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The

serves as a reservoir for beneficial gut bacteria.
Answer and Explanation

The Correct Answer is {"dropdown-group-1":"B"}

Choice A rationale:

Peyer’s patches are lymphoid nodules located in the small intestine and play a role in immune surveillance of the intestinal lumen and in the facilitation of the immune response.

Choice B rationale:

The appendix serves as a reservoir for beneficial gut bacteria. It is a narrow pouch that projects off the cecum in the digestive system.

Choice C rationale:

Adenoids are not known to serve as a reservoir for beneficial gut bacteria. They are located in the upper part of the throat and are part of the immune system, helping to fight off infections and trap bacteria that enter through the nose.

Choice D rationale:

Tonsils are not known to serve as a reservoir for beneficial gut bacteria. They are lymphoid tissues located at the back of the throat and help protect the body from respiratory infections. 


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Related Questions

Correct Answer is A

Explanation

The correct answer is Choice A.

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.

Correct Answer is C

Explanation

The correct answer is Choice C. -

Choice A rationale:

The larynx is part of the airway but does not prevent aspiration. -

Choice B rationale:

The trachea is the airway leading to the lungs but does not prevent aspiration. -

Choice C rationale:

The epiglottis is a flap of tissue that covers the airway during swallowing, preventing food from entering the lungs. -

Choice D rationale:

The pharynx is part of the throat but does not prevent aspiration.

So, the correct answer is C, after analyzing all choices.

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