Frage 1
Frage
Which of the following cells is not involved with innate immunity?
Frage 2
Frage
The first line of defense in innate immunity is
Frage 3
Frage
Which of the following is a phagocytic monocyte that migrates out of the bloodstream?
Antworten
-
neutrophil
-
macrophage
-
phagosome
-
none of the above
Frage 4
Frage
The immune mechanism that provides a general defense by acting against anything recognized as nonself is termed adaptive immunity
Frage 5
Frage
Interferon has been proven effective as a treatment against most cancers
Frage 6
Frage
The complement cascade causes phagocytosis of the foreign cell that triggered it
Frage 7
Frage
Natural killer cells are a group of lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses
Frage 8
Frage
Molecular markers: [blank_start]antigen[blank_end]
Process used by complement to mark microbes for destruction by phagocytes cells: [blank_start]opsonization[blank_end]
Cytokine: [blank_start]interferon[blank_end]
Pattern-recognition receptors in the membranes of host cells: [blank_start]toll-like receptors[blank_end]
Second line of defense: [blank_start]phagocytes[blank_end]
Ability to activate an effective response to an antigen: [blank_start]immunocompetence[blank_end]
Must engage their target cells by direct contact to cause cell destruction: [blank_start]natural killer cells[blank_end]
Another term for innate immunity: [blank_start]non-specific[blank_end]
Major category of immune mechanism: [blank_start]innate immunity[blank_end]
Name given to each of about 20 inactive enzymes in the plasma and on cell surfaces: [blank_start]complement[blank_end]
Antworten
-
antigen
-
opsonization
-
interferon
-
toll-like receptors
-
phagocytes
-
immunocompetence
-
natural killer cells
-
non-specific
-
innate immunity
-
complement
Frage 9
Frage
Chemicals released from cells to trigger or regulate innate and adaptive responses are [blank_start]cytokines[blank_end].
Frage 10
Frage
Natural killer cells are a group of [blank_start]lymphocytes[blank_end] that kill many types of tumor cells and cells infected with different types of viruses.
Frage 11
Frage
The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is [blank_start]self[blank_end] [blank_start]tolerance[blank_end].
Frage 12
Frage
Phagocytosis is a specific defense mechanism
Frage 13
Frage
Diapedesis si the movement of neutrophils out of the bloodstream and around the tissue cells to the site of the injury
Frage 14
Frage
Innate immunity is also knows as adaptive immunity
Frage 15
Frage
Sebum and mucus are part of the body's first line of defense
Frage 16
Frage
The primary cells involved in adaptive immunity are T cells and B cells
Frage 17
Frage
B cells and T cells are examples of
Antworten
-
monocytes
-
lymphocytes
-
neturophils
-
macrophages
Frage 18
Frage
Cell-mediated immunity involves
Antworten
-
a. B cells
-
b. T cells
-
c. both a and b
-
d. neither a or b
Frage 19
Frage
The T cell subsets that are clinically important in diagnosing AIDS are
Antworten
-
a. CD4
-
b. CD8
-
c. neither a nor b
-
d. both a and b
Frage 20
Frage
The specific cells that secrete antibodies are
Antworten
-
B cells
-
T cells
-
plasma cells
-
none of the above
Frage 21
Frage
T cells are sensitized by
Antworten
-
direct exposure to an antigen
-
presentation of an antigen by an antigen-presenting cell
-
antibodies produced by B cells
-
lymphokines
Frage 22
Frage
Complement can best be described as
Frage 23
Frage
The chemical messengers that T cells release into inflamed tissues are called
Antworten
-
pathogens
-
cytokines
-
lymphotoxins
-
suppressor cells
Frage 24
Frage
Antibodies are proteins of the family called [blank_start]immunoglobolins[blank_end]
Frage 25
Frage
[blank_start]IgM[blank_end] is the predominant class of antibody produced after initial contact with an antigen
Frage 26
Frage
The first vaccination was against the [blank_start]small[blank_end] [blank_start]pox[blank_end].
Frage 27
Frage
Some vaccines use [blank_start]attenuated[blank_end] (weakened) pathogens.
Frage 28
Frage
[blank_start]Active[blank_end] [blank_start]immunity[blank_end] generally lasts longer than passive immunity.
Frage 29
Frage
Abnormal antigens or [blank_start]tumor[blank_end] [blank_start]markers[blank_end] are present in the plasma membranes of some cancer cells in addition to self-antigens.
Frage 30
Frage
Helper T cells and suppressor T cells help regulate [blank_start]adaptive[blank_end] [blank_start]immunity[blank_end] function by regulating B cell and T cell function.
Frage 31
Frage
A fetus receives protection from the mother through [blank_start]natural[blank_end] [blank_start]passive[blank_end] immunity.
Frage 32
Frage
A vaccine provides [blank_start]artificial[blank_end] [blank_start]active[blank_end] immunity.
Frage 33
Frage
T cells do which of the following?
Antworten
-
develop in the thymus
-
form memory cells
-
form plasma cells
-
all of the above
Frage 34
Frage
B cells do which of the following?
Frage 35
Frage
Which of the following kills invading cells by drilling a hole in their plasma membrane?
Antworten
-
interferon
-
complement
-
antibody
-
memory cell
Frage 36
Frage
What is a rapidly growing population of identical cells that produce large quantities of specific antibodies called?
Antworten
-
complementary
-
lymphotoxic
-
chemotactic
-
monoclonal
Frage 37
Frage
Which of the following is a form of passive natural immunity?
Antworten
-
A child develops measles and acquires immunity to subsequent exposure
-
Antibodies are injected into an infected individual
-
An infant receives protection through its mother's milk
-
Vaccination are given against smallpox
Frage 38
Frage
Hypersensitivity of the immune system to an environmental antigen is known as an [blank_start]allergy[blank_end].
Frage 39
Frage
Drugs used to relieve the symptoms of allergies are called [blank_start]antihistamine[blank_end].
Frage 40
Frage
A [blank_start]lymphotoxin[blank_end] is a powerful poison that acts directly and quickly to kill any cell it attacks.
Frage 41
Frage
Antibody-mediated immunity is sometimes referred to as [blank_start]humoral[blank_end] immunity.
Frage 42
Frage
Antibodies are proteins of the family called [blank_start]immunoglobulins[blank_end].
Antworten
-
immunoglobulins
-
lymphotoxins
Frage 43
Frage
Complements attacks antigens by [blank_start]cytolysis[blank_end].
Antworten
-
cytolysis
-
clonal deletion
Frage 44
Frage
The chemical messengers released by T cells are called [blank_start]cytokines[blank_end].
Frage 45
Frage
Vaccinations are [blank_start]active[blank_end] forms of gaining immunity.