Milestones — MCQs

A 6-month-old boy is brought to the physician for a well-child examination. The boy was born at term, and the pregnancy was complicated by prolonged labor. There is no family history of any serious illnesses. He can sit upright but needs help to do so and cannot roll over from the prone to the supine position. He can grasp his rattle and can transfer it from one hand to the other. He babbles. He cries if anyone apart from his parents holds him or plays with him. He touches his own reflection in the mirror. Vital signs are within normal limits. He is at the 40th percentile for head circumference, 30th percentile for length, and 40th percentile for weight. Physical examination reveals no abnormalities. Which of the following developmental milestones is delayed in this infant?

A female child presents to her pediatrician for a well child visit. Her mother reports that she is eating well at home and sleeping well throughout the night. She can jump and walk up and down stairs with both feet on each step. In the doctor’s office, the patient builds a six-cube tower and imitates a circle. She seems to have a vocabulary of over 50 words that she uses in two-word sentences. Her mother reports that the patient enjoys playing near other children and sometimes argues over toys with her older brother. On physical exam, she appears well developed and well nourished, and she is following along her growth curves. The child is assessed as developmentally normal. Which of the following is an additional milestone associated with this child’s age?

A mother brings her infant for a regular well-child check-up with the pediatrician. During the routine developmental examination, the physician notes that the child is looking at him with his head lifted upwards when he is about to pick up the child from the table. At what age is it common to begin to observe this finding in a child, assuming that the child is developmentally normal?

You are asked to examine a 1-year-old child brought to the emergency department by his sister. The sister reports that the child has been acting strangely since that morning after "getting in trouble" for crying. The child appears lethargic and confused and is noted to have a cigarette burn on his forearm. Emergency head CT reveals a subdural hematoma. Which of the following additional findings is most likely?

A mother brings her 25-month-old son to the pediatrician’s office for a well child visit. She reports he had an ear infection 3 months ago for which he took a short course of antibiotics but has otherwise been well. He is now in daycare where he likes to play with the other children. She says he can stack multiple cubes and enjoys playing with objects. He goes outside frequently to play with a ball and is able to kick it. While talking to the mother, the patient and his sister draw on paper quietly side by side. His mother says he knows about 200 words and he frequently likes to use “I” sentences, like “I read” and “I drink”. His mother does complain that he throws more tantrums than he used to and she has found it harder to get him to follow instructions, although he appears to understand them. Which of the following milestones is delayed in this child?

A male child is presented at the pediatric clinic for a well-child visit by his mother who reports previously normal developmental milestones. The child was born at 40 weeks with no complications during pregnancy or birth. The mother notes that the infant is able to sit without support. He is able to feed himself crackers and pureed food. He is constantly shaking his toy teddy bear but is able to stop when the mother says 'no'. Which of the following indicate the most likely language milestone the child presents with?

A 2-month-old is brought to the physician for a well-child examination. She was born at 39 weeks gestation via spontaneous vaginal delivery and is exclusively breastfed. She weighed 3,400 g (7 lb 8 oz) at birth. At the physician's office, she appears well. Her pulse is 136/min, the respirations are 41/min, and the blood pressure is 82/45 mm Hg. She weighs 5,200 g (11 lb 8 oz) and measures 57.5 cm (22.6 in) in length. The remainder of the physical examination is normal. Which of the following developmental milestones has this patient most likely met?