ATI RN
Free Pediatric CCRN Practice Questions Questions
Question 1 of 5
The most common buffer system in the body is the:
Correct Answer: D
Rationale: The most common buffer system in the body is the bicarbonate-carbonic system. This system plays a crucial role in maintaining the pH balance in the blood. The bicarbonate ion (HCO3-) acts as a weak base, while carbonic acid (H2CO3) acts as a weak acid. The balance between these two components helps to regulate the pH of the blood.
Question 2 of 5
Persons with up to 70% prevalence of peculiar facial anatomy are considered risk factors for obstructive sleep apnea EXCEPT
Correct Answer: D
Rationale: Hypothyroidism is not a typical risk factor for obstructive sleep apnea.
Question 3 of 5
Low birth weight or premature infants are screened for anemia at birth and again at the age of
Correct Answer: C
Rationale: Anemia screening for low birth weight or premature infants is recommended at 6 months.
Question 4 of 5
A client who reports increasing difficulty swallowing, weight loss, and fatigue is diagnosed with esophageal cancer. Because this client has difficulty swallowing, the nurse should assign highest priority to:
Correct Answer: B
Rationale: In a client with esophageal cancer who is experiencing difficulty swallowing, maintaining a patent airway is the highest priority. The client is at risk for aspiration due to the compromised ability to swallow, which could lead to respiratory distress, choking, or aspiration pneumonia. Adequate oxygenation is essential for the client's survival and must be addressed as the priority issue. While coping with body image, preventing injury, and ensuring nutrition are important aspects of care, they are secondary to ensuring the client's airway remains open and clear to prevent respiratory complications.
Question 5 of 5
The nurse is reviewing the patient's daily PT and INR levels. The PT level is 26 (normal = 9 to 12 seconds). Which of the ff. actions should the nurse take?
Correct Answer: B
Rationale: A PT level of 26 seconds is significantly above the normal range of 9 to 12 seconds. This indicates that the patient's blood is taking much longer to clot than usual, which may put the patient at risk for bleeding. It is important for the nurse to inform the physician before giving the next dose of warfarin because warfarin is a medication that helps prevent blood clots by thinning the blood. However, in this case, the patient's blood is already thin beyond the target range, so giving the next dose of warfarin without physician guidance may further increase the risk of bleeding. The physician may need to adjust the dose or recommend other interventions to manage the patient's PT levels effectively.