mixed review deck 9

Question 1

At what vertebral level is the mastoid process?

Answer 1

C1

Question 2

At what vertebral level is the gonion?

Answer 2

C3

Question 3

What anatomic landmark(s) are at the level of the coccyx?

Answer 3

symphysis pubis and greater trochanter

Question 4

The ASIS is at what vertebral level?

Answer 4

S1-2

Question 5

The lower costal margin is at what vertebral level?

Answer 5

L2-3

Question 6

Name 2 ways to localize C7

Answer 6

top of the shoulders OR vertebra prominens

Question 7

What vertebra is located approximately 2 inches superior to the jugular notch?

Answer 7

T1

Question 8

The suprasternal notch is a/k/a …

Answer 8

the jugular notch

Question 9

What anatomic landmark is found at the level of T9-10?

Answer 9

the xiphoid tip

Question 10

At what vertebral level is the hyoid bone?

Answer 10

C3-C4

Question 11

The iliac crest is at the level of …

Answer 11

L4 (L4-5, most sources list L4)

Question 12

The suprasternal (jugular) notch is at the level of ..

Answer 12

T2-T3

Question 13

T7 can be located … (2 ways!)

Answer 13

7-8 inches below the vertebra prominens; level of the inferior scapular angle

Question 14

What vertebral level is the sternal angle?

Answer 14

T4-5

Question 15

The umbilicus is at approximately what level, on the average patient?

Answer 15

L3-4

Question 16

What is the only view of the skull/head in which the petrous ridges should fill the orbits?

Answer 16

PA (straight PA, no tube angle)

Question 17

The petrous ridges should be WHERE for a Waters view? What about a modified Waters for facial bones?

Answer 17

Waters: below the maxillary sinuses
Modified Waters: lower 1/3 of maxillary sinuses

Question 18

A PA axial (Haas method) (a/k/a Reverse Towne) is useful for patients who are ____. It will show the ____ region.
The ____ is perpendicular to the IR, and the CR is directed ____ degrees ____.

Answer 18

kyphotic
occipital
OML
CR is 25 degrees cephalad to enter 1.5 inches inferior to the inion

Question 19

Both the AP Axial Towne and the Haas method will show the ___ within the foramen magnum

Answer 19

dorsum sellae

Question 20

If you need to visualize the sphenoid sinuses and your patient cannot extend the neck sufficiently for an SMV view, what other projection could you do?

Answer 20

Open-mouth Waters

Question 21

Axiolateral oblique mandible: the central ray is directed how many degrees and in what direction?

Which portions of the mandible are demonstrated at the 4 different possible levels of obliquity?

Answer 21

25 degrees cephalad (entering the body of the upside mandible, downside is of interest)

Head in true lateral: ramus
10-15 degree toward IR: general survey
30 degrees toward IR: body
45 degrees: mentum

Question 22

The Law (axiolateral oblique) TMJ method directs the CR …

The Schuller (axiolateral) method for TMJ directs the CR …

Answer 22

Law: head is 15 degrees toward the IR, and the CR is 15 degrees caudad

Schuller: true lateral head, CR is 25-30 degrees caudad

Question 23

4 views of the orbits (PER ARRT CONTENT SPECS!)

Answer 23

lateral
Caldwell
Waters and Modified Waters

Question 24

What quantity of radiation exposure to the reproductive organs is required to cause temporary infertility?

Answer 24

2000 mGy (2 Gy)

Question 25

Rubeola requires ____ precautions

Answer 25

Airborne (particles stay suspended up to 2 hours)

Question 26

What is VRE and what type of precautions does it require?

Answer 26

Vancomycin resistant enterococci, contact precautions

Question 27

Adenovirus is a common cause of _____ illness and requires _____ precautions

Answer 27

Respiratory; contact

Question 28

An AP of the right ilium requires the patient's ____ side to be elevated ____ degrees

Answer 28

Left, 40

Question 29

In a posterior oblique pelvis (Judet method), placing the affected side down will demonstrate the _____ acetabular rim and the posterior ______ column

Answer 29

Anterior, ilioischial

Question 30

Hemovac or Penrose drains are usually used for...

Answer 30

Tissue drainage of wounds or postoperative drainage

Question 31

For the Judet method, thr affected side is normally imaged as both the upside and down side. So for the right acetabulum, you would do what 2 45 degree oblique positions? What would be the CR in each case?

Answer 31

One RPO and one LPO For the right acetabulum, the LPO focuses on the upside, CR 2 inches distal to upside ASIS. For the RPO, focused on the downside acetabulum, CR is 2 inches distal AND medial to the downside ASIS

Question 32

For the Judet method for the right acetabulum, the LPO will show what 2 key pieces of anatomy on the upside acetabulum? The RPO should show what 2 key pieces of anatomy on the downside?

Answer 32

LPO: upside posterior rim of acetabulum and anterior iliopubic column RPO, downside anterior rim of acetabulum and posterior ilioischial column

Question 33

Images obtained using DXA (dual x-ray absorptiometry) bone densitometry... (choose which apply) 1. Are used to evaluate the accuracy of the region of interest (ROI) 2. Are used as evaluation for various bone/joint disorders 3. Reflect the similar attenuation properties of soft tissue and bone

Answer 33

1 only The images only evaluate that the ROI is accurate; they are not diagnostic

Question 34

DXA is the most widely used method of... And is used to evaluate...

Answer 34

Bone densitometry BMD (bone mineral density)

Question 35

For atelectasis, technique should be...

Answer 35

Increased

Question 36

How do the transverse processes appear on an oblique C spine?

Answer 36

On end

Question 37

What forms the lateral aspect of the obturator foramen?

Answer 37

The ischium

Question 38

US department of Justice penalty for knowingly disclosing a patient’s protected health information?

Answer 38

$50,000 and up to 1 year in prison

Question 39

Barium filled structures are often imaged using ___ kVp or more to ____

Answer 39

120; to penetrate the barium (see through to structures behind)

Question 40

Give approximate average male and female pubic angle measurements

Answer 40

Male: 50 to 60 degrees Female: 80 to 85 degrees

Question 41

What's the difference between the male and female acetabulum?

Answer 41

Male: large, faces laterally Female: smaller, faces anteriorly

Question 42

Hematologic depression and radiation induced lethality both exhibit what dose-response relationship?

Answer 42

Nonlinear threshold

Question 43

The supinator fat stripe is located just anterior to the ______ and, when visible on a lateral elbow, most likely indicates ______.

Answer 43

Radial neck Fractures of the radial head

Question 44

During IV urography, the prone position is recommended to demonstrate (3 things)

Answer 44

Ureteropelvic region Inferior calyces Ureters

Question 45

Per NCRP guidelines, the occupational dose limit for the extremities is ____ times the limit for non radiation workers (the public)

Answer 45

10 (Occupational, 500 mSv Public, 50 mSv)

Question 46

Inherent filtration provides ____ mm of the required ____ mm Al eq

Answer 46

0.5 2.5 0.5 is inherent--glass envelope and oil Added 1 mm is collimator, the rest is aluminum sheets