Smiths 3,4,5,6,7

Question 1

Is continuous breathing dependent or independent of PaCO2?

Answer 1

Independent

Question 2

Is continuous breathing dependent or independent of PaO2?

Answer 2

Dependent- hypoxia abolishes continuous breathing

Question 3

What creates autopeep in the infant?

Answer 3

Inspiration starts during midexpiration
High RR
These mechanisms are lost with anesthesia and or muscle relaxers

Question 4

How do infants maintain FRC?

Answer 4

Sustained tonic activities of inspiratory muscles
narrowing of glottis during expiration
high rr- auto peep
inspiration mid expiration - auto peep

Question 5

RR at birth

Answer 5

47RR

Question 6

RR at 6 and 12 months

Answer 6

33
26

Question 7

PaO2 of newborn 1 hour old and 24 hours

Answer 7

62
68

Question 7

% of RAW

Answer 7

Upper- 65 (mouth, nose, pharync, larynx
Lower- 35 (trachea, bronchi, bronchioles, alveoli)

Question 8

p50 at birth

Answer 8

24 (left shift)

Question 9

SVR and PVR in the fetus

Answer 9

High PVR
Low SVR

Question 10

O2 sat thru the fetal heart

Answer 10

SVC- 40
IVC- 70
RA-
RV- 55
LA-
LV- 65

Question 11

HR of newborn, 3 months, 2 years, 10 years

Answer 11

100-180
100-220
80-150
70-110

Question 12

maintenance fluid and rate for neonates

Answer 12

d5.75NS 4ml/kg/kr or 6 if trauma