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What is not an indication for obtaining a blood gas sample?
Significant blood loss
Which of the following are common sites used to obtain arterial blood in neonates?
1. Umbilical artery
2. Radial artery
3. Femoral artery
5. Carotid artery
- Umbilical artery
- Radial artery
- Carotid artery
In the presence of right-to-left shunting of blood through the ductus arteriosus, arterial blood from the UAC would show:
A low arterial PO2
The complication of necrotizing enterocolitis is most prevalent in which of the following blood gas access sites?
Reliable values obtained from caplillary samples require which of the following?
Consistency in the technique
What best describes PaO2?
The pressure of oxygen dissolved in plasma
What defines alveolar ventilations?
Minute ventilation minus deadspace ventilation
As respiratory rate increases at a static tidal volume, which of the following occurs?
1. PaCO2 decreases
2. PaCO2 increases
3. Alveolar ventilation increases
4. Alveolar ventilation decreases
- PaCO2 decreases
- Alveolar ventilation increases
At a pH of 7.40, which of the following represents the correct balance of bicarbonate to dissolved carbon dioxide?
In the presence of respiratory acidosis, which of the following is the amount of bicarbonate the body retains for each 1 mm Hg increase in PaCO2?
Carbonic acid is formed by a combination of:
HCO3 and H+ ions
NaHCO3, if given too rapidly, could lead to:
The purpose of heating the skin the attachment site of the TCM is to:
Increase the perfusion to the area
Which of the following factors would cause PtCO2 to measure lower than actual arterial PO2?
2. Severe acidosis
3. Skin edema
5. Severe anemia
- Severe acidosis
- Skin edema
- Severe anemia
The greatest hazard associated with transcutaneous monitors is:
What would cause erroneous pulse oximetry readings?
Presence of carboxyhemoglobin
A major disadvantage of a mainstream end-tidal CO2 monitor is:
The greatest effect on the end-tidal CO2 monitor is exerted by:
An increasing PetCO2 may incicate which of the following?
1. Worsening oxygenation
2. Worsening V/Q ratio
3. Improving V/Q ratio
4. Improvement in alveolar deadspace disease
5. Increasing alveolar deadspace
- Worsening V/Q ratio
- Improvement in alveolar deadspace disease