Chapter 25: Growth and Development of the Newborn and Infant

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The parents of an 8-month-old infant voice concern to the nurse that their infant is not developing motor skills as they should. What question should the nurse ask to help determine if their fears are warranted?

"Does your infant move a toy back and forth from one hand to the other when you give it to them?" Rationale: Transferring an object from one hand to the other is expected at 7 months of age, so this ability would be expected of an 8-month-old. The other questions relate to abilities that are not expected until later months. Questioning the parents about these skills would not help in determining if the infant has the motor skill developmental level that should be expected.

A parent calls the hospital nursing hotline and asks, "My 8-week-old infant cries 8 hours a day and is hard to console. Is this normal?" How should the nurse respond?

"Let me ask you some more questions to see if there are symptoms of colic." Rationale: The nurse should seek more information to assess the infant's symptoms. The symptoms suggest colic, which is characteristic of an infant who cries more than 3 hours a day and is fussy and hard to console. The other responses are nontherapeutic and do not seek further information to gather a history.

The student nurse is reviewing the records of a pediatric client. Which statement about the client's progress indicates the need for further instruction?

"Maturation refers to the child's increases in body size." Rationale: Growth refers to an increase in physical size. Development is the sequential process by which infants and children gain various skills and functions. Heredity influences growth and development by determining the child's potential, while environment contributes to the degree of achievement. Maturation refers to an increase in functionality of various body systems or developmental skills.

A teen mom asks the discharge nurse if it is okay to sleep in bed with her baby. She says her mom always did it with her siblings and it seemed okay. How should the nurse respond?

"The baby can sleep in your room in an infant crib, but not in an adult bed." Rationale: According to the 2016 recommendation by the American Academy of Pediatrics, infants should sleep in the same bedroom as the parents, but on a separate firm surface, such as a crib or bassinet, and never on a couch, armchair or adult bed, to decrease the risks of sleep-related deaths.

The father of a 6-week-old infant voices concerns about his son's stooling. He further shares that his son grunts and cries when having a bowel movement. What response by the nurse is most appropriate?

"What does his stool look like?" Rationale: Grunting, crying and straining during bowel movements by infants and newborns is normal. This is due to the immaturity of the gastrointestinal system. The most important thing to do initially is to determine the appearance of the stool. The grunts and cries are not of concern unless the stool is dry and hard, so asking about the characteristics is the initial response. Simply indicating this is normal without having additional information is not the appropriate response. There is no need for a stool specimen based upon the information provided.

During the first visit to the pediatrician's practice the nurse is performing an admission interview and assessment of a 4-week-old infant. The mother states, "I am sure my baby girl knows my smell because she is much more settled in my arms rather than my mother's arms when she is upset." What is an appropriate response by the nurse?

"You may be right, since infants can sense their mother's smell as early as 7 days old." Rationale: The sense of smell develops rapidly: the 7-day-old infant can differentiate the smell of his or her mother's breast milk from that of another woman and will preferentially turn toward the mother's smell.

A parent takes the 4-month-old infant to the health care provider. The parent asks what type of baby cereal to provide now that the infant is starting solid foods. How should the nurse respond?

"You should buy rice cereal." Rationale: The rice cereal should be first. The infant should be monitored for food allergies by following the rice cereal with oats, barley, and wheat. Wheat has the highest allergy reaction in infants.

The mother of a newborn reports she does not think her baby likes his formula since he spits up after only taking a small amount. Which response by the nurse is most appropriate?

"Your baby's stomach is small and can only hold about 0.5 to 1 oz at birth." Rationale: At the time of birth, an infant's stomach can only hold 0.5 to 1 oz ounce. This will gradually increase. While it is true that the infant does not eat much, this does not meet the educational needs of the mother and is not the best response. Burping is a part of normal newborn feeding practices but is not the best response. There is no indication there is a milk intolerance from the information reported.

The nurse is providing a nutrition workshop for the parents of infants. The nurse understands that further instruction is required when hearing which comments from the parents? Select all that apply.

-"Food is so expensive. I can't afford for my child to leave any food on the plate." -"I have tried at least 10 times with every green vegetable and I can't get my son to like them." -"I let my child eat whatever he wants right now so that we don't argue about food. Hopefully he will like healthy foods when he grows up." Rationale: Encouraging children to eat everything on their plate can lead to overeating and obesity. Children may need to be exposed to new food at least 20 times before determining if they like it or not. Letting a child eat whatever he wants does not lead to good choices as the child matures.

The nurse is assessing the neurological status of a 10-month-old infant. Which finding(s) does the nurse determine to be abnormal when performing this assessment? Select all that apply.

-The infant turns to the right side, searching with mouth, when the right side of the cheek is stroked. -With sudden extension of the infant's head, the arms abduct and move upward and the hands form a "C". -The infant reflexively grasps when the nurse touches the palm. -The infant demonstrates reflexive sucking when nipple or finger is placed in infant's mouth. Rationale: The primitive reflexes (root, suck, palmar grasp, moro) should be absent by 10 months of age. A positive Babinski sign normally persists until 12 months of age so the presence of this sign would be considered a normal finding in the 10-month-old.

The nurse is assessing a 1-year-old at the well-child annual visit and notes the child is meeting the growth parameters. After noting the birth weight was 8 pounds (3.6 kg) and length was 20 inches (50.8 cm) long, which measurements reflecting height/weight would the nurse expect to document for this visit?

24 pounds (10.8 kg) and 30 inches (75 cm) Rationale: By 1 year of age, the infant should have tripled his or her birth weight and grown 10 to 12 inches (25 to 30 cm). If this infant was 8 pounds (3.6 kg) at birth, at 1 year, this child should weigh 24 pounds (8 x 3 = 24) and grown to 30 to 32 inches (20 + 10 to 12 = 30 to 32 inches). Most of the growing occurs during the first 6 months with the infant's birth weight doubling and height increasing about 6 inches (15 cm). Growth slows slightly during the second 6 months but is still rapid.

The nurse is helping the mother of a 5-month-old boy understand the importance of developmentally appropriate play. Which one of the toys best meets the needs of this child?

A yellow rubber duck for the bath Rationale: The rubber duck is most appropriate. It is safe, visually stimulating while bobbing on the water, and adds pleasure to bath time. A push-pull toy promotes skill for a walking infant. Pots and pans from the kitchen cupboard are played with successfully after sitting is mastered. A 5-month-old does not have the fine motor coordination to use stacking toys.

A newborn requires skin care that includes bathing. Besides hygiene, what is another reason for bathing the newborn?

Bathing is a time for bonding with the parents. Rationale: The parents can use bath time for bonding with their newborn. This can be done with talking, cooing, and singing. Bath time should be slow-paced and nonstressful. Newborns prefer interacting with parents over toys and they love to watch people's faces. Bathing can help prevent infection, but it is a secondary response. Using soaps on the skin tends to dry the skin, not moisten it. After bathing, lotion can be applied. It is soothing to the baby and keeps the skin softened.

What information would the nurse include when teaching the parents of an infant about colic?

Colic symptoms will probably fade at 3 months of age. Rationale: Colic is defined as inconsolable crying that lasts 3 hours or longer per day and which it has no physical cause. Colic symptoms typically fade around 3 months of age. This is an age when infants are better able to console themselves. Colic can be very stressful for parents and lead to sleep deprivation. Many infants need to be carried at all times to reduce crying. Some do well with non-nutritive sucking and others need white noise or motion to help them soothe. Because colic has no physical cause, telling the parents about follow up for "nervous stomach" is not necessary. The infant should be placed in a position of comfort to reduce the crying. Every infant has his or her own position that helps; don't just place the infant on his or her back. Doubling up the formula will not help colic and may actually cause more problems because it can cause abdominal pain and increased weight gain.

The nurse is assessing the 18-month-old infant. The nurse notes the anterior fontanel (fontanelle) has closed. What initial action by the nurse is indicated?

Document the findings as normal. Rationale: The anterior fontanel (fontanelle) most often closes between 12 and 24 months of age. The closure of the fontanel (fontanelle) at 18 months of age does not signal any health issues for the infant.

An infant is breastfed. When assessing the stools, which findings would be typical?

Less constipation than bottle-fed infants Rationale: The first stool of the infant is meconium. It is the result of digestion of amniotic fluid and it is black-green color and sticky. Following that, in 1 to 2 days the infant's stools change to a yellowish-tan color. The stools of breastfed infants tend to be yellow-tan. They are looser in texture and appear "seedy." The stool of a bottle-fed baby has the consistency of peanut butter. The stools of breastfed babies generally have no odor since all milk is digested. Some babies will have a bowel movement with every feeding but it is small. Bottle-fed babies have less stools each day but they are larger and more likely to have an associated odor.

A nurse is educating a client being discharged with her newborn baby. What is the highest priority item that must be included in the teaching plan?

Restrain the baby in a car seat. Rationale: The client should restrain the baby in a car seat when driving. Infants are especially vulnerable to injuries resulting from falls from changing tables or being unrestrained in automobiles. Locking the cabinets and giving warm bottles of formula to the baby are secondary teachings.

A new mother reports that she is exhausted and that the little sleep she gets is determined by her baby. Which suggestion should the nurse prioritize to help the mother establish healthy sleeping patterns in her infant?

Use the crib for sleeping only, not for play activities. Rationale: A consistent bedtime routine is usually helpful in establishing healthy sleeping patterns and in preventing sleep problems. Using the crib for sleeping only helps the child associate the bed with sleep. Depriving the baby of sleep during the afternoon or evening will make the baby over-tired and less able to establish a healthy sleeping pattern. While letting a baby cry for a while is acceptable, this does not promote consistency in the baby's sleeping pattern.

A mother of a 9-month-old 18-pound (8.2 kg) infant asks the nurse about choosing the best car seat. What should the nurse recommend?

a rear-facing 5-point harness restraint Rationale: An infant until 2 years of age should be in a rear-facing car seat. The 5-point harness seat is made for children up to 40 pounds (18 kilograms) and the booster seat for children from 40 to 80 pounds (18 to 36 kilograms).

The parent of an infant asks the nurse when to begin brushing the infant's teeth. What would be the nurse's best response?

as soon as the first tooth erupts Rationale: Before tooth eruption occurs, parents should clean the infant's gums after feeding with a damp wash cloth. After the first tooth erupts, parents can use a soft bristle tooth brush. Dental hygiene should be part of the infant's everyday care. The American and Canadian Dental Associations recommend the first dental checkup to occur around 1 year of age. Infants should not go to bed with bottles or sippy cups to prevent dental caries.

The nurse is educating the mother of a 6-month-old boy about the symptoms for teething. Which symptom would the nurse identify?

increased biting and sucking Rationale: The nurse would advise the mother to watch for increased biting and sucking. Mild fever, vomiting, and diarrhea are signs of infection. The child would more likely seek out hard foods or objects to bite on.

A staff nurse is talking about Piaget's theory with a nursing student. Infants are in the sensorimotor stage of cognitive development during which object permanence is mastered. An example of an infant displaying this ability is:

looking for a toy in her crib at the last place she saw it. Rationale: Looking for the toy where it was last seen indicates object permanence. The infant knows the object still exists even though she cannot see it. All the rest of the infant's behaviors show use of her senses and motor activity but do not illustrate object permanence.

The nurse is teaching the parents of a 6-month-old infant about proper dental care. Which action will the nurse indicate as most likely to cause dental caries in this infant?

putting the infant to bed with a bottle of milk or juice Rationale: The nurse will warn against putting the infant to bed with a bottle of milk or juice because this allows the sugar content of these fluids to pool around the infant's teeth at night. Not cleaning the infant's gums when the infant is done eating will have minimal impact on the development of dental caries, as will using a cloth instead of a brush for cleaning teeth when they erupt. Failure to clean the teeth with fluoridated toothpaste is not a problem if the water supply is fluoridated. Fluoridated toothpaste is recommended for use once the infant is able to not swallow during brushing.

A 5-month-old infant being assessed was born at 32 weeks. The nurse doing the well-child check-up should compare the baby to what norms?

the development of a 3-month-old Rationale: The infant was born 8 weeks early. Two months are subtracted from the present age of 5 months. Both growth and development should be assessed using 3-month norms.

The nurse is assessing an infant at the 6-month well-baby check-up. The nurse notes that at birth the baby weighed 8 lb (3600 g) and was 20 in (50.8 cm) in length. Which finding is consistent with the normal infant growth and development?

weight of 16 lb (7300 g) and length of 26 in (66.0 cm) Rationale: The average newborn weighs 7.5 lb (3400 kg) at birth. Most infants double their birth weight at 4 to 5 months and will triple by the time they are 1 year old. If this infant was 8 lb (3600 kg) at birth, then it is most likely now 16 lb (7300 g). The average newborn is 20 in (50 cm) long at birth. They grow more quickly in length over the first 6 months, than during the second 6 months. By 12 months of age, the infant's length has increase by 50%. At 1 year, this infant will most likely be 30 in (76.2 cm) in length; however, since most of the growth occurs in the first 6 months, it is possible for the infant to grow an additional 6 in (15 cm) during that time.


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