often bifid?
cervical spine
Protects personnel from secondary radiation?
Protective apparel (aprons or barriers)
All are components of the mediastinum EXCEPT?
esophagus
trachea
aorta
thoracic spine
thoracic spine
Bone often referred to as the keystone of the cranium?
Sphenoid Bone
What structures come together to form the Larynx?
Hint - 3 structures
hyoid bone, thyroid cartilage, and cricoid cartilage
The _______ is composed of five fused vertebral segments.
Sacrum
Monthly fetal dose should not exceed?
Pneumonic trick for remembering the Sternal Angle of Louis?
RAT PLANT
The brain and spinal cord are covered by which three meningeal layers?
Dura mater, Arachnoid mater, and Pia mater.
Vein is found in the superficial neck?
External jugular vein
In imaging of the sagittal spine the spinal nerves exit through the ______________.
Intervertebral Foramina
AKA: Incoherent, Inelastic, or Modified Scattering
Responsible for most of the scattered radiation during radiologic procedures.
Can be directed:
Forward as small-angle scatter
Backward as backscatter
Side as side scatter
Compton Scatter
The vagus nerve is part of the parasympathetic nervous system, so it helps to keep us ____ and _______.
calm and balanced
Junction of several important arteries at the bottom part of the brain.
Hint - It helps blood flow from both the front and back sections of the brain :-)
Circle of Willis
Structures found deep in the neck?
Hint - artery & vein
Common carotid artery
Internal jugular vein
The ________________ is the bundle of nerves below the conus medullaris.
Cauda equina
Compton Scatter is an outer shell interaction or inner shell interaction?
Outer shell
Network of nerves in the shoulder that carries movement and sensory signals from the spinal cord to the arms and hands.
Brachial plexus
Which arteries provide most of the blood to the brain?
The internal carotid and vertebral arteries
All Important Circle of Willis is composed of five main arteries. Please list them
•Internal carotid artery (left and right)
•Anterior cerebral artery (left and right)
•Anterior communicating artery
•Posterior cerebral artery (left and right)
•Posterior communicating artery (left and right)
Lateral C-Spine images demonstrate which two structures?
•intervertebral spaces
•zygapophyseal joints