Deck 24: The Lymphatic System

Question 1

Which lymphoid organ atrophies with age?

A)Thymus
B)Lymph node
C)Tonsil
D)Spleen

Answer 1

A

Question 2

Which is not a location where lymph nodes are commonly found?

A)Axillary region
B)Inguinal region
C)Popliteal region
D)Cervical region

Answer 2

C

Question 3

Identify the structure on the photomicrograph labeled "a."

A)Medullary cord
B)Capsule
C)Red pulp
D)Medullary sinus

Answer 3

B

Question 4

Which statement describes how a lymph node is structurally different from a tonsil?

A)Lymph node has both red and white pulp.
B)Tonsil lacks the afferent vessels.
C)Tonsil lacks a capsule.
D)Lymph node lacks a capsule.

Question 5

What hormone is tested for in a pregnancy test?

A)Luteinizing hormone
B)Progesterone
C)Estrogen
D)Human chorionic gonadotropin

Question 6

Why does a positive pregnancy test have two pink stripes?

A)One stripe tests for the hormone, and the other stripe indicates how much hormone is present.
B)The second pink stripe indicates whether white blood cells are attacking the pregnancy antibodies.
C)One stripe binds to the hormone, and the other stripe is a control zone.
D)Each stripe binds to the same hormone to indicate a positive pregnancy.

Question 7

Which lymphatic structure is located on the cecum?

A)Spleen
B)Adenoid
C)Lacteal
D)Appendix

Question 8

Which is a function of the spleen?

A)Makes new red blood cells
B)Generates white blood cells
C)Filters blood
D)Filters lymph

Question 9

Identify the structure on the photomicrograph labeled "d."

A)Germinal center
B)Efferent vessel
C)Follicle
D)Afferent vessel

Question 10

Which lymphoid organ filters lymph?

A)Thymus
B)Lymph node
C)Spleen
D)Lymphatic vessel

Question 11

Which lymphatic vessel is the largest?

A)Lymph duct
B)Lymph trunk
C)Lymphatic capillary
D)Lymph-collecting vessel

Question 12

Red pulp and white pulp are characteristic of which lymphoid organ?

A)Lymph node
B)Tonsil
C)Thymus
D)Spleen

Question 13

Which tonsil is located in the nasopharynx and is unpaired?

A)Lingual
B)Uvula
C)Palatine
D)Pharyngeal

Question 14

What is MALT?

A)Lymphatic tissue specialized in filtering out yeast microbes
B)Process that describes the gradual atrophy of the thymus
C)Areas or nodules or lymphatic tissue associated with mucous membranes
D)An area of fermentation resulting from infection

Question 15

Which statement describes the thymus?

A)It removes pathogens from the body.
B)It filters blood.
C)It filters lymph.
D)It atrophies with age.

Question 16

What is lymph?

A)Saline solution in the lymph nodes
B)Mucus secreted by lymph nodes
C)An inflamed lymph node
D)Interstitial fluid that has been drawn into a lymphatic vessel

Question 17

Identify the structure labeled "e."

A)Thymus
B)Lymph nodes
C)Tonsils
D)Spleen

Question 18

Identify the structure on the photomicrograph labeled "c."

A)Germinal center
B)Red pulp
C)White pulp
D)Trabeculae

Question 19

Which lymphoid organ contains more afferent vessels than efferent vessels?

A)Lymph node
B)Thymus
C)Tonsil
D)Spleen

Question 20

Identify the structure labeled "a."

A)Lymph nodes
B)Tonsils
C)Lymphatic vessels
D)Spleen

Question 21

In an ELISA, which statement is true of the substrate?

A)It is the molecule that the secondary antibody binds to.
B)It is the last molecule added.
C)It is the molecule that the primary antibody binds to.
D)It is the molecule that enzyme attaches to.

Question 22

Which hormone is detected in a positive pregnancy test?

A)ACTH
B)hCG
C)ADH
D)TSH

Question 23

Identify the structure on the photomicrograph labeled "a."

A)Red pulp
B)Follicle
C)White pulp
D)Trabeculae

Question 24

Which lymphatic vessel is blind-ended and draws in excess interstitial fluid around capillary beds?

A)Lymph trunk
B)Lymph duct
C)Lymphatic capillary
D)Lymph-collecting vessel

Question 25

What histological feature is shared by both the spleen and a lymph node but is lacking in a lymph nodule?

A)Capsule
B)Germinal center
C)Crypt
D)Red pulp

Question 26

What type of cell is common in both white pulp and germinal centers of lymph nodes?

A)Lymphocytes
B)Phagocytes
C)Erythrocytes
D)Adipocytes

Question 27

The thoracic duct and the right lymphatic duct empty into venous circulation at the ________.

A)beginning of the cisterna chyli
B)at the junction of the lymph collecting vessels
C)at the junction of the subclavian and brachiocephalic veins
D)at the junction of the subclavian and internal jugular veins

Question 28

Which vessel is not one of the four paired lymph trunks?

A)Lumbar
B)Thoracic
C)Subclavian
D)Jugular

Question 29

Histologically, what feature is shared by all tonsils but is absent in other MALT nodules?

A)Crypts
B)Efferent vessels
C)Germinal centers
D)Capsules

Question 30

From the selections presented, what feature is shared by the left upper limb, left lower limb, right lower limb, and left side of the head and neck?

A)Lymphatic fluid is drained by the thoracic duct.
B)Lymphatic fluid is drained by the right lymphatic duct.
C)Lymphatic fluid is drained by the vena cavae.
D)Lymphatic fluid is drained is drained by lymph ducts.

Question 31

Where does the thoracic duct begin?

A)At the lumbar trunks
B)At the subclavian vein
C)At the cisterna chyli
D)At the cervical lymph nodes

Question 32

Within the spleen where will an old, worn-out red blood cell be phagocytized?

A)Splenic sinusoids
B)Splenic cords
C)White pulp
D)Capsule