Neonatal A&P Flashcards
(48 cards)
Each vital sign is consistent with the term newborn EXCEPT:
a. heart rate 140 bpm
b. respiratory rate 40 bpm
c. systolic blood pressure 90 mmHg
d. diastolic blood pressure 40 mmHg
c. systolic BP 90 mmHg
The neonatal period encompasses the first _________ of life
28 days of life
The infant period lasts from
29 days to one year
Newborn BP is
70/40
Newborn RR is
40-60
Newborn HR is
140
1 year old BP is
95/60
1 year old HR is
120
1 year old RR is
40
3 year old BP is
100/65
3 year old HR is
100
3 year old RR is
30
12 year old BP is
110/70
12 year old HR is
80
12 year old RR is
20
Select the statements that MOST accurately reflect the CV system in the newborn. (select 2)
a. heart rate is the primary determinant of blood pressure
b. phenylephrine is a first-line treatment for hypotension
c. stress is more likely to activate the parasympathetic system
d. hypotension is defined as a systolic BP <70 mmHg
a. heart rate is the primary determinant of BP
c. stress is more likely to activate the parasympathetic nervous system
Neonates consume _______ as much oxygen and produce _______ as much CO2 than the adult on a weight-adjusted basis
2x; 2x
_________ is the primary determinant of cardiac output and systolic blood pressure in the neonate.
Heart rate
______ is relatively fixed in the neonate
stroke volume
The best way to support BP in the neonate is _________ because
increasing heart rate because of the non-compliant left ventricle sensitive to increased afterload
What is more mature in the neonate SNS or PNS?
PNS is more mature
Neonates respond to the stress of laryngoscopy with
bradycardia
Although the neonate has an immature SNS, ____ activates the SNS
pain
What predisposes the neonate to intracerebral hemorrhage?
hypertension
immature cerebral autoregulatory response
frail cerebral vasculature