Pediatric ATI Exam Questions and
Answers with Complete Solutions
When does the posterior fontanel close? - ANSWER 6-8 weeks
When does the anterior fontanel close? - ANSWER 12-18 months
How many teeth should an infant have by age 1? - ANSWER 6-8
When is the Moro reflex present? - ANSWER Birth-4 months
When is the palmar grasp present? - ANSWER Birth -3 months
When is the plantar grasp present? - ANSWER Birth-8 months
When are the sucking and rooting reflexes present? - ANSWER Birth-4 months
When is the startle reflex present? - ANSWER Birth-4 months
When is the tonic neck reflex present? - ANSWER Birth-3-4 months
When is the Babinski reflex present? - ANSWER Birth -1 year
When is the stepping reflex present? - ANSWER Birth- 4 weeks
1 month - ANSWER Head lag, strong grasp reflex
2 months - ANSWER Lifts head off mattress when prone, holds hands in open position,
grasp reflex fades
3 months - ANSWER Raises head and shoulders off mattress when prone, only slight
head lag, no longer has a grasp reflex, keeps hands loosely open.
4 months - ANSWER Rolls from back to side, grasps objects with both hands
5 months - ANSWER Rolls from front to back, uses palmar grasp dominantly.
6 months - ANSWER Rolls from back to front, holds bottle
7 months - ANSWER Bears full weight on feet, sits, moves objects from hand to hand
, 8 months - ANSWER Sits unsupported, begins using pincer grasp.
9 months - ANSWER Pulls to a standing position, creeps on hands and knees instead
of crawling, has a crude pincer grasp, dominant hand preference is evident
10 months - ANSWER Changes from a prone to a sitting position, grasps rattle by its
handle.
11 months - ANSWER Cruises or walks while holding onto something, walks with one
hand held, places objects into container, neat pincer grasp.
12 months - ANSWER Sits down from a standing position without assistance, tries to
build a two-block tower without success, can turn pages in a book.
15 months - ANSWER Walks without help, creeps upstairs, uses a cup well, builds a
tower of two blocks
18 months - ANSWER Runs clumsily, falls often, throws ball overhand, jumps in place
with both feet, pulls and pushes toys, manages a spoon without rotation, turns pages in
a book, builds tower of three or four blocks
2 years - ANSWER Walks up and down stairs by placing both feet on each step, builds
a tower of six or seven blocks, turns pages of books one at a time
2.5 years - ANSWER Jumps access the floor and off a chair or step using both feet,
stands on one foot momentarily, takes a few steps on tiptoe, draws circles, has good
hand-finger coordination.
3 years - ANSWER Rides tricycle, jumps off bottom step, stands on one foot for a few
seconds
4 years - ANSWER Skips and hops on one foot, throws ball overhead, catches ball
reliably
5 years - ANSWER Jumps rope, walks backward with heel to toe, throws a ball and
catches ball with ease
If the infant clenches their eyes closed when administering eye drops, where should you
administer the drops? - ANSWER In the nasal corner because when he opens his eyes,
the meds will enter the eye.
When should lidocaine or prilocaine be applied before a puncture? - ANSWER 60
minutes before a superficial puncture or 2.5 hours prior to a deep puncture.
Fentanyl - ANSWER used for children older than 12 for continuous pain control
Answers with Complete Solutions
When does the posterior fontanel close? - ANSWER 6-8 weeks
When does the anterior fontanel close? - ANSWER 12-18 months
How many teeth should an infant have by age 1? - ANSWER 6-8
When is the Moro reflex present? - ANSWER Birth-4 months
When is the palmar grasp present? - ANSWER Birth -3 months
When is the plantar grasp present? - ANSWER Birth-8 months
When are the sucking and rooting reflexes present? - ANSWER Birth-4 months
When is the startle reflex present? - ANSWER Birth-4 months
When is the tonic neck reflex present? - ANSWER Birth-3-4 months
When is the Babinski reflex present? - ANSWER Birth -1 year
When is the stepping reflex present? - ANSWER Birth- 4 weeks
1 month - ANSWER Head lag, strong grasp reflex
2 months - ANSWER Lifts head off mattress when prone, holds hands in open position,
grasp reflex fades
3 months - ANSWER Raises head and shoulders off mattress when prone, only slight
head lag, no longer has a grasp reflex, keeps hands loosely open.
4 months - ANSWER Rolls from back to side, grasps objects with both hands
5 months - ANSWER Rolls from front to back, uses palmar grasp dominantly.
6 months - ANSWER Rolls from back to front, holds bottle
7 months - ANSWER Bears full weight on feet, sits, moves objects from hand to hand
, 8 months - ANSWER Sits unsupported, begins using pincer grasp.
9 months - ANSWER Pulls to a standing position, creeps on hands and knees instead
of crawling, has a crude pincer grasp, dominant hand preference is evident
10 months - ANSWER Changes from a prone to a sitting position, grasps rattle by its
handle.
11 months - ANSWER Cruises or walks while holding onto something, walks with one
hand held, places objects into container, neat pincer grasp.
12 months - ANSWER Sits down from a standing position without assistance, tries to
build a two-block tower without success, can turn pages in a book.
15 months - ANSWER Walks without help, creeps upstairs, uses a cup well, builds a
tower of two blocks
18 months - ANSWER Runs clumsily, falls often, throws ball overhand, jumps in place
with both feet, pulls and pushes toys, manages a spoon without rotation, turns pages in
a book, builds tower of three or four blocks
2 years - ANSWER Walks up and down stairs by placing both feet on each step, builds
a tower of six or seven blocks, turns pages of books one at a time
2.5 years - ANSWER Jumps access the floor and off a chair or step using both feet,
stands on one foot momentarily, takes a few steps on tiptoe, draws circles, has good
hand-finger coordination.
3 years - ANSWER Rides tricycle, jumps off bottom step, stands on one foot for a few
seconds
4 years - ANSWER Skips and hops on one foot, throws ball overhead, catches ball
reliably
5 years - ANSWER Jumps rope, walks backward with heel to toe, throws a ball and
catches ball with ease
If the infant clenches their eyes closed when administering eye drops, where should you
administer the drops? - ANSWER In the nasal corner because when he opens his eyes,
the meds will enter the eye.
When should lidocaine or prilocaine be applied before a puncture? - ANSWER 60
minutes before a superficial puncture or 2.5 hours prior to a deep puncture.
Fentanyl - ANSWER used for children older than 12 for continuous pain control
