Pediatric Nurse Exam (Answers 21-25)

- Infants and young children are more prone to otitis media because their eustachian tubes are shorter and lie more horizontally. Pathogens from the nasopharynx can more readily enter the eustachian tube of the middle ear. The inability to clear nasal passages by blowing the nose, lying down on the floor, and putting dirty toys in the mouth don't increase the tendency toward otitis media.

22) B
- Heart and lung auscultation rarely distresses an infant, so it should be done early in the assessment. Placing a tape measure on the infant's head, shining a light in the eyes, or undressing the infant before weighing may cause distress, making the rest of the examination more difficult.

23) A
- Pancreatic enzymes normally aid in food digestion in the intestine. In a child with cystic fibrosis, however, these natural enzymes cannot reach the intestine because mucus blocks the pancreatic duct. Without these enzymes, undigested fats and proteins produce fatty stools. Treatment with pancreatic enzymes should result in stools of normal consistency; noncompliance with the treatment produces fatty stools. Noncompliance doesn't cause bloody urine, bloody stools, or glucose in urine.

24) B
- After the final cast has been removed, foot and ankle exercises may be necessary to improve range of motion. A physical therapist should work with the child. A physical therapist is trained to help clients restore function and mobility, which will prevent further disability. An occupational therapist, who helps the chronically ill or disabled to perform activities of daily living and adapt to limitations, isn't necessary at this time. A recreational therapist, who uses games and group activities to redirect maladaptive energy into appropriate behavior, also isn't required. A speech therapist isn't necessary; clubfoot isn't accompanied by speech problems.

25) D
- These are classic symptoms of pyloric stenosis caused by hypertrophy of the circular pylorus muscle. Surgery is the standard treatment for this disorder. Abdominal masses and abnormal peristalsis aren't necessarily related to colic or failure to thrive. Intussusception is usually characterized by acute onset and severe abdominal pain.

---> Pediatric Nurse Exam (21-25)

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