During the 6th month, infant's first teeth are expected to appear. And Mrs. Lao had their first child who had reached his 6th month. They noticed that the child becomes irritable, and frequent salivation is observed. Which of the following could BEST explain this phenomenon?

During the 6th month, infant's first teeth are expected to appear. And Mrs. Lao had their first child who had reached his 6th month. They noticed that the child becomes irritable, and frequent salivation is observed. Which of the following could BEST explain this phenomenon?

Sonya Santos weighed 7 lbs at the time of her birth. 2 months later, her mother noted that the stools were frequently foul-smelling and frothy. During the next few months, Sonya failed to gain weight so her mother took her to the pediatric clinic at the age of 9 months. The examining physician found Sonya to be poorly developed, underweight and suffering from bronchitis with frequent non-productive cough. Chest x-ray, blood tests, stool analysis and sweat were done. Sonya's family history revealed that she has a first cousin who had mucoviscidosis. The pathophysiologic problem underlying the symptoms of this disease is:

PDA is a CHD that allows abnormal blood flow between the aorta and the pulmonary artery. Thorough evaluation of Rachelle revealed a large patent ductus arteriosus. A correct understanding of PDA will make the nurse anticipate Rachelle to exhibit which of the following symptoms:

A nurse is preparing a teaching session for parents on prevention of childhood hearing loss. Which is the most common cause of hearing impairment in children?

Early detection of a hearing impairment is critical because of its effect on a variety of areas of a child's life. Which one is of critical importance?