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Suppose Joey was exposed to antigen X for the first time, and 2 days later his blood serum contained 2 x 106 anti-X antibodies per milliliter. Six months later, Joey is again exposed to antigen X. 2 days after the second exposure, you would expect his serum anti-X antibody concentration to be ____________ 2 x 106 per milliliter.

Each of the following conditions is associated with respiratory acidosis EXCEPT:

High levels of ketones in the blood of a person with uncontrolled diabetes can lead to

The class of immunoglobulin that would be associated with anaphylaxis:

Choose the FALSE statement concerning antigens:

If the blood colloid osmotic pressure and the capsular hydrostatic pressure are exceedingly high, then will urine production increase or decrease?

During a primary immune response, which of the following is the last line of defense against an invading pathogen?

Which of the following structures drains into the collecting tubule?

Choose the FALSE statement concerning nephrons:

Glucose reabsorption by the kidneys involves the movement of ______ and glucose into the cell together by a(n) _____________ protein.