Gross motor 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 two-year-old female presents to the pediatrician with her mother for a routine well-child visit. Her mother is concerned that the patient is a picky eater and refuses to eat vegetables. She drinks milk with meals and has juice sparingly. She goes to sleep easily at night and usually sleeps for 11-12 hours. The patient has trouble falling asleep for naps but does nap for 1-2 hours a few times per week. She is doing well in daycare and enjoys parallel play with the other children. Her mother reports that she can walk down stairs with both feet on each step. She has a vocabulary of 10-25 words that she uses in the form of one-word commands. She is in the 42nd percentile for height and 48th percentile for weight, which is consistent with her growth curves. On physical exam, she appears well nourished. She can copy a line and throw a ball. She can follow the command to “give me the ball and then close the door.” This child is meeting her developmental milestones in all but which of the following categories?

A 15-month-old boy is brought to the pediatrician’s office by his mother due to abnormal muscle tone and an inability to walk. He was able to control his head at 5 months of age, roll at 8 months of age, sit at 11 months of age, and develop hand preference at 13 months of age. On physical exam, he is observed to asymmetrically crawl. He has a velocity-dependent increase in tone and 3+ biceps and patellar reflexes. His startle, asymmetric tonic neck, and Babinski reflexes are present. Which of the following is the most common risk factor for developing this patient’s clinical presentation?

A 12-month-old boy is brought to the physician for a well-child examination. He was born at 38 weeks' gestation and was 48 cm (19 in) in length and weighed 3061 g (6 lb 12 oz); he is currently 60 cm (24 in) in length and weighs 7,910 g (17 lb 7 oz). He can walk with one hand held and can throw a small ball. He can pick up an object between his thumb and index finger. He can wave 'bye-bye'. He can say 'mama', 'dada' and 'uh-oh'. He cries if left to play with a stranger alone. Physical examination shows no abnormalities. Which of the following is most likely delayed in this child?

A 3-year-old girl is brought to the physician for a well-child examination. She was born at term and has been healthy since. She can climb up and down the stairs and can pedal a tricycle. She has difficulty using a spoon to feed herself but can copy a line. She speaks in 2- to 3-word sentences that can be understood by most people. She is selfish while playing with children her age and throws tantrums quite often. She cannot put on her own shoes and socks. She does not tolerate separation from her parents. She is at 60th percentile for height and weight. Physical examination including neurologic examination reveals no abnormalities. Which of the following is the most appropriate assessment of her development?

A 2-year-old girl is brought to the physician by her mother for a well-child examination. She is at the 55th percentile for height and the 40th percentile for weight. Vital signs are within normal limits. Physical examination shows no abnormalities. She is able to follow simple commands, such as “close your eyes, then stick out your tongue,” but she is unable to follow 3-step commands. She knows approximately 75 words, and half of her speech is understandable. She can say 2-word phrases, and she is able to name many parts of the body. Assuming normal development, which of the following milestones would be expected in a patient this age?

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 child presents to his pediatrician’s clinic for a routine well visit. He can bend down and stand back up without assistance and walk backward but is not able to run or walk upstairs. He can stack 2 blocks and put the blocks in a cup. He can bring over a book when asked, and he will say “mama” and “dada” to call for his parents, as well as 'book', 'milk', and 'truck'. How old is this child if he is developmentally appropriate for his 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?

An infant boy is brought to the physician for a well-child examination. He was born at term and has been healthy since. He is beginning to crawl but can not yet walk or run. He feeds himself small foods and can bang 2 cubes together. He is just beginning to successfully use a pincer grasp. He has stranger anxiety. He is at the 40th percentile for height and weight. Physical examination shows no abnormalities. Which of the following additional skills or behaviors would be expected in a healthy patient of this developmental age?