Histology HS Quiz
Preview:
The thymus-independent zone (B-zone) of the spleen is:
A. Periarterial zone
B. Paracortical zone
C. Mantle zone
D. Germinal center
E. Marginal zone
The hematothymic barrier is located in:
A. Cortex
B. Medulla
C. Both cortex and medulla
D. Organ capsule
E. There is no such barrier in the thymus
Hassall’s corpuscles are:
A. Layered epithelial cells
B. Reticular cells
C. Interdigitating macrophages
D. Dendritic cells
E. T-lymphocytes
The cells forming the medullary cords of the lymph node are:
A. Granulocytes, macrophages, tissue basophils
B. B-lymphocytes, macrophages, plasma cells
C. T-lymphocytes, macrophages
D. Erythrocytes, platelets
E. Erythroblasts, myeloblasts, monoblasts
T- and B-lymphocytes enter the tissue of the lymph node from:
A. Arterioles
B. Hemocapillaries
C. Postcapillary venules
D. Afferent lymphatic vessels
E. Lymphatic capillaries
Cells of the thymus secreting thymosin, thymalin, thymopoietin are:
A. Lymphoblasts
B. Supporting epithelial cells
C. Secretory epithelial cells
D. Dendritic cells
E. Macrophages
Effector cells in cellular immunity are:
A. B-lymphocytes
B. T-lymphocytes
C. Cytotoxic T-suppressors
D. T-helpers
E. Plasma cells
The hematopoietic organ whose lymphatic follicles contain a central artery is:
A. Thymus
B. Spleen
C. Tonsil
D. Lymph nodes
E. Appendix
Interdigitating cells in the lymph node are located in:
A. Paracortical zone
B. Sinuses
C. Hilum area
D. Medullary cords
E. Lymphatic follicles
Morphological signs of age-related involution of the thymus are:
A. Proliferation of epithelial tissue
B. Decrease in lymphocytes and development of adipose, connective tissue
C. Increase in the number of lymphocytes
D. Accumulation of tissue basophils
E. Proliferation of muscle tissue
The red pulp of the spleen is formed by:
A. Lymphatic follicles
B. Medullary cords and sinuses
C. Paracortical zone
D. Capsule and trabeculae
E. Reticular tissue with erythrocytes and other blood cells
The white pulp of the spleen is formed by:
A. Lymphatic follicles
B. Reticulocytes and erythrocytes
C. Capsule with trabeculae
D. Paracortical zone
E. Medullary cords and sinuses
The thymus-dependent zone (T-zone) of the spleen is:
A. Periarterial zone
B. Germinal center
C. Mantle zone
D. Marginal zone
E. Medulla
The stroma of the spleen is formed by:
A. Adipose tissue
B. Epithelial tissue
C. Muscle tissue
D. Reticular connective tissue
E. Lymphoid tissue
Processes occurring with lymph as it passes through the lymph node are:
A. Decrease in the number of lymphocytes
B. Cleansing and enriching the lymph with lymphocytes
C. Appearance of granulocytes
D. Appearance of platelets
E. Appearance of leukocytes
