A nurse is teaching a newly licensed nurse about heart and lung assessments in children. Which of the following statements made by the newly licensed nurse demonstrates an understanding of the teaching?

"Auscultating heart and lung sounds in an infant is different than for an adult."

"A click in the heart at one week of age can indicate a cardiovascular concern."

"A heart murmur on the first day of a newborn's life is abnormal."

"Lung sounds such as crackles and stridor are normal for an infant."