What is the normal mean pulmonary artery pressure range?

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Multiple Choice

What is the normal mean pulmonary artery pressure range?

Explanation:
The mean pulmonary artery pressure is the average pressure in the pulmonary artery over the cardiac cycle. In healthy adults, this mean value is typically in the low teens, commonly cited as about 10–20 mmHg. Values in this range reflect a normal, low-pressure pulmonary circulation. Pressures higher than this range—often considered around 25 mmHg or more in older guidance—suggest pulmonary hypertension, while much lower values are unusual at rest. Among the given options, 10–20 mmHg best matches the normal resting mean, so it’s the correct choice. The other ranges either refer to systolic pressure or fall outside the typical mean-resting range.

The mean pulmonary artery pressure is the average pressure in the pulmonary artery over the cardiac cycle. In healthy adults, this mean value is typically in the low teens, commonly cited as about 10–20 mmHg. Values in this range reflect a normal, low-pressure pulmonary circulation. Pressures higher than this range—often considered around 25 mmHg or more in older guidance—suggest pulmonary hypertension, while much lower values are unusual at rest. Among the given options, 10–20 mmHg best matches the normal resting mean, so it’s the correct choice. The other ranges either refer to systolic pressure or fall outside the typical mean-resting range.

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