3. Distinguish between V-fib (V), A-fib (A), partial heart block (P) and complete heart block (C) by placing the appropriate letters by the description given. Put the ONE best answer in each blank. a. PR segment consistently lengthened b. ventricles contract at v. slow, regular pace ___ c. P wave incoherent but QRS normal: A d. Cardiac output reduced to ~ zero:

b. Alveolar dead space

Explanation:

Based on the information provided within the question it can be said that the statement that would best indicate that the nurse understands the condition would be "Alveolar dead space". This is because, this is the name of the condition being described by the pulmonologist. It is the sum of the volumes of the alveoli that are ventilated but not perfused due to almost no blood flowing through their pulmonary capillaries.