Answer to Question 1
Ans:
B
Feedback:
Low blood pressure accompanied by warm, flushed skin and cognitive changes is indicative of septic shock, as is vessel dilatation and decreased vascular resistance.
Answer to Question 2
Ans:
A
Feedback:
Impaired blood flow to a portion of the lung, such as with a PE, is associated with ventilation without perfusion, rather than perfusion without ventilation. The situation is not related to an anatomic shunt or impaired diffusion across alveolar membranes.