ATI RN
Pediatric Musculoskeletal Disorders Quizlet Questions
Question 1 of 5
Myotonic muscular dystrophy (Steinert disease) is the second most common muscular dystrophy in North America, Europe, and Australia, inherited as an autosomal dominant trait. Of the following, the LEAST recognized feature is
Correct Answer: C
Rationale: Low serum IgG is less commonly emphasized as a feature of myotonic dystrophy compared to cataracts, myotonia, cardiomyopathy, and intellectual impairment.
Question 2 of 5
All the following vaccines may induce Guillain-Barré syndrome (GBS) EXCEPT
Correct Answer: D
Rationale: Conjugated meningococcal vaccine has no strong association with GBS, unlike the others, which have rare reported links.
Question 3 of 5
Miller-Fisher syndrome (MFS) consists of acute external and occasionally internal ophthalmoplegia, ataxia, and areflexia. Of the following, the MOST likely cranial nerve involved is
Correct Answer: A
Rationale: The 3rd cranial nerve (oculomotor) is most commonly involved in MFS, causing ophthalmoplegia.
Question 4 of 5
Bell palsy usually develops abruptly about 2 wk after a systemic viral infection. Of the following, the MOST common viral cause is
Correct Answer: D
Rationale: Herpes simplex virus is the most commonly implicated viral trigger for Bell palsy, likely via reactivation.
Question 5 of 5
Of the following, the LEAST recognized presentation of Charcot-Marie-Tooth disease is
Correct Answer: B
Rationale: Claw hand is less commonly highlighted as a presentation of CMT compared to foot drop, pes cavus, or stork-like legs.