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Fred is a lab tech at a clinic and is bored at work. He draws a sample of his own blood and analyses it. He finds that his hematocrit is 50, his hemoglobin concentration is 13 g/100 ml, his systemic arterial blood PO2 is 92 mmHg, and his systemic venous blood PO2 is 60 mmHg. What is the oxygen-carrying capacity of Fred’s venous blood?

Dissociation Curve Use this oxygen-hemoglobin dissociation curve to answer the following two questions.

What is Cushing’s disease a results of?

A person with a pheochromocytoma, a functional type of glandular tumor, is experiencing symptoms created by hypersecretion of epinephrine, including high blood pressure, elevated heart rate, excessive sweating, anxiety, and weight loss. Where would this neuroendocrine tumor most likely be located?

Dr. Hansen usually drinks a glass (8 oz, or 237 ml) of milk with breakfast. Cow’s milk contains approximately 0.1 M lactose (molecular weight = 342). How many grams of lactose does Dr. Hansen’s milk contain?

The immunoglobulins (also called antibodies or gamma globulins) are proteins found in the plasma. Which of the following cells are responsible for synthesizing these proteins?

The gate-control theory of pain modulation states that ________.

During exercise, which organs receive a decrease in the proportion of cardiac output received?

How does the complement system directly destroy invading bacteria?

Fred is still bored and begins admiring himself while flexing in front of a mirror. As a result, blood flow to his arm increases from 210 ml/min at rest to 1.8 L/min after flexing. Subclavian arterial PO2 (supplying the arm) remains constant at 92 mmHg, while the PO2 from his subclavian vein (blood leaving the arm) drops from 60 mmHg at rest to 25 mmHg after flexing. What is the oxygen content of his venous blood?