Proper cell functioning requires close regulation of plasma osmolality and intravascular volume. Which of the following statements is TRUE?

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Pediatric Musculoskeletal Disorders Quizlet Questions

Question 1 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 2 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 3 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.

Question 4 of 5

Glaucoma can occur in association with port-wine stains located on the eyelid, even in the absence of Sturge-Weber syndrome, and these patients need lifelong monitoring of ocular pressures.

Correct Answer: D

Rationale: Port-wine stains on the eyelid can be associated with glaucoma due to vascular anomalies affecting ocular pressure, requiring lifelong monitoring even without Sturge-Weber syndrome.

Question 5 of 5

Toe walking is a common complaint in early walkers. A physician should evaluate any child who still toe walks after the age of

Correct Answer: B

Rationale: Persistent toe walking beyond 3 years may indicate neurological or musculoskeletal issues requiring evaluation.

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