3. Lymphatic (Immune) System

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The specific stroma of the thymus is reticulo-epithelial tissue

Yes or No?

YES

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Afferent lymph vessels enter the lymph node through its hilum

Yes or No?

NO

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Blood-thymic barrier is in the cortex of the organ

Yes or No?

YES

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The capillaries of the bone marrow are sinusoids (discontinuous)

Yes or No?

YES

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

Yes or No?

YES

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Malpighian bodies of the spleen are made of lymphatic nodules

Yes or No?

NO

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Malpighian bodies of the spleen and periarterial lymphatic sheaths (PALS) comprise the splenic red pulp.

Yes or No?

NO

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The stroma of the tonsil is a reticular connective tissue

Yes or No?

NO

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Proliferation of B lymphocytes takes place in the cortex of the lymph node

Yes or No?

YES

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The stroma of the tonsil is a loose connective tissue

Yes or No?

YES

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The lymphatic tissue of the tonsil is organized into lymphatic nodules

Yes or No?

YES

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

Yes or No?

NO

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

Yes or No?

YES

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

Yes or No?

NO

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Corpuscles of Hassall are found in the medulla of the thymus

Yes or No?

YES

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Paracortical zone is typical for:

A. thymus

B. lymph node

C. spleen

D. bone marrow

B. lymph node

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The blood vessel which is a part of the corpus Malpighii is called:

A. a.trabecularis

B. aa. pulpae albae

C. aa. lymphonoduli (centrales)

D. aa. penicillares

C. aa. lymphonoduli (centrales)

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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

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Central organ of the lymphatic system is:

A. tonsils

B. thymus

C. spleen

D. lymph nodes

B. thymus

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Lymph is filtered through what?

A. lymph ducts

B. lymph vessels

C. spleen

D. lymph nodes

D. lymph nodes

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Lymph is usually_________fliud.

A. clear

B. transparent

C. colourless

D. all of the above

D. all of the above

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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.

CHOOSE ONE CORRECT ANSWER

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.

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The composition of lymph is most similar to:

A. blood

B. serum

C. plasma

D. interstitial fluid

D. interstitial fluid

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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

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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 particles

D. forced out of blood plasma and generally lacking in proteins; absorbed into lymph capillaries and rich in proteins and foreign particles

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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-borne 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

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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

CHOOSE ONE CORRECT ANSWER

Typical for the parenchyma of the spleen is:

A. lymphoid cords

B. Hassall's bodies

C. lobes with stroma and parenchim

D. corpuscules of Malpighii

D. corpuscules of Malpighii

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The organs which stroma is reticular connective tissue are:

A.

B.

C.

A. Lymph node

B. Spleen

C. Bone marrow

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Which lymphatic organs have afferent lymphatic vessels? - ______________

Lymph nodes

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Reticular-endothelial stroma is typical for_______________.

Thymus

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The tonsil is made of?

A_____________ and B______________

A. Lymphoid tissue

B. Epithelium

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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

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Which one of the lymphatic organs filters blood? _______________

Spleen

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What are the three types of lymphocytes?

A.

B.

C.

A. T lymphocytes

B. B lymphocytes

C. Natural Killer Cells

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What are the three types of T cells?

A.

B.

C.

A. T-killer cells

B. T-helper cells

C. T-suppressor/ regulatory cells

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Name four lymphatic organs:

A.

B.

C.

D.

A. Lymph nodes

B. Tonsils

C. Thymus

D. Spleen

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What are the major functions of the lymphatic system?

A.

B.

C.

A. Fluid recovery

B. Immunity

C. Lipid absorption

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F)

Typical for the medulla of the thymus is:

A. Hassall's bodies

B. antigen-dependent differentiation

C. lymph follicles

A. T

B. T

C. F

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (F)

Typical for the tonsil is:

A. made of lymphoid tissue and epithelium

B. Hassall's bodies

C. network of lymph vessels

D. stroma of reticular tissue

E. the epithelium makes crypts

A. T

B. F

C. T

D. F

E. T

INDICATE THE FOLLOWING STATEMENTS WITH TRUE (T) OR FALSE (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 Malpighii

A. F

B. T

C. F

D. T

E. F

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE

1. phagocytosis and provide structure

2. alert immune system of foreign

3. innate immune system

4. antibody mediated immunity

5. cell mediated immunity

A. B lymphocytes

B. Natural killer (NK ) cells

C. Dendritic cells presence (in mucous membranes)

D. Reticular cells

E. T Lymphocytes

1. D

2. C

3. B

4. A

5. E

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE

1. Tonsil

2. Lymph node

3. Thymus

A. made of lymphoid tissue and epithelium

B. Hassall's body

C. cortex made of lymph follicles

D. stroma of reticular tissue

E. the epithelium makes crypts

F. stroma of reticulo-epithelial tissue

1. A, E

2. C, D

3. B, F

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE

1. Spleen

2. Lymph node

3. Thymus

A. lymphoid follicles and cords

B. corpus Malpighii

C. lobes with stroma and parenchima

D. Hassall's corpuscules

1. B

2. A

3. C, D