If a person had measles as a child, which of the following best describes their immunity to measles?
Naturally acquired passive immunity
Naturally acquired active immunity
Artificially acquired active immunity
Artificially acquired passive immunity
The Correct Answer is B
A. Naturally acquired passive immunity
Passive immunity occurs when antibodies are transferred (e.g., from mother to baby); it does not involve the person’s immune system actively responding.
B. Naturally acquired active immunity
This occurs when a person is exposed to a pathogen, like the measles virus, and their body mounts an immune response, producing long-lasting immunity.
C. Artificially acquired active immunity
This is obtained through vaccination, not from infection.
D. Artificially acquired passive immunity
This refers to receiving antibodies (e.g., through injection of immune globulin), not through natural infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Cause mycotic infections:
Mycotic (fungal) infections are caused by fungi, not bacteria.
B. Include mold and yeast:
Molds and yeasts are fungi, not bacteria.
C. Are not part of the normal flora of the intestines:
Bacteria are a significant part of the normal intestinal flora (e.g., E. coli, Bacteroides).
D. Include cocci, bacilli, and curved rods:
Bacteria are classified by shape: cocci (spherical), bacilli (rod-shaped), and curved rods (e.g., Vibrio cholerae).
Correct Answer is C
Explanation
A. Is secreted by all lymph nodes:
Thymosin is not produced by lymph nodes; it is secreted by the thymus gland.
B. Is the fluid within the lymph nodes:
Lymph fluid circulates within lymph nodes, not thymosin.
C. Is a hormone:
Thymosin is a hormone secreted by the thymus that plays a role in the development and differentiation of T lymphocytes.
D. Plays no known role:
Thymosin has an important role in immune system development.
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