Which of the following is classified as killer, helper, regulator, and memory cells?
Vaccines
Antibodies
Granulocytes
The Correct Answer is C
A. Vaccines are preparations that stimulate the immune system to produce an immune response, but they are not classified as killer, helper, regulator, or memory cells.
B. Antibodies are proteins produced by B cells that help neutralize pathogens, but they are not classified as killer, helper, regulator, or memory cells.
C. Granulocytes are a type of white blood cell that includes neutrophils, eosinophils, and basophils, involved in the immune response. However, the correct classification of cells as "killer, helper, regulator, and memory" specifically refers to T cells (not granulocytes). T cells are the cells responsible for these roles:
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Inguinal nodes are located in the groin area, not in the knee.
B. Popliteal nodes are located behind the knee (in the popliteal fossa) and are responsible for filtering lymph from the lower leg and foot.
C. Tibial nodes are not a specific term used for lymph nodes in the knee area.
D. Mesenteric nodes are located in the abdomen and are associated with the digestive system, not the knee.
Correct Answer is A
Explanation
A. Chyle is a milky fluid formed by the combination of fat globules and lymph. It is absorbed by lacteals (specialized lymphatic vessels) in the small intestine and transports dietary fats to the lymphatic system.
B. Plasma is the liquid component of blood, not a mixture of fat and lymph.
C. Lymph is the clear fluid that circulates in the lymphatic system, but it is not specifically mixed with fats like chyle.
D. Lacteal refers to the lymphatic vessels in the small intestine that absorb fats, but it is not the name of the fluid itself. The fluid is called chyle.
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