ATI RN
NCLEX Style Questions on Oxygenation Questions
Question 1 of 5
Match the following: Oxygen
Correct Answer: D
Rationale: Oxygen makes up 21% of the air in the atmosphere, as matched in the document.
Question 2 of 5
Which of the following is the initial sign of hypoxemia in an adult client? 1. Tachypnea 2. Tachycardia 3. Cyanosis 4. Pallor 5. Irritability 6. Flaring of Nares
Correct Answer: B
Rationale: Tachycardia (2) and irritability (5) are early signs of hypoxemia as the body compensates for low oxygen before later signs like cyanosis or flaring nares appear.
Question 3 of 5
Enzyme secreted by the small intestine after it detects a bolus of fatty food. This will contract the gallbladder to secrete bile and relax the sphincter of Oddi to aid in the emulsification of fats and its digestion.
Correct Answer: C
Rationale: Cholecystokinin (CCK) triggers gallbladder contraction and bile release for fat emulsification and digestion.
Question 4 of 5
Jose Miguel who is 5'2 and 130 lbs has what BMI
Correct Answer: C
Rationale: For 5'2 (62 inches) and 130 lbs, BMI = (130 ×703) / (62²) = 23.8, which falls in the normal range (18.5-24.9).
Question 5 of 5
The most important nursing action before gastrostomy feeding is
Correct Answer: D
Rationale: Checking tube placement is critical before feeding to ensure it's in the stomach, preventing aspiration.