chapter 20

Question 1

Blood plasma and lymph are identical except for their respective locations in the body

Answer 1

False

Question 2

What part of the lymphatic system is most closely associated with capillary beds?

Answer 2

lymphatic cappilaries

Question 3

How are lymphatic collecting vessels different from veins?

Answer 3

Lymphatic collecting vessels have endothelial flap valves, but veins do not.

Question 4

All lymph is eventually returned to circulation via the __________.

Answer 4

subclavian veins

Question 5

Which of the following is NOT a function of lymphatic vessels?

Answer 5

delivery of nutrients to tissues

Question 6

plasma cell

Answer 6

produces antibodies

Question 7

macrophage

Answer 7

phagocytic cell

Question 8

dendritic cell

Answer 8

captures antigens and brings them back to lymph nodes

Question 9

reticular cell

Answer 9

fibroblast-like cell that produces the reticular fiber stroma

Question 10

Reticular connective tissue is found in all lymphoid organs and tissues.

Answer 10

True

Question 11

Which of the following lists the correct order of lymph flow through the lymph node?

Answer 11

afferent vessel, subcapsular sinus, medullary sinuses, efferent vessel

Question 12

Which of the following is NOT a role of the spleen?

Answer 12

serve as a site of T cell maturation

Question 13

Choose the true statement about the thymus.

Answer 13

After puberty, the thymus begins to decrease in size.

Question 14

The main role of the tonsils is to __________.

Answer 14

gather and remove pathogens entering through the pharynx

Question 15

Which of the following is NOT a part of the mucosa-associated lymphatic tissue (MALT)?

Answer 15

the spleen

Question 16

Except for the __________ and the spleen, the lymphoid organs are poorly developed at birth.

Answer 16

tonsils

Question 17

Which of the following is not a characteristic of lymph nodes

Answer 17

Lymph nodes produce lymph.