IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC AND IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements about lymph node structure is NOT correct?
A
they are microscopic nodules
B
reticular fibers act as a net to catch debris
C
macrophages live on the fibers
D
lymphocytes live within the spaces
Explanation: 

Detailed explanation-1: -The answer is c). Lymph does not contain neutrophils, nor are neutrophils produced in the lymph nodes.

Detailed explanation-2: -Answer and Explanation: The correct answer is A. Lymphatic vessels pass through lymph nodes. This allows the lymph to be filtered as it travels through the lymph nodes.

Detailed explanation-3: -The lymph nodes are organized lymphoid organs that contain lymphocytes within a fine reticular stroma. The structures within a lymph node include the capsule, subcapsular sinus, cortex (B cell zone with follicles and germinal centers), paracortex (T cell zone), medullary sinuses, medullary cords and hilus.

Detailed explanation-4: -Answer and Explanation: The structure not associated with lymph nodes is d. Hassall’s corpuscles.

There is 1 question to complete.