3. Lymphatic (Immune) System

1. The specific stroma of the thymus is reticulo-epithelial tissue:

A. Yes
B. No

A) Yes

2. Afferent lymph vessels enter the lymph node through its bilum:

A. Yes
B. No

B) No

3. Heamo-thymic barrier is in the cortex of the organ:

A. Yes
B. No

A) Yes

4. The capillaries of the bone marrow are discontinuous:

A. Yes
B. No

A) Yes

5. The cortex of the lymph nodes is made of lymph follicles:

A. Yes
B. No

A) Yes

6. Malpighian bodies of the spleen are made of lymphatic nodules:

A. Yes
B. No

B) No

7. Malpighian bodies of the spleen and periarteriallymphatic sheaths (PALS) comprise the splenicred pulp:

A. Yes
B. No

B) No

8. The stroma of the tonsil is a reticular connective tissue:

A. Yes
B. No

B) No

9. Proliferation of B lymphocytes takes place in the cortex of the lymph node:

A. Yes
B. No

A) Yes

10. The stroma of the tonsil is a loose connective tissue:

A. Yes
B. No

A) Yes

11. The lymphatic tissue of the tonsil is organized into lymphatic nodules:

A. Yes
B. No

A) Yes

12. The lymphatic tissue of the thymus is organized into lymphatic nodules:

A. Yes
B. No

B) No

13. Yellow bone marrow is found in the diaphysis of long bones in adults:

A. Yes
B. No

A) Yes

14. Red bone marrow is found in the diaphysis of long bones in adults:

A. Yes
B. No

B) No

15. Corpuscles of Hassan are found in the medulla of the thymus:

A. Yes
B. No

A) Yes

16. Paracortical zone is typical for:

A. thymus
B. lymph node
C. spleen
D. bone marrow

B) lymph node

17. The blood vessels which is are part of the corpus Malpigii is are called:

A. a.trabecularis
B. aa. Pulpae albae
C. aa. Lymphonoduli (centrales)
D. aa. Penicillare

C) aa. Lymphonoduli (centrales)

18. The lymphatic system is made out of the following except the:

A. Lymph
B. Lymph nodes
C. Isolated nodules of lymphatic tissue, tonsils, thymus & spleen
D. Liver

D) Liver

19. Central organ of the lymphatic system is.

A. tonsils
B. thymus
C. spleen
D. lymph nodes

B) thymus

20. Lymph is filtered through what?

A. Lymph ducts
B. Lymph vessels
C. Spleen
D. Lymph nodes

D) Lymph nodes

21. Lymph is usually …

A. Clear
B. Transparent
C. Colorless
D. all of the above

D) all of the above

22. The thymus:

A. Is the source of lymphocytes before birth and enables lymphocytes to develop into T cells.
B. Produces new cells and destroys the old (haematopoiesis).
C. Is a blood reservoir.
D. Defends by initiating macrophages to remove microorganisms in blood and phagocytose them.

A) Is the source of lymphocytes before birth and enables lymphocytes to develop into T cells.

23. Which about the spleen is false:

A. It produces new cells and destroys the old (haematopoiesis).
B. It is a blood reservoir.
C. It defends by initiating macrophages to remove microorganisms in blood and phagocytose them.
D. It is the source of lymphocytes before birth and enables lymphocytes to develop into T cells

D) It is the source of lymphocytes before birth and enables lymphocytes to develop into T cells

24. The composition of lymph is most similar to:

A. blood
B. serum
C. plasma
D. interstitial fluid

D) interstitial fluid

25. The formation of lymph increases as a result of

A. increasing osmotic pressure in blood capillaries
B. increasing osmotic pressure in tissue fluid
C. decreasing volume of tissue fluid
D. decreasing protein concentration in tissue fluid

B) increasing osmotic pressure in tissue fluid

26. Tissue fluid is and lymph is _

A. forced out of lymph vessels / absorbed into lymph vessels
B. forced out of blood plasma / absorbed into blood capillaries
C. generally rich in proteins / rich in proteins and foreign particles
D. forced out of blood plasma and generally lacking in proteins / absorbed into lymph capillaries and rich in proteins and foreign particle

D) forced out of blood plasma and generally lacking in proteins / absorbed into lymph capillaries and rich in proteins and foreign particle

27. Which of the following is not a function of the spleen?

A. site of stem cell maturation into T and B cells
B. destruction of blood-home pathogens by macrophages
C. removal of worn-out blood cells and platelets by macrophages
D. storage of platelets

A) site of stem cell maturation into T and B cells

28. Which person most likely has the largest thymus gland?

A. a third trimester fetus
B. a two-year-old
C. a 12-year-old
D. a 25-year-old

B) a two-year-old

29. Typical for the parenchyma of the spleen are:

A. lymphoid cords
B. Hassal's bodies
C. lobes with stroma and parenchime
D. corpuscules of Malpigii

D) corpuscules of Malpigii

30. Fill in: The organs which stroma is reticular connective tissue are:

A.
B.
C.

A) lymph node
B) spleen
C) bone marrow

31. Fill in: Which lymphatic organs have afferent lymphatic vessels?

lymph nodes

32. Fill in: Reticular-endothelial stroma is typical for…..

thymus

33. Fill in: The tonsil is made of

A. ___ & B. ____

A) lymphoid tissue
B) epithelium

34. Fill in: What are the components of the blood thymic barrier?

A.
B.
C.

A) endothelial cells of the capillaries
B) basal lamina of the capillaries
C) epithelioreticular cell sheath

35. Fill in: Which one of the lymphatic organs filters blood?

spleen

36. Fill in: What are the three types of lymphocytes?

A.
B.
C.

A) T cells
B) B cells
C) NK cells

37. Fill in: What are the three types of T cells?

A.
B.
C.

A) T killer cells
B) T helper cells
C) T suppressor cells

38. Fill in: Name four lymphatic organs

A.
B.
C.
D.

A) lymph nodes
B) tonsils
C) thymus
D) spleen

39. Fill in: What are the major functions of the lymphatic system? (3)

A.
B.
C.

A) fluid recovery
B) immunity
C) lipid absorption

40. T or F: Typical for the medulla of the thymus is:

A. Hassal's bodies
B. Antigen-dependent differentiation
C. lymph follicles

A) T
B) T
C) F

41. T or F: Typical for the tonsil is:

A. made of lymphoid tissue and epithelium
B. Hassal's bodies
C. network of lymph vessels
D. stroma of reticular tissue
E. the epithelium makes crypts

A) T
B) T
C) T
D) F
E) F

42. T or F: Typical for the lymph node is:

A. the stroma is loose connective tissue
B. the stroma is reticular connective tissue
C. lobules with cortex and medulla
D. lymph follicles
E. corpus Malpigii

A) T
B) T
C) F
D) F
E) F

43. Match:

A: B lymphocytes
B: Natural Killer (NK)
C: Dendritic cells presence (in mucousmembranes)
D: reticular cells
E: T lymphocytes immunity

1. phagocytosis and provide structure

2. alert immune system of foreign cells

3. innate immune system

4. antibody mediated

5. cell mediated immunity

A) B lymphocytes: 4. antibody mediated
B) Natural Killer (NK): 3. innate immune system
C) Dendritic cells presence (in mucousmembranes): 2. alert immune system of foreign cells
D) reticular cells: 1. phagocytosis and provide structure
E) T lymphocytes immunity: 5. cell mediated immunity

44. Match:

A: made of lymphoid tissue and epithelium
B: Hassal's body
C: corex made of lymph follicles
D: stroma of reticular tissue
E: the epithelium makes crypts
F: stroma of reticulo-epithelial tissue

1. tonsil

2. lymph node

3. thymus

A) made of lymphoid tissue and epithelium: 1. tonsil
B) Hassal's body: 3. thymus
C) corex made of lymph follicles: 2. lymph node
D) stroma of reticular tissue: 2. lymph node
E) the epithelium makes crypts: 1. tonsil
F) stroma of reticulo-epithelial tissue: 3. thymus

45. Match:

A: lymphoid follicles and cords
B: corpus Malpigii
C: lobes with stroma and parenchima
D: Hassal's corpuscules

1. spleen

2. lymph node

3. thymus

A) lymphoid follicles and cords: 2. lymph node
B) corpus Malpigii: 1. spleen
C) lobes with stroma and parenchima: 3. thymus
D) Hassal's corpuscules: 3. thymus