FREE RADIOLOGY AND STUDY GAMES ABOUT SKULL

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FREE RADIOLOGY AND STUDY GAMES ABOUT SKULL

POSITIONING EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -24 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: If the patient is unable to do PA skull, what can be done?

Answer:

AP skull

Question 2: What line is also known as the radiographic baseline?

Answer:

OML - orbitomeatal line

Question 3: SMV is also known as??

Answer:

Schuller method or submentovertical projection

Question 4: EAM

Answer:

external auditory meatus

Question 5: Where does the central ray enter in the Townes AP axial of the skull?

Answer:

Enters approx. 2-21/2" above the glabella

Question 6: IOML

Answer:

infraorbitomeatal line Question 7: In this projection the mandibular rami, orbital roofs, mastoids, EAM, TMJ's are superimposed, Dorsum sellae is viewed, sella turcica seen in profile.

Answer:

Right/Left lateral

Question 8: The CR exits the _____ _____ in the Townes skull.

Answer:

foramen magnum

Question 9: OML is the abbreviation of _______ _____.

Answer:

orbitomeatal line

Question 10: The CR enters ______.

Answer:

Perpendicular to 2" superior to the EAM Question 11: In the Townes (AP Axial), the patient is placed ______ with the ______ perpendicular.

Answer:

Supine, IOML

Question 12: What is the routine for skull?

Answer:

Townes, Right Lateral, Left Lateral, PA(SMV @ POI & TLI)

Question 13: What view is being described:Patient prone, head rested on forehead and nose.OML and MSP perpendicular. CR perpendicular through nasion.

Answer:

PA Question 14: In the right/left lateral, the patient is prone, the MSP is ____, IOML is _____, and the IPL is ______.

Answer:

horizontal, parallel, perpendicular

Question 15: In the cross table lateral what is best demonstrated?

Answer:

sphenoid sinus effusion which is indicative of a basilar skull fracture Question 16: The central ray is angled ____ degrees _____ in the Townes AP axial of the skull.

Answer:

37; caudal

Question 17: What is being demonstrated in the Townes skull.

Answer:

Dorsum sellaeand posterior clinoid processes visible within foramen magnum, occipital bone, poserior portion of parietal bones Question 18: I the patient is unable to be placed in AP axial Townes, what can be done?

Answer:

PA Haas method Question 19: How would your CR enter if the main purpose was to examine the sella turcica in the right/left lateral?

Answer:

CR enter 3/4" superior and 3/4" anterior to the EAM Question 20: If the SMV is contraindicated by the patients condition, what should be done?

Answer:

VSM (verticosubmental projection)

Question 21: What is demonstrated in the SMV skull.

Answer:

Superimposition of mandibular symphysis over anterior frontal bone, sphenoidal sinuses, cranial base, foramen ovale and spinosum

Question 22: Describe the positioning for the SMV of skull.

Answer:

Patient supine or upright. Center MSP to film. Extend neck as far back as possible and rest head on vertex. MSP perpendicular. IOML parallel Question 23: CR perpendicular to IOML through sella turcica3/4" anterior to EAM and entering between angles of mandible. What view is being described?

Answer:

SMV

Question 24: What is demonstrated in the PA skull.

Answer:

Frontal bone, petrous ridges filling the orbits, crista galli, ethmoid sinus, dorsum sellae