Newborn Flashcards
How much does a mature female newborn weigh?
3.2 kg (7.0 lb)
How much does a mature male newborn weigh?
3.4 kg (7.5 lb)
What is the arbitrary lower limit of expected birth weight for all newborns?
2.5 kg (5.5 lb)
What is a condition that usually occurs in conjuction with a maternal illness?
Macrosomia (larger baby)
What is the arbitrary upper limit of expected birth weight for all newborns?
4.5 kg (10 lb)
How much weight does a newborn lose during the first few days?
5% to 10% of birth weight
How much weight does a newborn gain per month for the first 6 months?
2 lbs
In how many days do breastfed infants gain back their birth weight?
10 days
In how many days do formula-fed infants gain back their birth weight?
7 days
What is the lower limit of expected birth length?
46 cm (18 in.)
What is the standard head circumference for newborns?
32.5 to 36 cm (12.7 to 14.1 in)
What is the temperature of newborns at birth?
99 F (37.2 C)
What is the temperature of birthing rooms?
approx. 21 C to 22 C
What is the flow of heat from the newborn’s body surface to cooler SURROUNDING AIR?
Convection
What is the transfer of body heat to a cooler solid object NOT IN CONTACT with the baby?
Radiation
What is the transfer of body heat to a cooler solid object IN CONTACT with the baby?
Conduction
What is the loss of heat through conversion of a liquid to a vapor?
Evaporation
Where is are the greatest amounts of brown fat located?
intrascapular region, the thorax, and behind the kidneys
What is the average heart rate of a fetus in utero?
110 to 160 bpm
What is the average heart rate of a fetus 1 hour after birth?
120 to 160 bpm
What is an indication for coarctation (narrowing) of the aorta?
absent femoral pulses
What is the average RR of a newborn in the first few minutes of life?
90 cpm
What is the average RR of a newborn after the first hour?
30 to 60 cpm
What are periodic respirations?
irregular respiratory rate, depth, and rhythm
What is the average BP of a newborn after birth?
80/46 mmHg
What is the average BP of a newborn after 10 days?
100/50 mmHg
What happens to the pressure in the pulmonary artery after the first breath?
decreases
True or False: The ductus arteriosus begins to close after the pressure in the pulmonary artery decreases
True
What is the average blood volume of a newborn?
80 to 110 mL per kg of body weight or about 300 mL total
True or False: A baby born by CS does not have as much lung fluid expelled at birth as one born vaginally and so typically has more difficulty establishing respiration
True
What is the first stool of a newborn that accumulated in the bowel during intrauterine life?
meconium
What is the stool on the second or third day of life called?
Transitional stool
What happens to the stool of a newborn placed under phototherapy light for jaundice?
bright green because of increased bilirubin excretion
What is caused by the accumulation of excess bilirubin?
Hyperbilirubinemia
What is potentially serious because it usually occurs in the result of anemia
Pallor
What are vascular tumors of the skin?
Hemangiomas
When does the anterior fontanelle normally close?
12 to 18 months
What is the edema of the scalp?
Caput Succedaneum
