RN Exam Practice
Pharmacological and Parenteral TherapiesQuestion 1423 of 2368

A preterm newborn is not breathing after drying and stimulation, and the team starts positive pressure ventilation with a bag-mask. Which initial oxygen concentration is used?

  1. 30 percent
  2. 21 percent
  3. 50 percent
  4. 100 percent
Show answer

Correct answer: 30 percent

Room air or 21 percent is used for term infants, and 30 percent oxygen is used initially for preterm infants.

Source: Nursing Health Promotion (Open RN, Chippewa Valley Technical College, 2025), High-risk Newborn Care: Neonatal Resuscitation. Licensed under CC BY 4.0.

Practice the topic "Pharmacological and Parenteral Therapies"

Questions last reviewed: 18 October 2026