Antibodies passed on to the fetus through the placenta represent?.
Naturally acquired active immunity.
Artificially acquired passive immunity.
Innate immunity.
Natural passive immunity.
The Correct Answer is D
Naturally acquired active immunity occurs when the body produces antibodies in response to an infection or vaccine. This is not the case for antibodies passed through the placenta.
Choice B rationale:
Artificially acquired passive immunity involves the injection of antibodies, not the transfer through the placenta.
Choice C rationale:
Innate immunity refers to nonspecific defense mechanisms that come into play immediately or within hours of an antigen’s appearance in the body. This does not describe the process of antibody transfer through the placenta.
Choice D rationale:
Natural passive immunity occurs when antibodies are passed from the mother to the fetus through the placenta. This matches the description in the question.
So, the correct answer is Choice D, after analyzing all choices.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Choice A rationale:
Viruses are pathogens that the immune system defends against, not components of nonspecific immunity.
Choice B rationale:
Lysozyme is an enzyme found in mucus, tears, and saliva that destroys bacteria, contributing to nonspecific immunity.
Choice C rationale:
Lysol is a brand of cleaning products and is not found in mucus, tears, or saliva.
Choice D rationale:
Immunoglobulins are antibodies produced by the immune system, not components of mucus, tears, or saliva.
Correct Answer is D
Explanation
Choice A rationale:
While the spleen is the body’s largest lymphatic organ, this statement does not encompass all of its functions.
Choice B rationale:
The spleen does contribute to the production of white blood cells, but this is not its only function.
Choice C rationale:
The spleen does play a role in immunity, but it has other functions as well.
Choice D rationale:
This choice accurately describes the multiple functions of the spleen, including immunity, destruction of old red blood cells, blood storage, and hematopoiesis.
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