Question 1 (15/100). The highest blood pressure measured in...

Name: Question 1 (15/100). The highest blood pressure measured in the upper arm of a healthy person is around 120 mmHg. Consider a vertical tube with its open end exposed to the atmosphere, connected to a vein in the arm. How high will the blood rise within this tube? The density of blood is 1040 kg/m³, and the density of mercury is 13600 kg/m³.
Uploaded: 2025-06-23T14:22:51-08:00
Duration: 2 min 1 s
Channel: Supratim Pal
Description: Question 1 (15/100). The highest blood pressure measured in the upper arm of a healthy person is around 120 mmHg. Consider a vertical tube with its open end exposed to the atmosphere, connected to a vein in the arm. How high will the blood rise within this tube? The density of blood is 1040 kg/m³, and the density of mercury is 13600 kg/m³.

Question 1 (15/100). The highest blood pressure measured in the upper arm of a healthy person is around 120 mmHg. Consider a vertical tube with its open end exposed to the atmosphere, connected to a vein in the arm. How high will the blood rise within this tube? The density of blood is 1040 kg/m³, and the density of mercury is 13600 kg/m³.

Blood pressure in humans is normally expressed as a ratio $x / y,$ where $x$ is the maximum arterial pressure in $\mathrm{mm} \mathrm{Hg},$ called the systolic pressure, and $y$ is the minimum arterial pressure in $\mathrm{mm} \mathrm{Hg},$ called the diastolic pressure. A typical blood pressure is $120 / 70$. Blood pressure readings are normally taken as the same level as the heart, and blood at $37^{\circ} \mathrm{C}$ has a density of around $1060 \mathrm{~kg} / \mathrm{m}^{3}$. (a) Consider a (tall) person whose head is $0.48 \mathrm{~m}$ above her heart and whose toes are $1.46 \mathrm{~m}$ below her heart. Assuming static conditions, compare the blood pressure in her head to the blood pressure in her toes. (b) If a tube were connected to the artery in which the blood pressure was being measured, what would be the maximum height that blood would rise in the tube?

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