ATI RN
Pediatric Musculoskeletal Disorders Quizlet Questions
Question 1 of 5
Which is the best means for diagnosis of myasthenia gravis?
Correct Answer: A
Rationale: Anti-acetylcholine receptor antibodies are highly specific and the best diagnostic tool for myasthenia gravis.
Question 2 of 5
Polydactyly is the most common congenital toe deformity, it may be preaxial (great toe) or postaxial (5th toe), and occasionally one of the central toes is duplicated. Which of the following statements is TRUE?
Correct Answer: D
Rationale: Polydactyly is relatively common, and surgical removal is typically delayed until after 2 years to allow for safer anesthesia and better tissue development; options A, B, and C are incorrect based on prevalence and associations.
Question 3 of 5
An adolescent girl presented with pain beneath the patella, walking up and down stairs aggravates the pain; squatting, running, and other vigorous physical activities also exacerbate the pain. There is no history of antecedent trauma and there is no swelling. Pain is often relieved through knee extension. Of the following, the MOST likely diagnosis is
Correct Answer: D
Rationale: Patellofemoral pain syndrome is common in adolescents, characterized by anterior knee pain worsened by stairs and activity, relieved by rest, with no trauma or swelling.
Question 4 of 5
The MOST reliable sign of a dislocated hip after the 2nd month of life is
Correct Answer: A
Rationale: Limited hip abduction becomes the most reliable sign of a dislocated hip after 2 months, as the Ortolani sign diminishes with age.
Question 5 of 5
Klippel-Feil syndrome includes the classic triad of a low posterior hairline, short neck, and decreased cervical range of motion. Other associations include the following EXCEPT
Correct Answer: D
Rationale: Conductive hearing loss is not a common association with Klippel-Feil syndrome; sensorineural hearing loss is more typical.