Peyer patches are part of which of the following?
GALT
All of the answers are correct
MALT
Lymphatic system
The Correct Answer is B
A. GALT (Gut-associated lymphoid tissue) includes Peyer patches, which are found in the lining of the small intestine and play a key role in immune surveillance of the gut.
B. All of the answers are correct: Since all the listed options correctly relate to Peyer patches, the most comprehensive and correct choice is B.
C. MALT (Mucosa-associated lymphoid tissue) is a broader category that includes GALT as a subset, so Peyer patches are also part of MALT.
D. Peyer patches are part of the lymphatic system, contributing to the body's immune defense mechanisms.
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Related Questions
Correct Answer is C
Explanation
A. Chyle is a type of lymphatic fluid rich in fats absorbed from the intestines, but it is not the primary basis of all lymphatic fluid.
B. Secretions of lymph nodes contribute immune cells and filtering functions but do not form the main component of lymph.
C. Plasma is the correct answer. Lymphatic fluid originates from interstitial fluid, which in turn is derived from plasma that leaks out of capillaries. This fluid enters the lymphatic system and becomes lymph.
D. MALT (Mucosa-associated lymphoid tissue) is involved in immune responses in mucosal membranes but does not form the basis of lymphatic fluid.
Correct Answer is A
Explanation
A. Hodgkin disease (also known as Hodgkin lymphoma) is a type of cancer that originates in the lymph nodes. It is characterized by the presence of Reed-Sternberg cells, a specific type of abnormal cell found in the lymphatic tissue.
B. Benign tumors of the spleen are not associated with Hodgkin disease.
C. A malignant tumor of the spleen refers to cancers like splenic lymphoma or metastasis from other organs, but this is not Hodgkin disease.
D. A benign tumor of the lymph nodes is not the correct description for Hodgkin disease, as it is a malignant (cancerous) condition.
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