♦️ By 9 months of age, an infant should normally demonstrate social and emotional behaviors such as laughing and making varied sounds.

♦️ Never having squealed or laughed suggests that the infant is not meeting expected developmental milestones.

♦️ The absence of these behaviors can indicate a potential developmental delay involving social, communication, hearing, or neurologic development.

♦️ Developmental concerns identified during routine screening should receive prompt further evaluation rather than simply waiting for the next scheduled visit.

♦️ Early referral allows the child to undergo a more comprehensive developmental assessment.

♦️ Further assessment may include evaluation of hearing, communication, social interaction, motor development, and neurologic function.

♦️ Early identification of developmental delays allows appropriate early-intervention services to begin when needed.

♦️ Therefore, recognizing the finding as a developmental concern and initiating referral is the most appropriate nursing action.

♠️ An infant's birth weight typically doubles by about 4–6 months of age and triples by approximately 12 months.

♠️ This infant weighed 8 lb at birth, so an expected weight around 6 months would be approximately 16 lb.

♠️ Her current weight of 12.1 lb represents only about a 51% increase from birth weight, which is below the expected growth pattern.

♠️ The nurse should first perform a thorough feeding assessment to determine why weight gain has been inadequate.

♠️ The assessment should include the frequency, duration, and effectiveness of breastfeeding or formula feeding.

♠️ The nurse should also assess complementary foods, feeding difficulties, vomiting, diarrhea, swallowing problems, and other factors that could affect caloric intake or absorption.

♠️ Assessment comes before intervention because the nurse needs to identify the underlying cause of poor weight gain before recommending specific feeding changes.

♠️ Therefore, discussing the child's feeding patterns is the priority nursing intervention.

DTaP (diphtheria, tetanus, and acellular pertussis) — CORRECT

🧡 The DTaP vaccine protects against three serious bacterial diseases: diphtheria, tetanus, and pertussis.

🧡 The routine childhood series begins at about 2 months of age, making this vaccine appropriate at the 2-month well-child visit.

🧡 Diphtheria can cause severe upper-airway obstruction and systemic complications.

🧡 Tetanus causes painful muscle rigidity and spasms and can be life-threatening.

🧡 Pertussis, also called whooping cough, is especially dangerous in young infants because it can cause apnea, pneumonia, seizures, and death.

🧡 Infants need several doses because immunity develops gradually through the primary series.

🧡 The vaccine is administered by intramuscular injection, commonly into the anterolateral thigh in infants.

🧡 Mild fever, fussiness, and soreness at the injection site can occur, but these effects are usually temporary.

Hep B (hepatitis B vaccine) — CORRECT

🧡 The hepatitis B vaccine protects against hepatitis B virus infection, which can cause chronic hepatitis, cirrhosis, and liver cancer.

🧡 The vaccine series usually begins at birth, often before the newborn leaves the hospital.

🧡 A subsequent dose is commonly given at 1 to 2 months, depending on the vaccination schedule and previous doses.

🧡 Because this infant is 2 months old, the nurse should review the vaccine record and anticipate administration if the dose is due.

🧡 Hepatitis B can be transmitted through blood and body fluids, including from mother to infant during childbirth.

🧡 Infants infected at birth have a particularly high risk of developing chronic hepatitis B infection.

🧡 The vaccine is given by intramuscular injection, typically in the anterolateral thigh.

🧡 Completion of the full vaccine series provides long-term protection against hepatitis B.

Hib (Haemophilus influenzae type b vaccine) — CORRECT

🧡 The Hib vaccine protects against Haemophilus influenzae type b, a bacterium that can cause severe invasive infections.

🧡 The first dose is routinely given at about 2 months of age.

🧡 Hib infection can cause bacterial meningitis, which may result in neurologic damage, hearing loss, or death.

🧡 It can also cause epiglottitis, pneumonia, septic arthritis, and bloodstream infections.

🧡 Young infants and children are particularly vulnerable because their immune systems are still developing.

🧡 The Hib vaccine is administered by intramuscular injection.

🧡 Several doses are required during infancy to provide adequate immunity.

🧡 Because the child is 2 months old, Hib should be expected as part of the routine primary vaccine series.

PCV (pneumococcal conjugate vaccine) — CORRECT

🧡 The pneumococcal conjugate vaccine protects against Streptococcus pneumoniae.

🧡 The first dose is routinely given at approximately 2 months of age.

🧡 Pneumococcal disease can cause pneumonia, meningitis, bloodstream infection, and otitis media.

🧡 Infants are at increased risk for serious invasive pneumococcal disease because of their immature immune systems.

🧡 The conjugate vaccine helps the infant's immune system develop a stronger response to pneumococcal bacteria.

🧡 The vaccine is given by intramuscular injection.

🧡 Additional doses are administered later in infancy and toddlerhood to complete the series.

🧡 Therefore, PCV is an expected vaccine during the 2-month well-child visit.

RV (Rotavirus vaccine) — CORRECT

🧡 The rotavirus vaccine protects against rotavirus, a common cause of severe gastroenteritis in infants.

🧡 Rotavirus infection can cause profuse watery diarrhea, vomiting, fever, and dehydration.

🧡 Infants can become dehydrated rapidly because they have smaller fluid reserves than older children and adults.

🧡 The vaccine series usually begins at approximately 2 months of age.

🧡 Unlike most infant vaccines, rotavirus vaccine is administered orally, not by injection.

🧡 There are strict age limits for starting and completing the vaccine series, which makes timely administration important.

🧡 The nurse should assess for contraindications such as a history of intussusception or certain severe immune deficiencies.

🧡 Because the infant is 2 months old, rotavirus vaccine should normally be anticipated.

IPV (inactivated poliovirus vaccine) — CORRECT

🧡 The IPV vaccine protects against poliovirus, which can cause paralysis and respiratory muscle weakness.

🧡 The first routine dose is generally administered at about 2 months of age.

🧡 Poliovirus primarily affects the nervous system and can cause irreversible flaccid paralysis.

🧡 Some infected individuals may develop severe neurologic complications even though many infections are initially mild or asymptomatic.

🧡 IPV contains inactivated virus, so it cannot cause poliomyelitis.

🧡 The vaccine is administered by injection and is part of the routine primary immunization series.

🧡 Multiple doses are required to establish strong, long-lasting protection.

🧡 Therefore, IPV is expected at the infant's 2-month vaccination visit.

♠️ The first routine MMR (measles, mumps, and rubella) vaccine is administered at 12–15 months of age.

♠️ Therefore, among the options provided, 12 months is the correct answer.

♠️ MMR is a live attenuated vaccine that stimulates immunity against measles, mumps, and rubella.

♠️ Measles can cause serious complications, including pneumonia, encephalitis, and severe systemic illness.

♠️ Mumps can cause parotitis and complications such as meningitis, encephalitis, and orchitis.

♠️ Rubella is particularly concerning during pregnancy because maternal infection can cause congenital rubella syndrome.

♠️ Routine administration is delayed until around 12 months partly because maternal antibodies present during early infancy can interfere with the immune response to the vaccine.

♠️ A second MMR dose is routinely administered later in childhood, typically at 4–6 years of age.

❣️ Preschool-aged children are still developing emotional regulation and impulse control, so frustration may sometimes be expressed through hitting or other physical behaviors.

❣️ Teaching the child to identify emotions such as anger, frustration, sadness, and jealousy helps the child understand what they are experiencing.

❣️ Parents can teach simple statements such as “I am angry,” “I don't like that,” or “I need help” instead of allowing the child to communicate through aggression.

❣️ Developing appropriate emotional expression addresses the underlying reason for the behavior, rather than only responding after hitting has occurred.

❣️ Parents should consistently reinforce that feelings are acceptable, but hurting others is not acceptable.

❣️ Positive reinforcement should be provided when the child uses words, problem-solving, sharing, or other appropriate coping behaviors.

❣️ Preschoolers learn significantly through modeling, so parents should demonstrate calm communication and appropriate ways of managing frustration.

❣️ Teaching emotional identification and healthy expression therefore promotes long-term self-regulation and appropriate social behavior, making it the best response.

✅ Bedwetting — CORRECT

✳️ A 3-year-old who had achieved nighttime or daytime bladder control may begin having urinary accidents during prolonged hospitalization.

✳️ Toileting is a relatively recently acquired developmental skill at this age, making it particularly vulnerable to regression during stress.

✳️ Illness, unfamiliar surroundings, disrupted sleep, and separation from caregivers can contribute to enuresis.

✳️ Bedwetting represents a return to an earlier toileting pattern, which is characteristic of developmental regression.

✳️ The nurse should avoid shaming or punishing the child for accidents.

✳️ Gentle encouragement and maintaining familiar toileting routines can help the child gradually regain independence.

✳️ Physical causes such as urinary tract infection should still be considered if other symptoms are present.

✳️ In the context of lengthy hospitalization, bedwetting is an expected example of regression.

✅ Soiling of pants — CORRECT

✳️ A previously toilet-trained preschooler may temporarily lose bowel control when experiencing significant stress.

✳️ Soiling represents regression to an earlier developmental stage when the child depended more heavily on caregivers for elimination.

✳️ Hospitalization can disrupt normal toileting schedules and routines.

✳️ Fear, pain, unfamiliar bathrooms, decreased activity, and changes in diet may contribute to toileting difficulties.

✳️ The nurse should respond in a calm and nonjudgmental manner.

✳️ Punishment can increase anxiety and potentially worsen the regressive behavior.

✳️ Parents can help by reestablishing familiar toileting routines and positively reinforcing successful attempts.

✳️ Therefore, soiling of pants can represent expected developmental regression in this situation.

✅ Immature speech patterns — CORRECT

✳️ A hospitalized preschooler may temporarily return to baby talk or simpler speech patterns.

✳️ The child may use younger-sounding words or communicate in ways previously used during toddlerhood.

✳️ This behavior can provide psychological comfort when the child feels frightened, dependent, or insecure.

✳️ Hospitalization can make an independent preschooler suddenly dependent on adults for many basic needs.

✳️ Regression in communication does not necessarily mean the child has permanently lost language development.

✳️ The nurse should continue communicating using developmentally appropriate language without criticizing the child's speech.

✳️ Providing choices and opportunities to communicate can help restore the child's sense of control.

✳️ Therefore, immature speech patterns are a recognized manifestation of regression.

✅ Begins sucking her thumb — CORRECT

✳️ Thumb-sucking is a self-soothing behavior commonly associated with younger developmental stages.

✳️ A 3-year-old who had previously stopped thumb-sucking may resume it when experiencing stress or anxiety.

✳️ Hospitalization removes many familiar sources of security and may cause the child to seek earlier forms of comfort.

✳️ Thumb-sucking can provide the child with a temporary feeling of security and emotional regulation.

✳️ The nurse should generally avoid criticizing the child for this temporary coping behavior.

✳️ Familiar objects such as a favorite blanket or toy can provide additional comfort.

✳️ Increased parental presence and maintenance of familiar routines may decrease the child's need for regressive self-soothing.

✳️ Therefore, resuming thumb-sucking is an expected example of developmental regression.

✅ Refuses to feed herself — CORRECT

✳️ A typical 3-year-old has developed substantial self-feeding independence.

✳️ During hospitalization, the child may suddenly demand that a parent or nurse feed her.

✳️ This represents a return to an earlier stage in which the child was more dependent on caregivers.

✳️ The behavior may provide comfort, attention, and reassurance during illness.

✳️ The child may temporarily prefer being cared for rather than performing tasks independently.

✳️ The nurse should offer opportunities for independence without creating unnecessary conflict.

✳️ Small choices such as selecting foods or choosing utensils can help restore the child's sense of autonomy and control.

✳️ Therefore, refusing to self-feed can represent developmental regression.

✅ Refuses a sippy cup and wants a bottle — CORRECT

✳️ Returning to a bottle is a classic example of reverting to an earlier developmental behavior.

✳️ A preschooler normally progresses beyond bottle feeding, so requesting one represents increased dependency.

✳️ The bottle may function as a familiar source of comfort and security during illness.

✳️ Stress can cause children to seek behaviors and objects associated with earlier periods when caregivers provided more direct comfort.

✳️ The nurse should recognize the behavior as potentially temporary rather than viewing it as intentional misbehavior.

✳️ Parents should provide reassurance while gradually encouraging return to age-appropriate drinking behaviors.

✳️ Maintaining familiar routines and offering appropriate choices can support the child's return to independence.

✳️ Therefore, wanting a bottle instead of a cup is consistent with developmental regression.

🧿 Toilet training should be approached using positive reinforcement, patience, and encouragement rather than punishment.

🧿 At 18 months, some toddlers may begin showing readiness for toilet training, although readiness varies considerably among children.

🧿 Parents should praise successful attempts and cooperation, which helps the toddler associate toileting with a positive experience.

🧿 Scolding, punishment, or shaming after accidents can create anxiety, resistance, and negative feelings about toileting.

🧿 Toddlers are developing autonomy, described in Erikson's stage of autonomy versus shame and doubt, so supportive opportunities for independence are especially important.

🧿 Parents should recognize that accidents are expected while the child develops bowel and bladder control.

🧿 Toilet teaching should be based on the child's physical and developmental readiness, rather than parental pressure or a rigid age requirement.

🧿 Therefore, advising parents to use praise rather than scolding is the most helpful anticipatory guidance.

♦️ Play is an essential part of infant development and begins through interactions with caregivers very early in life.

♦️ Simple games such as peek-a-boo, pat-a-cake, smiling, talking, and imitation provide opportunities for meaningful caregiver-infant interaction.

♦️ Repeated positive interactions help establish a strong emotional bond and secure attachment between the infant and caregiver.

♦️ Familiar voices, facial expressions, touch, and playful interactions provide the infant with feelings of comfort, safety, and security.

♦️ Play also promotes cognitive development by allowing the infant to explore cause and effect, object permanence, sounds, movements, and the environment.

♦️ Interactive play supports language development because infants hear words, sounds, rhythms, and changes in the caregiver's voice.

♦️ Play also contributes to social and emotional development as infants learn to respond to facial expressions and participate in reciprocal interactions.

♦️ Therefore, caregiver-infant games provide both developmental stimulation and opportunities for bonding, making this the best answer.