ATI RN
Pediatric Nursing Study Guide Questions
Question 1 of 5
What is the meaning of an oxygen saturation of 90%?
Correct Answer: B
Rationale: Oxygen saturation (SpOâ‚‚) refers to the percentage of hemoglobin molecules bound to oxygen. A saturation of 90% indicates that 90% of hemoglobin is oxygenated, which corresponds to a PaOâ‚‚ of around 60 mmHg, suggesting mild hypoxemia.
Question 2 of 5
The differential diagnosis of chronic urticaria includes the following EXCEPT
Correct Answer: D
Rationale: Chronic urticaria is not typically associated with blistering disorders, which are more characteristic of autoimmune skin diseases.
Question 3 of 5
Raised intracranial tension (ICP) in children is defined as:
Correct Answer: D
Rationale: ICP above 20 mmHg for more than 5 minutes is considered raised and can cause brain herniation and ischemia.
Question 4 of 5
11. Symmetric arthritis of involved number of joints over time is characterized by aggressive manifestation that is almost exclusively occurs in RF-positive polyarthritis. Which of the following is NOT a characteristic of RF-positive polyarthritis?
Correct Answer: D
Rationale: Extensor surface nodules are more typical in adult rheumatoid arthritis.
Question 5 of 5
Characteristics of hypertonic dehydration include
Correct Answer: A
Rationale: In hypertonic dehydration, water loss exceeds sodium loss, leading to preserved skin turgor. High sodium levels cause intracellular dehydration, particularly affecting the CNS, leading to complications such as seizures.