Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
What are the key functions of the lymphatic system?.
A. Immunity, absorption of fats and the maintenance of fluid balance.
The lymphatic system has many functions, including immunity, absorption of fats, and the maintenance of fluid balance. Choices B and C rationale: While the lymphatic system does play a role in immunity and maintaining fluid balance, these are not its only functions.
B. Immunity only.
C. Maintenance of fluid balance only.
D. Immunity and electrolyte balance.
The lymphatic system does not directly regulate electrolyte balance. So, the correct answer is Choice A, after analyzing all choices.
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Full Explanation
Choice A rationale:
The lymphatic system has many functions, including immunity, absorption of fats, and the maintenance of fluid balance. Choices B and C rationale: While the lymphatic system does play a role in immunity and maintaining fluid balance, these are not its only functions.
Choice D rationale:
The lymphatic system does not directly regulate electrolyte balance.
So, the correct answer is Choice A, after analyzing all choices.
Similar Questions
The
Full Explanation
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.
Which of the following is a function of the nasopharynx?.
A. Warm and moisten inspired air.
While the nasopharynx does play a role in warming and moistening inspired air, this is not its primary function.
B. Filter dust.
The nasopharynx does not primarily filter dust. This function is mainly performed by the nasal cavity and the hairs within the nostrils.
C. Provide openings for the right and left Eustachian tubes.
The nasopharynx provides openings for the right and left Eustachian tubes. These tubes connect the middle ear to the nasopharynx and help equalize air pressure on either side of the eardrum.
D. Contain olfactory receptors responsible for the sense of smell.
The nasopharynx does not contain olfactory receptors responsible for the sense of smell. These receptors are located in the nasal cavity.
Full Explanation
Choice A rationale:
While the nasopharynx does play a role in warming and moistening inspired air, this is not its primary function.
Choice B rationale:
The nasopharynx does not primarily filter dust. This function is mainly performed by the nasal cavity and the hairs within the nostrils.
Choice C rationale:
The nasopharynx provides openings for the right and left Eustachian tubes. These tubes connect the middle ear to the nasopharynx and help equalize air pressure on either side of the eardrum.
Choice D rationale:
The nasopharynx does not contain olfactory receptors responsible for the sense of smell. These receptors are located in the nasal cavity.
Lymphatic tissue at the back of the throat is called:.
A. Peyer's patches.
hoice A rationale: Peyer’s patches are lymphoid nodules located in the small intestine, not at the back of the throat.
B. Lymph.
Lymph is a fluid that contains white blood cells and circulates throughout the lymphatic system, not a tissue located at the back of the throat.
C. Tonsils.
Tonsils are lymphoid tissues located at the back of the throat. They help protect the body from respiratory infections.
D. Appendix.
The appendix is not located at the back of the throat. It is a narrow pouch that projects off the cecum in the digestive system.
Full Explanation
hoice A rationale:
Peyer’s patches are lymphoid nodules located in the small intestine, not at the back of the throat.
Choice B rationale:
Lymph is a fluid that contains white blood cells and circulates throughout the lymphatic system, not a tissue located at the back of the throat.
Choice C rationale:
Tonsils are lymphoid tissues located at the back of the throat. They help protect the body from respiratory infections.
Choice D rationale:
The appendix is not located at the back of the throat. It is a narrow pouch that projects off the cecum in the digestive system.