Specific/adaptive defence Flashcards
Which cells of the specific immune system does the human immunodeficiency virus (HIV) destroy?
a.
Antigen presenting cells
b.
CD8 cells
c.
Helper T cells
d.
Plasma cells
= C
What is the role of helper T cells?
a.
To secrete antibodies
b.
To release cytokines that activate the immune system
c.
A toxic attack on antigen associated invading cells
d.
To digest and present the antigen to the immune system
= B
Which of the following is an example of active artificial immunity?
a.
Becoming infected by the bacteria that causes whooping cough
b.
Injection of antibodies against hepatitis A
c.
Antibodies acquired during breast feeding
d.
Vaccination against chicken pox
= D
Plasma cells and memory cells both belong to
a.
humoral immune response
b.
cell mediated immune response
c.
innate immune response
d.
nonspecific immune response
= A
Cell mediated immune response involves
a.
neutrophils
b.
B lymphocytes
c.
natural killer cells
d.
T lymphocytes
= D
Vaccinating a person is an example of
a.
active natural immunity
b.
passive artificial immunity
c.
active artificial immunity
d.
passive natural immunity
= C
Which of the following is an example of active natural immunity?
a.
Injection of antibodies against hepatitis A
b.
Vaccination against chicken pox
c.
Becoming infected by the bacteria that causes whooping cough
d.
Antibodies acquired during breast feeding
= C
B and T lymphocytes originate in the
a.
liver
b.
thymus
c.
spleen
d.
red bone marrow
= D
What information will a serology report provide?
a.
Best suited antibiotics to treat an infection
b.
The microorganism causing an infection
c.
Resistance your body has developed to any antibiotics
d.
Presence of specific antibodies in the blood
= D
Antibodies acquired by a baby during breast feeding is an example of
a.
passive natural immunity
b.
passive artificial immunity
c.
active natural immunity
d.
active artificial immunity
= A
All of the following cells belong to the specific immune system except
a.
antigen presenting cells
b.
memory B cells
c.
natural killer cells
d.
cytotoxic T cells
= C
Maturation of T lymphocytes takes place in the
a.
red bone marrow
b.
thymus
c.
liver
d.
thyroid gland
= B
Maturation of B lymphocytes takes place in the
a.
liver
b.
red bone marrow
c.
thyroid gland
d.
thymus
= B
The two categories of lymphocytes are
a.
leukocytes and erythrocytes
b.
platelets and macrophages
c.
antibodies and T cells
d.
B and T cells
= D
An elderly person that develops shingles would have been previously exposed to which disease ?
a.
Whooping cough
b.
Influenza virus
c.
Chicken pox
d.
Measles virus
= C
What is the role of CD 8 cells?
a.
A toxic attack on antigen associated invading cells
b.
To secrete antibodies
c.
To release cytokines that activate the immune system
d.
To stimulate non-specific killer cells to attack invading cells
= A
T lymphocytes are involved in
a.
innate immunity
b.
nonspecifc immunity
c.
humoral immunity
d.
cell mediated immunity
= D
Another name for adaptive immunity is
a.
first line of defence
b.
specific immunity
c.
nonspecific immunity
d.
innate defence system
= B
Activated helper T cells release molecules called
a.
cytokines
b.
histamine
c.
antigens
d.
antibodies
= A
a.
Lysozymes
b.
Antigens
c.
Platelets
d.
Antibodies
= D
The proteins secreted by plasma cells are called
a.
cytokines
b.
antibodies
c.
histamine
d.
antigens
= B
The secretion of antibodies by lymphocyte B cells provides
a.
cell mediated immunity
b.
humoral immunity
c.
passive immunity
d.
innate immunity
= B
Cytotoxic T cells and memory cells both belong to
a.
innate immune response
b.
nonspecific immune response
c.
humoral immune response
d.
cell mediated immune response
= D
Dendritic cells
antigen presenting cells that inform the fight against invasive pathogens while enforcing tolerance to self and harmless environmental antigens
