Textbook Questions Unit 3 Flashcards
A physician orders an antibody titer (a test to determine the presence and amount of antibodies) in a patient’s blood. The nurse knows that antibodies function to _____________.
* directly destroy foreign organ grafts
* mark invading organisms for destruction
* kill intracellular viruses
* directly promote cytokine synthesis
mark invading organisms for destruction
MHC class II molecules bind _____________ to and trigger _____________.
* endogenous antigens; cytotoxic T cells
* exogenous antigens; cytotoxic T cells
* endogenous antigens; helper T cells
* exogenous antigens; helper T cells
exogenous antigens; helper T cells
A patient is in trouble in the burn unit of a hospital—his body is rejecting the skin grafted over his severe injury. Rejection of a foreign skin graft is an example of _____________.
* destruction of virus-infected cells
* tolerance
* antibody-mediated immunity
* a cell-mediated immune response
a cell-mediated immune response
Among the key molecules that control cell-mediated immunity are _____________.
* perforin
* immunoglobulins
* complement
* cytokines
cytokines
Which major class of immunoglobulin is found in the mother’s milk?
IgG
IgM
IgA
IgE
IgA
Which of the following lymphocytes predominates in normal blood?
T cells
B cells
plasma cells
memory cells
T cells
In which of the following can B cells be found?
lymph nodes
spleen
red bone marrow
all of the above
all of the above
true or false
MHC class II molecules are found on T cells
Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.
antigen-presenting cells are found on T cells
true or false
Apoptosis is the term used to describe cellular suicide.
Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.
true
true or false
Lymphocytes with CD8 glycoprotein are helper T cells.
Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.
cytotoxic
true or false
Cytotoxic T cells secrete immunoglobulin.
Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.
plasma cells
true or false
Secretion of antibodies by plasma cells (activated B cells) is a form of cell-mediated immunity.
Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.
antibody
1. Plasma cell
2. Cytotoxic T cell
3. Th2 cell
4. Dendritic cell
A. MHC 2 molecule
B. interleukin 4
C. Perforin and granzyme
D. Immunoglobulin
Match each cell in the numbered list with its associated protein from the lettered list.
D. Immunoglobulin
- Plasma cell
2. Cytotoxic T cell - Th2 cell
- Dendritic cell
A. MHC 2 molecule
B. interleukin 4
C. Perforin and granzyme
D. Immunoglobulin
Match each cell in the numbered list with its associated protein from the lettered list.
C. Perforin and granzyme
- Plasma cell
- Cytotoxic T cell
3. Th2 cell - Dendritic cell
A. MHC 2 molecule
B. interleukin 4
C. Perforin and granzyme
D. Immunoglobulin
Match each cell in the numbered list with its associated protein from the lettered list.
B. interleukin 4
- Plasma cell
- Cytotoxic T cell
- Th2 cell
4. Dendritic cell
A. MHC 2 molecule
B. interleukin 4
C. Perforin and granzyme
D. Immunoglobulin
Match each cell in the numbered list with its associated protein from the lettered list.
A. MHC 2 molecule
**1. artificially acquired passive immunotherapy
**2. naturally acquired active immunity
3. naturally acquired passive immunity
4. artificially acquired active immunity
A. production of IgE in response to pollen
B. Acquisition of maternal antibodies in breast milk
C. administration of tetanus toxoid
D. Administration of antitoxin
Match each type of immunity in the numbered list with its associated example from the lettered list.
D. Administration of antitoxin
- artificially acquired passive immunotherapy
**2. naturally acquired active immunity
**3. naturally acquired passive immunity - artificially acquired active immunity
A. production of IgE in response to pollen
B. Acquisition of maternal antibodies in breast milk
C. administration of tetanus toxoid
D. Administration of antitoxin
Match each type of immunity in the numbered list with its associated example from the lettered list.
A. production of IgE in response to pollen
- artificially acquired passive immunotherapy
- naturally acquired active immunity
**3. naturally acquired passive immunity
**4. artificially acquired active immunity
A. production of IgE in response to pollen
B. Acquisition of maternal antibodies in breast milk
C. administration of tetanus toxoid
D. Administration of antitoxin
Match each type of immunity in the numbered list with its associated example from the lettered list.
B. Acquisition of maternal antibodies in breast milk
- artificially acquired passive immunotherapy
- naturally acquired active immunity
- naturally acquired passive immunity
4. artificially acquired active immunity
A. production of IgE in response to pollen
B. Acquisition of maternal antibodies in breast milk
C. administration of tetanus toxoid
D. Administration of antitoxin
Match each type of immunity in the numbered list with its associated example from the lettered list.
C. administration of tetanus toxoid
These phagocytes of the epidermis are called ______.
dendritic cells
Mucus-secreting membranes are found in ______.
the urinary system
the digestive cavity
the respiratory passages
all of the above
all of the above
The complement system involves ______.
serum proteins involved in nonspecific defense
The alternative complement activation pathway involves ______.
factors B, D, and P
Which of the complement fragments is inflammatory?
C3a
C4a
C5a
all of the above
all of the above
Interferons ______.
- provide protection against viruses for cells neighboring the cell that secretes them
- stimulate the activity of macrophages
- can cause malaise, muscle aches, chills, headache, and fever
- all of the above
all of the above
Which of the following is not targeted by a Toll-like receptor?
eukaryotic flagellar protein
A researcher is searching for ways to reduce chronic inflammation by blocking certain Toll-like receptors (TLRs). TLRs directly ______.
bind microbial proteins and polysaccharides
Iron-binding chemicals can protect patients from certain pathogens. Which of the following binds iron?
lactoferrin
siderophores
transferrin
all of the above
all of the above
The surface cells of the epidermis of the skin are alive.
Indicate which statements are true. Correct all false statements by changing the underlined words.
dead
The surface cells of mucous membranes are alive
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
Wandering macrophages experience diapedisis
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
Monocytes are immature macrophages
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
phagocytes exhibit chemotaxis toward a pathogen
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
In defensive phagocytosis, adhesion involves the binding between complementary chemicals on a phagocyte and on the membrane of a ** body cell.**
Indicate which statements are true. Correct all false statements by changing the underlined words.
pathogen
Opsonization occurs when a cell’s pseudopods surround a microbe and fuse to form a sac.
Indicate which statements are true. Correct all false statements by changing the underlined words.
ingestion
Lysosomes fuse with phagosomes to form peroxisomes.
Indicate which statements are true. Correct all false statements by changing the underlined words.
phagolysosomes
A membrane attack complex drills circular holes in a macrophage.
Indicate which statements are true. Correct all false statements by changing the underlined words.
pathogen’s cytoplasmic membrane
Rubor, calor, swelling, and dolor are associated with fever.
Indicate which statements are true. Correct all false statements by changing the underlined words.
inflammation
Acute and chronic inflammation exhibit similar signs and symptoms.
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
The hypothalamus of the brain controls body temperature.
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
Defensins are phagocytic parts of the first line of defense.
Indicate which statements are true. Correct all false statements by changing the underlined words.
antimicrobail peptides
NETs are webs produced by neutrophils to trap microbes.
Indicate which statements are true. Correct all false statements by changing the underlined words.
true
lymphocytes are large agranulocytes
Indicate which statements are true. Correct all false statements by changing the underlined words.
monocytes
Which line of defense first applies to each term?
Inflammation
Second line of defense
Which line of defense first applies to each term?
monocytes
second line of defense
Which line of defense first applies to each term?
lactoferrin
second line of defense
Which line of defense first applies to each term?
fever
second line of defense
Which line of defense first applies to each term?
dendritic cells
first line of defense
Which line of defense first applies to each term?
alpha interferon
second line of defense
Which line of defense first applies to each term?
mucous membranes of the digestive tract
first line of defense
Which line of defense first applies to each term?
neutrophils
second line of defense
Which line of defense first applies to each term?
epidermis
first line of defense
Which line of defense first applies to each term?
lysozyme
first line of defense
Which line of defense first applies to each term?
goblet cells
first line of defense
Which line of defense first applies to each term?
phagocytes
second line of defense
Which line of defense first applies to each term?
sebum
first line of defense
Which line of defense first applies to each term?
T lymphocytes
third line of defense
Which line of defense first applies to each term?
antimicrobial peptides
first line of defense
Goblet cells
secretes mucus
lysozyme
breaks bonds in bacterial cell wall
stem cell
generatice cell with many types of offspring
dendritic cell
devours pathogens in epidermis
cell form sebaceous gland
secretes sebum
bone marrow stem cell
develops into formed elements of blood
eosinophil
leukocyte that primarily attacks parasitc worms
alveolar macrophage
phagocytic cell in lungs
microglia
phagocytic cell in central nervous system
wandering macrophage
intercellular scavenger
