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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The right lymphatic duct drains lymph from the right side of the head, neck, right arm, and right side of the chest, including the right breast (right mammary vessels).
A. Right Tibial vessels drain lymph from the lower legs, which eventually drains into the thoracic duct, not the right lymphatic duct.
B. Right iliac vessels drain lymph from the pelvic region and also empty into the thoracic duct, not the right lymphatic duct.
D. Right femoral vessels drain lymph from the lower limbs, and their lymph also eventually drains into the thoracic duct.
Correct Answer is A
Explanation
A. Attenuation is the process of weakening or reducing the virulence (ability to cause disease) of a pathogen, making it less harmful. This weakened form can then be used in the preparation of vaccines, allowing the immune system to respond without causing disease.
B. Antitoxin refers to antibodies or other substances that neutralize toxins, not the process of reducing a pathogen's virulence.
C. Complement refers to a group of proteins that play a role in the immune response, enhancing the ability to clear pathogens, but it is not related to the process of preparing vaccines.
D. Vaccine is a preparation used to stimulate the immune system, but the process of preparing the vaccine (such as attenuation) is different from the vaccine itself.
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