Deck 35: The Lymphatic System and Immune Response

Question 1

Lymph vessels resemble these vessels of the systemic circulation.

A)veins
B)capillaries
C)arteries
D)arterioles

Answer 1

A

Question 2

The property of immunological memory is .

A)the inability to recognize one's own tissue as 'self,' resulting in an attack on one's own cells
B)the ability to distinguish between closely related antigens
C)the ability to recognize one's own tissue cells as 'self'
D)the ability to recognize and mount an attack on an antigen that was previously encountered

Answer 2

D

Question 3

The pulp is responsible for the immune functions of the spleen.

A)red
B)white
C)cryptic
D)splenic

Answer 3

B

Question 4

What is not true about antibodies?

A)They bind to a single, specific antigen.
B)They are produced by plasma cells.
C)They are cells.
D)They are found in plasma and other body secretions.

Question 5

In the Ouchterlony test, where will a precipitate form when bovine serum albumin is mixed with the antibodies for horse albumin, bovine albumin, and swine albumin?

A)between the wells for bovine albumin and antibodies for horse albumin
B)between the wells for bovine albumin and antibodies for swine albumin
C)between the wells for bovine albumin and antibodies for bovine albumin
D)between the wells for bovine albumin and antibodies for horse albumin, and between the wells for bovine albumin and antibodies for swine albumin

Question 6

Germinal centers in the cortex of lymph nodes contain primarily .

A)macrophages
B)support cells
C)B cells
D)T cells

Question 7

The lymphatic system consists of lymphatic vessels, lymphatic tissue, lymph nodes, .

A)thyroid, and thymus
B)pancreas, and spleen
C)oropharynx, and tonsils
D)spleen, and thymus

Question 8

The function of B cells in the immune response is .

A)to attack virus- infected cells
B)to attack bacteria
C)to produce plasma cells that make antibodies
D)to attack tumor cells

Question 9

This medullary region of the lymph node contains primarily .

A)B cells
B)T cells
C)support cells
D)macrophages

Question 10

The functions of the lymph system include all of the following except .

A)filtering the lymph fluid
B)protecting the body from foreign substances
C)removing worn out erythrocytes from the system
D)returning tissue fluid to the systemic circulatory system

Question 11

What causes the flow of lymph to slow within lymph nodes?

A)Afferent vessels are much larger in diameter than efferent vessels.
B)Afferent vessels contract, restricting lymph flow.
C)Valves at the exit site regulate lymph flow, allowing only small amounts out at a time.
D)There are more afferent vessels than efferent vessels.

Question 12

The right lymphatic duct drains .

A)the right side of the body
B)the head, thorax, and right upper extremity
C)the right side of the head and thorax, and the right upper extremity
D)the right side of the head and thorax, the entire abdomen, the right upper extremity, and both lower extremities

Question 13

In the tonsils, these structures trap bacteria and other foreign material.

A)crypts
B)follicles
C)germinal centers
D)villi

Question 14

Select the mechanism below that is not involved in the flow of lymph through the lymphatic vessels.

A)pressure changes in the thorax that occur during breathing
B)pumping action of the heart
C)milking action of skeletal muscles

Question 15

Antigens that can provoke an immune response include .

A)polysaccharides
B)foreign proteins
C)foreign proteins, polysaccharides, and small molecules, called haptens that link to our own body proteins
D)small molecules, called haptens that link to our own body proteins

Question 16

Lymph in the cisterna chyli differs in composition from lymph in the general lymphatic stream in that it contains more _ _.

A)protein
B)nucleic acids
C)fat
D)ions

Question 17

Antibodies .

A)bind to an antigen and destroy it by phagocytosis
B)provide for cellular immunity in the body
C)each recognize several different antigens
D)are proteins composed of heavy chains and light chains

Question 18

B cells provide this kind of immunity.

A)antigenic
B)cellular
C)humoral
D)clonal

Question 19

If an unknown antigen contains only swine serum albumin, how many precipitates will form between it and the wells of antibodies for horse, bovine, and swine albumin?

A)none
B)3
C)2
D)1

Question 20

Although all of the organs below can raise an immune response, only this one filters the lymph.

A)lymph nodes
B)tonsils
C)spleen

Question 21

These cells recognize antigens and initiate the immune response.

A)neutrophils
B)lymphocytes
C)neutrophils, monocytes, and lymphocytes
D)monocytes

Question 22

If you were to draw an antibody, how might you sketch out its basic shape?

A)with a straight line (of twisted protein chains)
B)as a "Y"
C)as an "X"
D)as a "U"