AP BIOLOGY

Detailed explanation-1: -The systolic pressure in the right ventricle of the normal human being averages approximately 22 mm Hg, and the diastolic pressure averages about 0 to 1 mm Hg.

Detailed explanation-2: -The normal range (95% CI) of peak exercise RVSP is 12.2 mmHg to 57.4 mmHg in men, and 11.2 mmHg to 58.0 mmHg in women. The normal range for patients younger than 50 years, 50 to 75 years, and older than 75 years of age was 11.7 mmHg to 52.5 mmHg, 11.4 mmHg to 58.6 mmHg, and 15.3 mmHg to 64.5 mmHg, respectively.

Detailed explanation-3: -Low values. If the usual resting pulse pressure is measured as less than 40 mmHg, the most common reason is an error of measurement. If the pulse pressure is genuinely low, e.g. 25 mmHg or less, the cause may be low stroke volume, as in Congestive Heart Failure and/or shock, a serious issue.

Detailed explanation-4: -Normal pulmonary artery pressure is 8-20 mm Hg at rest. If the pressure in the pulmonary artery is greater than 25 mm Hg at rest or 30 mmHg during physical activity, it is abnormally high and is called pulmonary hypertension.