Which Laboratory Blood Test Result for a Patient Taking Trimethoprim/sulfamethoxazole

question 10

Multiple Choice

Which laboratory blood test result for a patient taking trimethoprim/sulfamethoxazole (Septra) should you report immediately to the prescriber?

• A) Red blood cells (RBCs)2.2 million/mm³
• B) International normalized ratio (INR)1.6
• C) White blood cells (WBCs)6000/mm³
• D) Sodium 134 mEq/L

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Definitions:

Homeostasis

The balanced internal environment of the body; the automatic tendency of an organism to maintain such a steady state.

Internal Environment

The conditions and processes within an organism that contribute to its functioning.

Stimuli

External or internal agents that provoke a response in living organisms or individual cells.

Cellular Respiration

The series of metabolic processes by which living cells produce energy through the oxidation of organic substances.