A 50-year-old patient tells the nurse that he had a smallpox vaccination as a child and is planning to visit a foreign country that has an active smallpox epidemic. His physician suggests that he be revaccinated against the disease
Which of the following does this information suggest to the nurse? 1. The patient did not have a smallpox vaccination as a child.
2. The patient's innate immunity is not sufficient against the smallpox disease.
3. Another vaccination would add to the patient's activite immunity against the disease.
4. Another vaccination will provide a short-lived passive immunity to smallpox.
3
Rationale: The smallpox vaccine provides active acquired immunity without actually experiencing the disease. Even though the patient had a smallpox vaccination as a child, the physician might want to support the patient's active immunity by providing another vaccination. There is no evidence to suggest that the patient did not have a smallpox vaccination as a child. There is no innate immunity against smallpox. The smallpox vaccination provides active acquired immunity and not passive immunity.
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