A client has been hospitalized with malaria. The nurse explains to a family member that the primary determining factor for drug selection with this disease process is:
1. age.
2. the genus of the infecting organism.
3. the stage of infection.
4. the geographical location.
Correct Answer: 3
Rationale 1: Age factors into dosage, but is not the determining factor.
Rationale 2: The infecting organism genus does not vary.
Rationale 3: The client's infection stage determines drug selection.
Rationale 4: Geographical location does not affect drug choice, although it might affect infective species.
Global Rationale: Different drugs are recommended for each stage of the infection. There are four different infective species all belonging to the genus Plasmodium. Age does not determine drug choice but may affect dosage. Geographical location does not affect drug choice, but may determine infecting organism species.
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