Filters
Question type

Study Flashcards

In an autoimmune disease,the immune response is directed toward


A) foreign cells.
B) cells of the body ("self") .
C) all antigens.
D) all antibodies.
E) only cells of the lymphatic system.

F) C) and D)
G) None of the above

Correct Answer

verifed

verified

As a result of the allergen-antibody reaction,mast cells release histamine.

A) True
B) False

Correct Answer

verifed

verified

An injection of a substance that can stimulate a primary immune response,but is unable to produce the symptoms of a disease,is a(an)________.

Correct Answer

verifed

verified

The region of a lymph node through which blood vessels pass is called the


A) sinus.
B) capsule.
C) nodule.
D) hilum.
E) foramen.

F) C) and D)
G) B) and C)

Correct Answer

verifed

verified

The type of resistance that is a response to contracting an infectious disease is


A) naturally acquired active immunity.
B) artificially acquired active immunity.
C) artificially acquired passive immunity.
D) naturally acquired passive immunity.
E) vaccine acquired active immunity.

F) A) and E)
G) B) and E)

Correct Answer

verifed

verified

Following a primary immune response,the B cells and T cells that remain dormant but are able to respond to antigens encountered in the future are called _________.

Correct Answer

verifed

verified

The movement of lymph through lymphatic vessels is caused largely by


A) muscular activity.
B) activity of the heart.
C) osmotic pressure.
D) blood pressure.
E) hydrostatic pressure.

F) A) and D)
G) D) and E)

Correct Answer

verifed

verified

HIV mainly infects


A) cytotoxic T cells.
B) monocytes.
C) B cells.
D) macrophages and helper T-cells.
E) neutrophils.

F) A) and B)
G) C) and E)

Correct Answer

verifed

verified

AIDS is caused by a virus that attacks complement enzymes.

A) True
B) False

Correct Answer

verifed

verified

Helper T cells release substances called ________.

Correct Answer

verifed

verified

Interferon is a group of proteins that cells produce in response to


A) chemical irritants.
B) viruses or tumor cells.
C) bacterial cells.
D) malarial parasites.
E) fungi.

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

Cells in a lymph node that engulf and destroy damaged cells,foreign substances,and cellular debris are


A) macrophages.
B) lymphocytes.
C) mast cells.
D) cytokines.
E) all of the above.

F) C) and E)
G) C) and D)

Correct Answer

verifed

verified

Disease-causing agents such as viruses and bacteria are called ________.

Correct Answer

verifed

verified

When a woman had her cancerous right breast removed,the surgeon also removed lymph nodes in the axillary region.As a result,her right arm


A) lost its blood supply.
B) now receives too much blood and swells.
C) became edematous.
D) lost tissue fluid.
E) became paralyzed.

F) A) and E)
G) B) and E)

Correct Answer

verifed

verified

T lymphocytes are responsible for


A) programming macrophages.
B) producing antibodies.
C) the cellular immune response.
D) the humoral immune response.
E) antigen presentation.

F) B) and D)
G) B) and C)

Correct Answer

verifed

verified

During the primary immune response,B cells give rise to plasma cells.

A) True
B) False

Correct Answer

verifed

verified

A newborn infant may have some defense against digestive and respiratory disturbances because of IgA antibodies obtained from its mother's


A) milk.
B) blood.
C) intestine.
D) placenta.
E) sweat.

F) None of the above
G) A) and D)

Correct Answer

verifed

verified

An injection of antibodies produces active immunity.

A) True
B) False

Correct Answer

verifed

verified

Lymph is __________ that has entered a lymphatic capillary.

Correct Answer

verifed

verified

The structure of a lymphatic vessel is most similar to that of a(an)


A) artery.
B) arteriole.
C) vein.
D) capillary.
E) metarteriole.

F) A) and E)
G) B) and E)

Correct Answer

verifed

verified

Showing 21 - 40 of 40

Related Exams

Show Answer