Deck 20: Lymphatic System

Question 1

The spleen,thymus gland,tonsils,and lymph nodes are

A)confined to the thoracic cavity.
B)lymphoid organs.
C)primarily concerned with hematopoiesis.
D)concerned only with phagocytosis.

Answer 1

lymphoid organs.

Question 2

Which of the following is (are) described as partially encapsulated lymph nodes located in the throat area?

A)Spleen
B)Tonsils
C)Thymus gland
D)Lacteal

Answer 2

Tonsils

Question 3

Lymphatic capillaries

A)absorb tissue fluid and transport it toward the heart.
B)are close to and parallel the distribution of arterioles.
C)are composed of smooth muscle and determine SVR (systemic vascular resistance).
D)transport protein-free interstitial fluid.

Answer 3

absorb tissue fluid and transport it toward the heart.

Question 4

What is (are) the lymphoid structure(s) that is (are) generally removed during a mastectomy?

A)Spleen
B)Liver
C)Axillary lymph nodes
D)Adenoids

Question 5

What happens if the lymphatic vessels and nodes are removed from the right axillary region?

A)All lymph will drain directly into the superior vena cava.
B)The right arm will become gangrenous from lack of oxygen.
C)The right arm will become edematous.
D)The patient will experience anginal pain.

Question 6

A lacteal is located within the

A)adenoid.
B)tonsil.
C)thymus gland.
D)intestinal villus.

Question 7

What is the name of the lymph nodes that drain the head and neck region?

A)Inguinal
B)Cervical
C)Thoracic
D)Pelvic

Question 8

The subclavian veins

A)receive lymph from the large lymphatic ducts.
B)pump blood into the large lymphatic ducts.
C)form the thoracic duct.
D)are called lacteals.

Question 9

What structures are located near the opening of the nasal cavity in the upper throat and are also called the adenoids?

A)Palatine tonsils
B)Thymus glands
C)Lingual tonsils
D)Pharyngeal tonsils

Question 10

The inguinal lymph nodes

A)line the entrance of the spleen.
B)are the Kupffer cells within the liver.
C)are located in the groin.
D)are part of the hepatic portal circulation.

Question 11

The right lymphatic duct and the thoracic duct empty into the

A)jugular vein.
B)inferior vena cava.
C)portal vein.
D)subclavian veins.

Question 12

Which of the following conditions is most likely to cause a platelet deficiency?

A)Lymphedema
B)A hyperactive spleen
C)Lymphadenopathy
D)Infectious mononucleosis

Question 13

Lymph from the right arm and the right side of the head and thorax drains into the

A)thoracic duct.
B)vena cava.
C)right atrium.
D)right lymphatic duct.

Question 14

The spleen

A)removes worn-out blood cells from circulation.
B)is avascular.
C)is located in the RUQ.
D)secretes splenic hormones that control the entire lymphoid system.

Question 15

If proteins are allowed to accumulate in the interstitial space,they will

A)dehydrate the tissue space.
B)block or clog the capillary pores.
C)"hold water" and cause edema.
D)act as antigens and cause an allergic reaction.

Question 16

What is the term that refers to the removal of the palatine tonsils?

A)Appendectomy
B)Lymph node resection
C)Adenoidectomy
D)Tonsillectomy

Question 17

Which lymphoid organ is located in the ventral cavity,thoracic cavity,and mediastinum?

A)Spleen
B)Liver
C)Thymus gland
D)Adenoids

Question 18

Where does lymph originally come from?

A)Spleen
B)Thoracic duct
C)Interstitium
D)Lymph nodes

Question 19

Thymosin

A)is a hormone.
B)is the fluid within the lymph nodes.
C)is secreted by all lymph nodes.
D)plays no known role.

Question 20

What structure is concerned with the processing and maturation of T lymphocytes?

A)Medulla oblongata
B)Thymus gland
C)Coronary sinus
D)Pericardium

Question 21

An overly active spleen may prematurely remove platelets from the circulation,thereby predisposing a person to

A)arteriolar vasospasm and hypertension.
B)granulocytopenia and infection.
C)thrombocytopenia and bleeding.
D)hyperbilirubinemia and jaundice.

Question 22

Elephantiasis is

A)CO = HR× SV× pulse pressure.
B)caused by the destruction of valves within the lymphatic vessels.
C)edema formation in response to impaired lymphatic drainage.
D)caused by the removal of the spleen.

Question 23

A person has a severe streptococcal pharyngitis (sore throat).He is most likely to develop

A)hypertrophied thymus gland.
B)cervical lymphoma.
C)enlarged inguinal lymph nodes.
D)painful cervical lymph nodes.

Question 24

Which of the following is true about lymph? It is

A)absorbed by lymphatic capillaries from the interstitium.
B)filtered by the lymphatic capillaries into the interstitium.
C)secreted by the subclavian veins into the large lymphatic ducts.
D)synthesized and stored within the lymph nodes.

Question 25

Lymph node dissection is most likely to cause

A)Edema
B)Hypoxemia
C)Ischemia
D)Thrombosis

Question 26

The lymphatic circulation

A)is most closely associated with the venous side of the circulation.
B)accompanies the aorta and its branches.
C)is concerned with the transport of oxygen.
D)plays a vital role in hemostasis.

Question 27

A young woman is diagnosed with breast cancer.She is most apt to have

A)a sentinel node biopsy before the mastectomy is performed.
B)a sentinel node biopsy after breast reconstruction surgery.
C)the sentinel node radiated during the mastectomy surgical procedure.
D)a mastectomy and excision of all axillary lymph nodes; only then is the sentinel node biopsied.

Question 28

Which of the following best describes the lymphatic capillaries?

A)They closely follow the path of the aorta.
B)They have large pores and follow venous pathways.
C)They are found only in lymph nodes.
D)They are found only in the spleen.

Question 29

What is the similarity between the thoracic duct and the right lymphatic duct? Both

A)drain lymph exclusively from the lower extremities.
B)empty their lymph into the left subclavian vein.
C)are large lymphatic ducts that collect lymph from smaller lymphatic vessels.
D)are lymphatic capillaries associated exclusively with the cerebral circulation.

Question 30

Why does lymph contain protein?

A)Protein is synthesized by the lymph nodes.
B)Protein leaks out of the capillaries into the tissue spaces and is absorbed into the lymphatic capillaries.
C)The cells that line the lymphatic vessels synthesize protein.
D)Adenoids transport plasma protein into the lymphatic vessels.

Question 31

With which of the following are lymph nodes populated?

A)Megakaryocytes and platelets
B)Reticulocytes and erythrocytes
C)Lymphocytes and macrophages
D)Granulocytes and Kupffer cells

Question 32

Red pulp and white pulp

A)compose splenic tissue.
B)synthesize clotting factors.
C)secrete red and white blood cells in the adult.
D)are only found in the fetal liver.

Question 33

Lymph is

A)pumped by the left heart into the systemic circulation.
B)formed when fluid is filtered across the subclavian veins into the tissue spaces.
C)formed from tissue fluid.
D)red,like blood.

Question 34

This organ engages in erythropoiesis in the fetus,produces lymphocytes in the adult,and stores platelets.

A)Liver
B)Spleen
C)Adenoids
D)Tonsils

Question 35

Which of the following is least associated with tonsils?

A)Palatine,pharyngeal,and lingual
B)Thrombopoiesis
C)Lymph node-like
D)Lymphoid tissue

Question 36

The thoracic duct

A)filters lymph into the subclavian veins.
B)receives lymph from large lymphatic vessels that drain the left side of the body.
C)functions like a heart that pumps lymph throughout the body.
D)is a collection of lymph nodes.

Question 37

With which of the following is MALT least associated?

A)Immune function
B)Mucosa
C)Erythropoiesis
D)Phagocytosis

Question 38

Which of the following is least characteristic of the pharyngeal tonsils?

A)Lymphoid organs
B)Called adenoids
C)Protect body from infection
D)Most commonly removed by tonsillectomy