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Radiology of the Hip and Knee

Which structures are represented by A and B in the AP pelvis X-ray shown below?

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A: Sacral ring, B: Obturator foramina

A: Pelvic ring, B: Acetabular ring

A: Obturator foramen, B: Acetabular ring

A: Pelvic ring, B: Sacral ring

A: Main pelvic ring, B: Obturator foramina

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Subject
Number of questions
Neurology
386
Respirology
379
Cardiology
361
Gastroenterology
341
Nephrology
295
Endocrinology
273
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Get access to over 4,000 questions, including more than 3,500 multiple choice questions and 65 clinical decision-making cases. For ease of use, all questions are divided into topics and linked to specific learning objectives.

Which of the following is not a symptom of an upper motor lesion?

Weakness

Incorrect. Weakness is a symptom of an upper motor neuron lesion.

Increased tone

Incorrect. Increased tone is a symptom of an upper motor neuron lesion.

Hyporeflexia

Correct. Hyporeflexia is a symptom of lower motor neuron lesions. Hyperreflexia is a symptom of upper motor neuron lesions.

Upgoing plantar reflexes

Incorrect. Upgoing plantar reflexes is a symptom of an upper motor neuron lesion.

All of these are symptoms of an upper motor lesion.

Incorrect. Answer C, hyporeflexia, is a symptom of lower motor neuron lesions, not upper motor neuron lesions.

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