A nurse in an outpatient clinic is teaching a client about the criteria for being considered noninfectious. The nurse knows the client has understood the teaching when the client states:
1. "I am considered noninfectious when my white blood cell count is normal."
2. "I am considered noninfectious when my sputum culture and smear are negative."
3. "I am considered noninfectious when my PPD is negative."
4. "I am considered noninfectious when my chest x-ray is clear."
Correct Answer: 2
Rationale 1: A normal WBC is not a measure of being noninfectious.
Rationale 2: Negative sputum culture and smear are the best indictors of a noninfectious state.
Rationale 3: The PPD is not a measure of being noninfectious.
Rationale 4: The chest x-ray is not the primary indicator of absence of tuberculosis.
Global Rationale: Negative sputum culture and smear are the best indictors of a noninfectious state. The remaining outcomes are not considered.
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