Which of the following mechanisms helps to eliminate excess H+ via the kidneys? 1. Reabsorption of HCO3– 2. Phosphate buffering 3. Ammonia buffering

a. 2 and 3 only
b. 1 and 3 only
c. 2 only
d. 1, 2, and 3

ANS: D
After all available HCO3– ions react with H+ ions, the remaining H+ ions react with two other fil-trate buffers, phosphate and ammonia, as illustrated in Figures 13-4 and 13-5.

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Which of the following is an example of software that allows a laboratory to connect their existing LIS and instrumentation to facilitate sharin information and performs tasks not currently done with laboratories' existing hardware and software?

A. Middleware B. LIS-HIS interface C. RS232 software D. Computer operating system

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A condition in which the eyes jump back and forth in rythmic jerks due to an injury is _________.

Fill in the blank(s) with the appropriate word(s).

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