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sonosim occular Questions and Verified
Answers
Which of the following statements best characterizes ocular ultrasound?
Ans: The characteristics of the eye are favorable for ultrasonographic inspection.
The presence of glaucoma or an acute hyphema does not inhibit ocular ultrasonographic
evaluation of the posterior segment.
Ans: T
Ocular ultrasound is contraindicated in the traumatized eye.
Ans: F
Which of the following statements is (are) incorrect?
A. The ora serrata is an anterior attachment site for the retina.
B. Involvement of the macula is a key determinant of the timing of surgery following
retinal detachment.
C. Measurement of the optic nerve sheath diameter can help estimate intracranial
pressure.
D. A and B only
E. None of the above
Ans: E
Sonographically, the normal retina can be readily distinguished from underlying
choroidal layers.
Ans: False
Which of the following structures is normally hyperechoic?
Ans: Cornea
Which of the following probes is ideal for performing ocular ultrasound?
Ans: Linear high-frequency probe
The appropriate technique for ocular ultrasound examination includes __________.
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A. application of generous amounts of coupling gel on top of the eyelid
B. imaging along both axial and sagittal planes of the eye
C. starting the exam with the patient looking forward with lids closed
D. All of the above
E. None of the above
Ans: All
Which of the following is not an ultrasonographic finding seen with globe rupture?
A. Anterior chamber collapse
B. Decrease in size of the globe
C. Buckling of the sclera
D. Optic nerve sheath diameter greater than 6 millimeters
E. All of the above
Ans: D
The ultrasonographic appearance of a normal lens is __________.
A. a hyperechoic outline with an anechoic center
B. isoechoic to the vitreous cavity
C. a hyperechoic line with reverberation artifact
D. hyperechoic and free floating in the vitreous cavity
E. None of the above
Ans: A
Ocular ultrasonography is a useful method for detecting intraocular foreign bodies.
A. True
B. False
Ans: True
Studies suggest that optic nerve sheath sonography is a helpful noninvasive method of
detecting intracranial hypertension.
Ans: True
An optic nerve sheath diameter greater than 3 millimeters should be considered a
pathologic finding in an adult.
A. True
B. False
Ans: False
The technique for measuring optic nerve sheath diameter involves __________.
sonosim occular Questions and Verified
Answers
Which of the following statements best characterizes ocular ultrasound?
Ans: The characteristics of the eye are favorable for ultrasonographic inspection.
The presence of glaucoma or an acute hyphema does not inhibit ocular ultrasonographic
evaluation of the posterior segment.
Ans: T
Ocular ultrasound is contraindicated in the traumatized eye.
Ans: F
Which of the following statements is (are) incorrect?
A. The ora serrata is an anterior attachment site for the retina.
B. Involvement of the macula is a key determinant of the timing of surgery following
retinal detachment.
C. Measurement of the optic nerve sheath diameter can help estimate intracranial
pressure.
D. A and B only
E. None of the above
Ans: E
Sonographically, the normal retina can be readily distinguished from underlying
choroidal layers.
Ans: False
Which of the following structures is normally hyperechoic?
Ans: Cornea
Which of the following probes is ideal for performing ocular ultrasound?
Ans: Linear high-frequency probe
The appropriate technique for ocular ultrasound examination includes __________.
, Page | 2
A. application of generous amounts of coupling gel on top of the eyelid
B. imaging along both axial and sagittal planes of the eye
C. starting the exam with the patient looking forward with lids closed
D. All of the above
E. None of the above
Ans: All
Which of the following is not an ultrasonographic finding seen with globe rupture?
A. Anterior chamber collapse
B. Decrease in size of the globe
C. Buckling of the sclera
D. Optic nerve sheath diameter greater than 6 millimeters
E. All of the above
Ans: D
The ultrasonographic appearance of a normal lens is __________.
A. a hyperechoic outline with an anechoic center
B. isoechoic to the vitreous cavity
C. a hyperechoic line with reverberation artifact
D. hyperechoic and free floating in the vitreous cavity
E. None of the above
Ans: A
Ocular ultrasonography is a useful method for detecting intraocular foreign bodies.
A. True
B. False
Ans: True
Studies suggest that optic nerve sheath sonography is a helpful noninvasive method of
detecting intracranial hypertension.
Ans: True
An optic nerve sheath diameter greater than 3 millimeters should be considered a
pathologic finding in an adult.
A. True
B. False
Ans: False
The technique for measuring optic nerve sheath diameter involves __________.
