ATI RN
Pediatric Musculoskeletal Assessment Questions
Question 1 of 5
Myotubular myopathy, maturational arrest of fetal muscle during the myotubular stage of development at 8-15 wk of gestation. All the following are characteristic features EXCEPT
Correct Answer: B
Rationale: Cardiomyopathy is not a characteristic feature of myotubular myopathy, unlike the other listed signs related to muscle weakness or fetal development.
Question 2 of 5
On a global basis, poor bioavailability secondary to phytic acid is thought to be a more important factor than low intake in the widespread occurrence of
Correct Answer: A
Rationale: The text explicitly states that poor bioavailability due to phytic acid is a key factor in zinc deficiency globally.
Question 3 of 5
Total body water (TBW) as a percentage of body weight varies with age. Which of the following is true regarding TBW?
Correct Answer: B
Rationale: Premature infants have higher TBW (up to 80-85%) compared to term infants (70-75%), which aligns with physiological norms and is supported indirectly by the text.
Question 4 of 5
The MOST common indication for long-term parenteral nutrition is
Correct Answer: A
Rationale: Short bowel syndrome is the most common reason for long-term parenteral nutrition due to significant nutrient absorption loss.
Question 5 of 5
Classification of true hyponatremia is based on the patient's
Correct Answer: B
Rationale: True hyponatremia is classified by volume status (hypovolemic, euvolemic, hypervolemic), a fundamental diagnostic approach.