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WorksheetsThe respiratory system and anesthesia
Total questions: 9
Worksheet time: 9mins
Which pulmonary value is reduced in BOTH restrictive and obstructive lung disease?
VC
TV
RV
FRC
In which circumstances is supplemental oxygen LEAST likely to increases PaO2?
COPD
Pulmonary Fibrosis
Opioid Overdose
Pulmonary Edema
Which option initiates hypoxic pulmonary vasoconstriction?
Alveolar hypoxia
Alveolar hypercarbia
Pulmonary capillary hypoxia
Pulmonary capillary hypercarbia
Which of the following statement is/are TRUE regarding systemic effects of hypercapnia?
Arteriolar dilation
Increased sympathetic output
Pulmonary vasoconstriction
All of the above
Central chemoreceptors are primarily sensitive to changes in which of the following?
CO2
H+
O2
HCO3
Which of the following statements is true regarding the oxyhemoglobin dissociation curve?
Left shift leads to lower O2 affinity
Left shift leads to higher O2 affinity
Right shift leads to higher O2 affinity
None of the above
Which of the following is the mechanism of action of leukotriene modifiers?
Decreases production
Increases production
Acts as a receptor agonist
Acts as a receptor antagonist
Interpret this ABG: pH= 7.18, CO2= 38, HCO3= 16
Metabolic acidosis
Metabolic alkalosis
Respiratory acidosis
Respiratory alkalosis
Which of the following statements regarding HPV is FALSE?
HPV leads to bronchiolar constriction
HPV is stimulated by alveolar hypoxia
HPV decreases blood flow
HPV causes areas that were previously shunted to effectively become silent units
