Growth and Development Flashcards
T/F: Lymphoid tissue volume increases before puberty and declines until reaching adulthood
True
With genetic short stature is bone age consistent with chronological age?
Yes
Which type of growth delay is defined as delayed puberty, marked height discrepancy and then followed by catch-up growth once in puberty?
Constitutional growth delay
For constitutional growth delay is there bone age delay?
Yes, delayed for chronological age
When does the fastest head growth occur and how fast is it per week?
0-2 months, average 0.5cm/week
After 2 years of age, what is the average height increase that occurs until adolescence per year?
2 inches per year
When does birth length triple by?
13 y/o
When does birth weight double?
4 months
T/F: IUGR w/ early infant catch up growth is associated with obesity
True
What is the definition of metabolic syndrome?
The co-occurrence of metabolic risk factors for both T2DM and atherosclerotic CV disease
What condition is characterized by excess brain tissue due to increased size or number of brain cells?
Megalencephaly
What is a common cause of benign macrocephaly in otherwise normal infants?
Isolated enlargement of the subarachnoid space
When do cranial sutures close completely by?
12-24 months
When do cranial sutures ossify by?
8 years of age
What is the most common type of craniosynostosis?
Sagittal (Scaphocephaly)
The closure of which suture causes anterior plagiocephaly?
Coronal suture
Which type of craniosynostosis causes a triangle shaped skull?
Trigonocephaly (closure of metopic suture)
What syndrome often reults in bilateral premature closure of coronal sutures? Normal hands and feet
Crouzon syndrome
What syndrome causes premature closure of multiple suture? Syndactyly & low IQ.
Apert syndrome
Which syndrome includes
- fusion of multiple sutures
- syndactyly
- intellectual disability
- corneal opacities
Carpenter syndrome
Which syndrome consists of
- brachycephaly
- midface hypoplasia
- finger/toe abnormalities
Pfeiffer syndrome
Which are the primitive reflexes and when do they disappear by?
Moro, rooting, sucking, hand grasp
disappear by 3-4 months of age
When does the babinski reflex disappear?
9-12 months
What is defined as an intellectual disability?
IQ score of > 2SD below population mean
AND adaptive skill impairment
When should MCHAT be done for autism screening?
18 month and 24 month visit or any parental concern
Which vaccine can suppress tuberculin reaction on PPD?
Measles
Must wait 4-6 week after vaccine is given, OR do it on the same day as vaccine administration
If MMR vaccine is given to a child < 12 months due to post-exposure ppx, when should the next dose be given?
Still at 12-15 months and 4-6 years
During what weeks should the TDaP vaccine be given during pregnancy?
27-36 weeks
What minimum weight must a baby be to receive the Hep B vaccine?
2kg
If mom is Hep B surface Ag positive, what should be done for baby after birth?
Within 12 hours requires the hep B vaccine and immunoglobulin regardless of baby weight
Above what age is DTaP not given?
7
T/F: Egg allergy is an absolute contraindication to MMR vaccine administration
False
By when must be the rotavirus vaccine series be completed?
8 months
