ATI RN
Pediatric Musculoskeletal Disorders Quizlet Questions
Question 1 of 5
Calcium intake can come from a variety of sources, with dairy products providing the most common and concentrated source. The calcium equivalent of 1 cup of milk (about 300 mg of calcium) is
Correct Answer: B
Rationale: The text states that 1 cup of milk (300 mg calcium) is equivalent to 1.5 oz of cheddar cheese, among other options, making B the most directly supported equivalent.
Question 2 of 5
Proper cell functioning requires close regulation of plasma osmolality and intravascular volume. Which of the following statements is TRUE?
Correct Answer: D
Rationale: A small increase in plasma osmolality (e.g., 1-2%) stimulates thirst, a key physiological response, widely recognized and fitting the context.
Question 3 of 5
Pseudohyponatremia is a laboratory artifact that is present when the plasma contains high concentrations of
Correct Answer: C
Rationale: High protein (e.g., in multiple myeloma) causes pseudohyponatremia by altering plasma water fraction, a standard lab artifact.
Question 4 of 5
Which of the following conditions lead to euvolemic hyponatremia?
Correct Answer: D
Rationale: Water intoxication causes euvolemic hyponatremia by diluting sodium without altering volume status significantly.
Question 5 of 5
Electrocardiographic changes of flattened T wave, depressed ST segment, and appearance of U wave is seen in
Correct Answer: D
Rationale: Hypokalemia causes flattened T waves, ST depression, and U waves, classic ECG findings.