What type of diarrhea is described as greasy and foul-smelling, and often occurs in people with malabsorption disorders?
Melena
Small-volume diarrhea
Steatorrhea
Osmotic diarrhea
The Correct Answer is C
Choice A reason: Melena is dark, tarry stool due to upper gastrointestinal bleeding, not greasy or foul-smelling from malabsorption. It results from digested blood, not fat malabsorption, making this choice incorrect for the described diarrhea.
Choice B reason: Small-volume diarrhea is typically due to inflammation, like in inflammatory bowel disease, not malabsorption. It lacks the greasy, foul-smelling quality of fat malabsorption, making this choice incorrect for malabsorption-related diarrhea.
Choice C reason: Steatorrhea is greasy, foul-smelling diarrhea caused by fat malabsorption, common in disorders like celiac disease or pancreatic insufficiency. Undigested fats in stool cause its characteristic appearance and odor, making this the correct choice.
Choice D reason: Osmotic diarrhea results from unabsorbed solutes, like lactose intolerance, causing watery stools, not specifically greasy or foul-smelling. It lacks the fat content of steatorrhea, making this choice incorrect for malabsorption diarrhea.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Passive natural immunity occurs via natural antibody transfer, like breast milk. Infusion of antibodies is an artificial process, not natural, providing temporary protection, making this choice incorrect for the described immunity type.
Choice B reason: Active artificial immunity involves vaccination, stimulating the body to produce its own antibodies. Antibody infusion provides pre-formed antibodies, not active production, making this choice incorrect for the described immunity mechanism.
Choice C reason: Active natural immunity results from natural infection, leading to the body’s antibody production. Infusion of antibodies is artificial and passive, not requiring immune activation, making this choice incorrect for the scenario.
Choice D reason: Passive artificial immunity occurs when pre-formed antibodies are infused, providing immediate but temporary protection without immune system activation. This matches the described antibody infusion, making this the correct choice.
Correct Answer is D
Explanation
Choice A reason: Cell-mediated immunity, part of adaptive immunity, targets specific pathogens after exposure, not species-specific barriers. It is not the primary defense against cross-species transmission, making this choice incorrect for species-specific immunity.
Choice B reason: Natural immunity is a vague term, often meaning innate or acquired immunity. It is not specifically species-specific, as innate immunity provides the primary barrier to zoonotic diseases, making this choice incorrect.
Choice C reason: Acquired immunity develops after exposure or vaccination, targeting specific pathogens. It is not species-specific and does not primarily prevent animal-to-human disease spread, making this choice incorrect.
Choice D reason: Innate immunity, including species-specific barriers like skin and mucosal defenses, prevents pathogen transmission across species. These non-specific mechanisms reduce zoonotic disease risk, making this the correct choice for species-specific immunity.
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