Term
Pt position for a lateral skull: |
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Definition
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Term
Part position for a lateral skull: |
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Definition
- MSP of head parallel to IR - IPL perpendicular to IR - IOML parallel to transverse axis of cassette |
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Term
The CR enters _" superior to the EAM on a lateral skull. |
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Definition
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Term
Part position for PA/PA axial skull (Caldwell): |
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Definition
- OML perpendicular to IR plane - MSP perpendicular to IR - IR centered to nasion |
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Term
The CR for a PA axial skull (Caldwell) is angled __ degrees ______ and exits the _____. |
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Definition
- 15 degrees caudad - exits the nasion |
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Term
The CR for a PA skull is angled __ degrees and exits the _____. |
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Definition
- 0 degrees (perpendicular) - exits the nasion |
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Term
The PA/PA axial skull is preferred over the AP/AP axial because the resulting image is less: |
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Definition
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Term
Part position for AP/AP axial skull (inverse Caldwell): |
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Definition
- MSP & OML perpendicular to IR |
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Term
Part position for AP axial (Towne method) skull: |
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Definition
- MSP perpendicular to IR - OML or IOML perpendicular to IR |
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Term
The CR for an AP axial (Towne method) skull is directed __ degrees ______ to the OML or __ degrees ______ to the IOML and exits the _______ _______. |
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Definition
- OML = 30 degrees caudal - IOML = 37 degrees caudal - exits the foramen magnum |
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Term
What is the part position for PA axial (Haas) skull / aka inverse Towne? |
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Definition
- MSP perpendicular to IR - OML perpendicular to IR |
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Term
The CR for a PA axial (Haas) is directed at a _______ angle of __ degrees to the OML. It enters a point __" below the external occipital protuberance and exits __" superior to the nasion. |
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Definition
- 25 degrees cephalad to the OML - Enters 1.5" (3.8 cm) below the external occipital protuberance - Exits 1.5" (3.8 cm) superior to the nasion |
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Term
What is the part position for an SMV skull (Schuller)? |
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Definition
- MSP perpendicular to IR - IOML parallel with IR |
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Term
On an SMV skull, the CR enters the MSP of the throat between the angles of the _______. It passes through the _____ ______ at a point __" anterior to the level of the EAM. |
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Definition
- enters between angles of the mandible - passes through the sella turcica 3/4" (1.9 cm) anterior to the level of the EAM |
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Term
Name 2 structures that are seen in profile on a lateral skull: |
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Definition
1. Orbital roofs 2. Sella turcica |
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Term
In a PA skull, the ______ ridges fill up the orbits, and the _____ ____ is located in-between the superior orbital margins. |
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Definition
1. Petrous 2. Crista galli |
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Term
On a Caldwell skull, the petrous ridges lie in the _____ ___ of the orbits. |
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Definition
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Term
What anatomy is projected within the foramen magnum on a Towne skull? |
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Definition
Dorsum sellae and posterior clinoid processes |
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Term
On an SMV skull, what anatomy is projected within the foramen magnum? |
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Definition
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Term
When giving a patient a signed consent form it is imperative that the radiographer tell the patient his/her rights; name them: |
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Definition
- the right to read the signed consent - the right to have somebody else read the signed consent to him/her - the right to have someone else explain the signed consent to him/her in detail |
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Term
Are abbreviations allowed on a signed consent form? |
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Definition
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Term
A signed consent form is a ____ document. |
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Definition
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Term
Who must be the last person to sign a consent form? |
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Definition
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Term
Is a VCUG a sterile procedure? |
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Definition
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Term
(True or False) All sterile procedures are invasive. |
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Definition
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Term
(True or False) All invasive procedures are sterile. |
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Definition
False - not all invasive procedures are sterile |
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Term
Aseptic technique is aka what? |
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Definition
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Term
The uterine tubes open into the _________ cavity. |
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Definition
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Term
What are the three parts of the uterine tubes? (medial to lateral) |
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Definition
1. Isthmus 2. Ampulla 3. Infundibulum |
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Term
The uterus is situated in the central part of the ______ cavity. |
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Definition
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Term
A uterus of a woman who has never given birth: |
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Definition
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Term
The four parts of the uterus: (superior to inferior) |
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Definition
1. Fundus 2. Body 3. Isthmus 4. Cervix |
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Term
The inner mucosal lining of the uterine cavity: |
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Definition
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Term
Abnormal erosion of the endometrium that causes a lot of bleeding and is a contraindication of an HSG: |
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Definition
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Term
An HSG is a radiographic-diagnosis procedure, but it also has a ________ potential. |
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Definition
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Term
What is the prep for an HSG? |
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Definition
- performed 10 days after menstruation (avoids irradiating a fertilized egg) - no sex for 10 days prior to exam - Blood pregnancy test the day of the exam |
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Term
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Definition
KUB (CR 2" superior to pubis symphysis) |
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Term
What specialized catheter is used for an HSG? |
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Definition
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Term
What overhead images are usually taken during an HSG? |
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Definition
AP, two 45 degree obliques, and post suction |
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Term
Is the contrast used for an HSG water soluble? |
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Definition
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Term
What are the two divisions of the CNS? |
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Definition
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Term
What are the two different tissue portions of the CNS? |
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Definition
- gray matter = outer portion/cortex - white matter = inner portion |
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Term
The ____ substance of the spinal cord forms an H-shape seen on transverse sectional images. |
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Definition
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Term
The spinal cord extends from the brain to the L_ - L_ space. |
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Definition
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Term
Cauda equina refers to spinal nerves and literally means: |
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Definition
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Term
What are the 3 layers of the meninges: (deep-shallow) |
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Definition
1. Pia mater 2. Arachnoid 3. Dura mater |
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Term
The three continuous, protective membranes that enclose the brain and the spinal cord: |
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Definition
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Term
The inner sheath membrane of the meninges. It is highly vascular and closely adhered: |
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Definition
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Term
The delicate central sheath membrane of the meninges: |
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Definition
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Term
The widest of subarachnoid cisterns. It is located in the lower posterior fossa between the base of the cerebellum and the dorsal surface of the medulla oblongata. It works as a filter to stop certain chemicals from reaching the brain: |
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Definition
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Term
A wide space between the arachnoid and pia mater. It is continuous with the ventricular system: |
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Definition
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Term
Areas of subarachnoid space that are increased in width: |
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Definition
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Term
The outermost meningeal layer. It is strong and fibrous: |
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Definition
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Term
What is the name of the sac that encloses the cauda equina? |
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Definition
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Term
A general term applied to the radiologic examination of the CNS structures situated in the vertebral canal. It requires contrast introduction into the subarachnoid space by spinal puncture: |
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Definition
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Term
The spinal puncture for a Myelogram is made at the L_ - L_ space or the L-_ - L_ space. |
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Definition
L2 - L3 or L3 - L4
On quiz/test may say between L2 and L5 |
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Term
The thecal sac is commonly located between L_ and L_. |
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Definition
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Term
Is the contrast for a myelography injected (above/below/in) the spinal cord? |
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Definition
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Term
How long are patients who have had a myelogram held in recovery before being allowed to be released home? |
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Definition
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Term
During a myelogram, CSF is usually withdrawn to check what? |
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Definition
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Term
Caffeine is sometimes given to the pt S/P myelogram because it is a _____________ that prevents leakage of contrast into the brain, and it keeps the contrast in the spinal canal longer to improve diagnostic quality for follow-up CT. |
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Definition
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Term
Instructions to give to pt to avoid spinal headache: |
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Definition
- rest for 24 hrs - drink extra clear fluids |
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Term
What type of contrast does a Sialogram require? |
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Definition
Oil based iodinated contrast |
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Term
How many pairs of salivary glands are there? |
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Definition
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Term
Name the 3 pairs of salivary glands: |
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Definition
1. Parotid 2. Submandibular 3. Sublingual |
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Term
The salivary glands produce about _ L of saliva per day. |
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Definition
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Term
What is the largest pair of salivary glands? |
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Definition
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Term
What is the smallest pair of salivary glands? |
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Definition
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Term
Arthrography is only performed on what type of joints? |
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Definition
synovial joints that have at least one bursa |
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Term
The wrist has how many chambers? How many injections of contrast media are needed on a wrist arthrogram? |
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Definition
3 chambers; 3 different injections |
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Term
The radiologist accesses the bursa of a joint with what type of needle? |
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Definition
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Term
What are the common projections of a wrist arthrogram? |
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Definition
- PA - Lateral - Both obliques |
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Term
Hip arthrograms are most often performed to: |
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Definition
- evaluate congenital hip dislocation in children - detect loose hip prosthesis in adults - Confirm infection in adults |
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Term
Shoulder arthrograms are most often performed to evaluate: |
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Definition
- partial or complete tears in the rotator cuff or glenoid labrum - persistent pain or weakness - frozen shoulder |
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Term
In which joints can double contrast be used during an arthrogram? |
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Definition
the shoulder and knee joints |
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