Which of the following is a function of the lymphatic system?
Oxygen delivery to tissues
Thermoregulation
Transport of absorbed amino acids from the intestine to the liver
Absorption of digested fats
The Correct Answer is D
A. Oxygen delivery to tissues is the primary function of the circulatory system, not the lymphatic system.
B. Thermoregulation is primarily carried out by the circulatory system and other mechanisms like sweating, not the lymphatic system.
C. The transport of absorbed amino acids from the intestine to the liver is a function of the circulatory system, specifically through the hepatic portal vein, not the lymphatic system.
D. The lymphatic system is involved in the absorption of digested fats through specialized lymphatic capillaries called lacteals in the small intestine. These lacteals absorb fats and transport them into the lymphatic circulation.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D"]
Explanation
A. Transfer through the placenta or breast milk is a form of naturally acquired passive immunity, where antibodies are passed from mother to child without the child's immune system having to produce them.
B. Inflammation is part of the innate immune response and not related to passive immunity.
C. Vaccination with an antigen involves stimulating the body to produce its own immune response, which is active immunity, not passive.
D. Administration of antiserum provides artificially acquired passive immunity, where pre-formed antibodies are given to an individual for immediate protection.
E. Tears and saliva are part of the innate immune system (first line of defense) and are not considered forms of passive immunity.
Correct Answer is C
Explanation
A. Lung contains alveolar macrophages (dust cells), not Kupffer cells.
B. Spleen contains various types of immune cells, but Kupffer cells are not found here.
C. Kupffer cells are specialized macrophages located in the liver. They play a role in filtering blood and removing pathogens, debris, and worn-out blood cells.
D. Tonsils contain lymphocytes and other immune cells, but Kupffer cells are not found in the tonsils.
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