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FREE RADIOLOGY AND STUDY GAMES ABOUT CH 20 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -28 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: glabella
Answer:
the smooth, slightly raised triangular area between and slightly superior to the eyebrows and above the ridge of the nose
Question 2: supraorbital groove, or SOG
Answer:
a slight groove or depression that is slightly above the superciliary ridge above each eye
Question 3: outer canthus
Answer:
the more lateral junction of the eyelids
Question 4: canthi
Answer:
the junctions of the upper and lower eyelids
Question 5: midsagittal, or median, plane (MSP)
Answer:
divides the body into left and right halves; for every AP and PA or lateral projection of the cranium, the midsagittal plane is perpendicular to or parallel to the plane of the IR.
Question 6: auricle, or pinna
Answer:
external portion of the ear; the large flap of ear made of cartilage
Question 7: mentomeatal line (MML)
Answer:
formed by connecting the mental point to the EAM
Question 8: inion
Answer:
the most prominent point of the external occipital protuberance; a posterior extension of the IOML approximates the location of the anion
Question 9: nasion
Answer:
located at the junction of the two nasal bones and the frontal bone
Question 10: lipsmeatal line (LML)
Answer:
a line from the junction of the lips to the EAM
Question 11: orbitomeatal line (OML)
Answer:
located between the outer canthus (midlateral orbital margin) and the EAM
Question 12: auricular point
Answer:
the center point of the EAM opening
Question 13: superciliary ridge (arch)
Answer:
that ridge or arch of bone that extends across the forehead directly above each eye
Question 14: interpupillary (IPL), or interorbintal, line
Answer:
a line that connects the pupils or the outer canthi of the patient's eyes; when head is placed in a true lateral position, the inter-pupillary line must be exactly perpendicular to the plane of the IR.
Question 15: inner canthus
Answer:
where the eyelids meet near the nose
Question 16: tragus
Answer:
the small cartilaginous flap that covers the opening of the ear
Question 17: glabelloalveolar line (GAL)
Answer:
connects the glabella to a point at the anterior aspect of the alveolar process of the maxilla
Question 18: angle, or gonion
Answer:
refers to the lower posterior angle on each side of the jaw or mandible
Question 19: glabellomeatal lie (GML)
Answer:
the most superior positioning line between the glabella and the EAM; slightly above the eyebrow arch
Question 20: infraorbital margin, or IOM
Answer:
the inferior rim of the bony orbit of the eye
Question 21: mental point
Answer:
triangular area of the chin as it appears from the front
Question 22: acanthiomeatal line (AML)
Answer:
formed by connecting the acanthion to the EAM
Question 23: EAM, or external acoustic meatus
Answer:
the opening of the external ear canal
Question 24: TEA
Answer:
refers to the superior attachment of the auricle, or part where the side frames of eyeglasses rest; corresponds to the highest level of the petrous ridge
Question 25: midlateral orbital margin
Answer:
that portion of the lateral rim of the bony orbit of the eye that is near the outer canthus of the eye
Question 26: supraorbital margin, or SOM
Answer:
the superior rim of the bony orbit of the eye
Question 27: infraorbitomeatal line (IOML)
Answer:
formed by connecting the infraorbital margin to the EAM; also known as Reid's base line, or anthropologic base line
Question 28: acanthion
Answer:
the midline point at the junction of the upper lip and the nasal septum; where the nose and upper lip meet