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 D
Explanation
Choice A rationale:
The glottis is the space between the vocal cords and does not direct food and liquids into the esophagus during swallowing.
Choice B rationale:
The Adam’s apple, also known as the thyroid cartilage, is a structure in the neck and does not direct food and liquids into the esophagus during swallowing.
Choice C rationale:
The conchae are structures in the nasal cavity and do not direct food and liquids into the esophagus during swallowing.
Choice D rationale:
The epiglottis is responsible for directing food and liquids into the esophagus during swallowing. It acts as a lid over the windpipe, preventing food from entering the lungs.
Correct Answer is A
Explanation
Choice A rationale:
The pleural fluid functions by lubricating the space between the pleura, allowing the pleura to glide smoothly during inhalation and exhalation. This cushions delicate lung tissues against friction from the ribs and the chest wall itself.
Choice B rationale:
The fluid in the pleural cavity does not warm and moisten lung tissue. This is not one of its primary functions.
Choice C rationale:
The fluid in the pleural cavity does not prevent bacteria from entering lung tissue. This is not one of its primary functions.
Choice D rationale:
The fluid in the pleural cavity does not assist in the diffusion of oxygen across the respiratory membrane. This is not one of its primary functions.
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