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What is the normal PO2 and PCO2 in mixed venous blood returning to the lungs?
PvO2 = 40mm Hg, PvCO2 = 46mmHg
Pressure in this blood vessel might be 20 mm Hg?
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How does PCO2 level in blood affect the pH level in blood?
In healthy subjects the mean PCO2 fall 18 mm Hg from the baseline and mean PO2 rise 7 mmHg
Are veins oxgenated?
No. All veins are carry de-oxygenated blood. Veins carry de-oxygenated blood to the heart so that the heart in turn can pump that de-oxygenated blood to the lungs where they will become oxygenated.
What is hypoxic threshold?
When the aterial PO2 drops and becomes around 60 to 70 mm Hg, an increase in ventilation occurs. This is caused by a low PO2 in the blood and is detected by the carotid bodies (chemoreceptor), because the aortic and central chemoreceptors do not detect a change in arterial PO2
What is the PO2 of the alveoli?
Normal atmospheric pressure of air is 150 mm Hg for oxygen (around 610 mm Hg for nitrogen). This equals 760 mm Hg in the atmosphere. In the alveoli, however, pressure is lower because 30% is being used by tissues, leaving 70% of 150 mm Hg oxygen in the alveoli. That means around 100-105 mm Hg is the partial pressure of oxygen in alveoli.
What is the mm hg blood pressure in the glomerulus?
60mmhg
Normal blood pressure value is 140 90mm Hg true or false?
False, normal blood pressure is a value of 120/80 mm Hg or lower.
What is a real name of hg?
hg = haemoglobin , which is the oxygen carrying pigment , present in our blood Perhaps this question refers to the chemical symbol: Hg [Mercury the metal that is liquid at room temperature] Hg comes from the Latin for Mercury: Hydrargyrum.
Partial pressure of oxygen in interstitial space of peripheral tissues?
The partial pressure of oxygen in the interstitial space of peripheral tissues is typically around 40 mmHg. This level is lower than the partial pressure of oxygen in arterial blood, which is around 100 mmHg. Oxygen diffuses from blood capillaries into the interstitial space to reach cells for metabolism.
What is a normal blood pressure reading?
The normal blood pressure is usually between 120-140 mm Hg (systolic) and 80 - 90 mm Hg (diastolic). Anything higher will be considered as high blood pressure
Name blood vessels that contain valves?
Valves are in the veins.
