Neonatal Intensive Care Nurse Exam Neonatal Respiratory Management 2

Question 1

Which arterial blood gas value indicates respiratory acidosis in a neonate?

Accepted Answer

pH 7.25, PaCO2 58 mmHg

Answer

pH 7.38, PaCO2 40 mmHg

Answer

pH 7.50, PaCO2 28 mmHg

Answer

pH 7.45, PaCO2 35 mmHg

Question 2

High-frequency oscillatory ventilation (HFOV) is distinguished from conventional ventilation by:

Accepted Answer

Using very small tidal volumes at high frequencies

Answer

Delivering larger breaths less frequently

Answer

Requiring higher FiO2 settings

Answer

Not requiring PEEP

Question 3

A nurse preparing to administer surfactant via ET tube should position the infant:

Accepted Answer

Supine with head midline

Answer

Right lateral decubitus only

Answer

Prone position

Answer

Head elevated at 30 degrees

Question 4

Persistent pulmonary hypertension of the newborn (PPHN) is characterized by:

Accepted Answer

Elevated pulmonary vascular resistance causing right-to-left shunting

Answer

Left-to-right shunting through a PDA only

Answer

Low pulmonary arterial pressure

Answer

Surfactant deficiency as the primary cause

Question 5

Inhaled nitric oxide (iNO) is used in the NICU primarily to treat:

Accepted Answer

Persistent pulmonary hypertension

Answer

Respiratory distress syndrome

Answer

Apnea of prematurity

Answer

Bronchopulmonary dysplasia

Question 6

Which assessment finding best indicates a neonate requires suctioning of the airway?

Accepted Answer

Audible secretions, increased work of breathing, or decreased SpO2

Answer

Routine time-based schedule regardless of clinical status

Answer

Heart rate above 150 bpm

Answer

Temperature instability alone