Which is true of the inguinal lymph nodes?
They are part of the hepatic portal system
They line the entrance of the spleen
They are located in the groin
They are the Kupffer cells within the liver
The Correct Answer is C
A. The inguinal lymph nodes are not part of the hepatic portal system. The hepatic portal system refers to the venous system that directs blood from the digestive organs to the liver, while the inguinal lymph nodes are involved in immune function.
B. The inguinal lymph nodes do not line the entrance of the spleen. The spleen is located in the upper left abdomen and has its own set of immune cells but does not directly connect to the inguinal lymph nodes.
C. The inguinal lymph nodes are located in the groin area. They are part of the body's lymphatic system and help filter lymph fluid from the lower extremities and genital region.
D. Kupffer cells are specialized macrophages found in the liver, not in the inguinal lymph nodes. These cells are involved in the filtration of blood and the removal of pathogens and debris.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Killer T cells (also known as cytotoxic T cells) recognize and bind to antigens presented by infected cells. They initiate a rapid immune response to destroy the infected or cancerous cells directly.
B. Regulatory T cells help modulate the immune response by preventing overreaction or autoimmunity, but they do not directly initiate a rapid response to antigens.
C. Memory T cells remember previously encountered antigens and respond quickly upon re-exposure to the same pathogen, but they do not initiate the initial response—they are involved in secondary immune responses.
D. Thrombocytes (also known as platelets) are involved in blood clotting, not in the immune response to antigens.
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.
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