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Normal Quiz #5

PAO2 Varies directly with FiO2 and barometric pressure (PB)
True
False
PAO2 = FiO2 x (PB - 47 mmHg) – (1.25 x PaCO2 mmHg) is the formula for PAO2
True
False
P(A – a)O2 = PAO2 - PaO2 is the A-a gradient formula.
True
False
CaO2= (Hb x 1.34 x SaO2) + (0.003 x PaO2) is for arterial oxygen content.
True
False
CvO2= (Hb x 1.34 x SvO2) + (0.003 x PvO2) is for venous oxygen content.
False
True
C(a-v)O2 = CaO2 - CvO2 is for arterial-venous oxygen difference.
True
False
VO2 = QT x C(a-v)O2 x 10 is for finding VO2 which is O2 consumption.
True
False
The RQ (respiratory quotient) is 0.67-1.3 which = CO2 production/O2 consumption
True
False
Which is the normal for C(a-v)O2 difference?
10 vol%
6 vol%
4-5 vol%
0%
What is the normal CaO2- arterial oxygen content?
1-7 vol%
3-8 vol%
16-18 vol%
17-20 vol%
What is the normal CvO2- venous oxygen content?
4-9 vol%
8-19 vol%
12-16 vol%
1 vol%
The a/A ratio is greater than 0.74
True
False
Normal PAO2 is 100 mmHg.
True
False
A-a gradient greater than 300mmHg means what?
V/Q mismatch
Shunting
ARDS
Pulmonary embolism
A-a gradient of 66-300mmHg means?
Shunting
V/Q mismatch
ARDS
Normal
Normal A-a gradient is 5-10 on 21% and 25-65 on 100%.
True
False
Normal for C(a-v)O2 arterial-venous oxygen difference is?
4-5 vol%
6-9 vol%
10-12 vol%
14-18 vol%
What is the normal for VO2 which is O2 consumption?
250 ml/minute
2000 ml/minute
205 ml/minute
215 ml/minute
What is the normal for VCO2 which is CO2 production?
20 ml/minute
300 ml/minute
240 ml/minute
200 ml/minute
What is the normal P/F ratio is?
3000 mmHg
Greater than 380 mmHg
Less than 300 mmHg
2000 mmHg
P/F ratio less than 300 is ALI and less than 200 is ARDS.
True
False
Mild ARDS is 200-300, Moderate ARDS 100-200, Severe ARDS less than 100
True
False
Normal Oxygen Index (OI) is less than 10.
True
False
The normal for QS/QT (Shunt) is 3-5%...10-20% tolerable....20-30% life threatening
True
False
Venous oxygen saturation (SvO2) normal is 70-75%.
True
False
Partial pressure of oxygen in mixed venous blood (PvO2) normal is 40 mmHg.
True
False
The formula for VD/VT = (PaCO2-PeCO2)/PacO2
True
False
What is the normal for VD/VT ratio?
30mmHg
45mmHg
35-45 mmHg; 20-40%(upto 60% with Vent pts)
50mmHg
VD(anatomic) is 1mL/lb of ideal body weight (IBW).
True
False
VD(mechanical) is 10mL/inch of corrugated tubing.
True
False
Laryngoscope blade sizes: Adult?
Size 1
Size 3
Size 4
Size 0
Laryngoscope blade sizes:Pediatric?
Size 3
Size 1
Size 0
Size 4
Laryngoscope blade sizes: Term Infant?
Size 0
Size 3
Size 1
Size 4
Laryngoscope blade sizes: Pre-Term Infant
Size 1
Size 3
Size 4
Size 0
Endotracheal Tube Sizes: Pre-term Neonate
2.5-3.0
3.0-3.5
7.5-8.5
Age/4+4
Endotracheal Tube Sizes: Full term Neonate
2.5-3.0
3.5-4.0
3.0-3.5
4.5-5.0
Endotracheal Tube Sizes:Adult Male
4.0-5.0
7.5-8.5
8.0-9.0
5.8-6.0
Endotracheal Tube Sizes:Adult Female
8.0-9.0
4.0-5.0
6.5-8.0
Age/4+4
Endotracheal Tube Sizes: Pediatric
3.0-3.5
Age/4+4
4.0-4.5
Age-4
The neonate tube insertion depth can be found via: WEIGHT IN KG+6(NRP)
True
False
Adult ETT size can be found (wt in kg/10) approx size
True
False
Greater than 25 cm on ETT tube means right mainstem intubation
False
True
Ett placement on XRAY is 2cm or 1 inch above carina -or- at the aortic knob/notch
True
False
Nasal intubation tube depth is 26-29 at the nares.
True
False
Insertion depth for Pediatric pt is ETT size x 3
True
False
What is ORAL tube insertion depth-MALE?
30cm
25cm
21-25cm @lip
19-22cm @lip
What is ORAL tube insertion depth-FEMALE?
35cm
24cm
19-22cm @lip
21-25cm @lip
According to kettering, clinical practice is 2-6 cm above carina for ett tube
True
False
Normal cuff pressures should be less than 20mmHg or less than 25cmH2O
True
False
Cuff pressures greater than 25mmHg?
Impedes Lymphatics
Impedes Veins
Impedes Arteries-Necrosis
Normal
Cuff pressures greater than 30mmHg?
Impedes Lymphatics
Impedes Veins
Impedes Arteries- Necrosis
Normal
Cuff pressures greater than 35mmHg?
Impedes Lymphatics
Impedes Veins
Impedes Arteries- Necrosis
Normal
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