Immune Dysfunction (Mordecai) Exam III Flashcards
What is the primary function of the human immune system?
A) To aid in digestion
B) To repair tissues
C) To protect the host
D) To regulate metabolism
C) To protect the host against micro-organisms
Slide 2
The human immune system is divided into which of the following types of immunity? (Select 2)
A) Innate immunity
B) Passive immunity
C) Aquired immunity
D) Humoral immunity
A) Innate immunity,
C) Acquired immunity aka Adaptive
Slide 2
Innate immunity differs from adaptive immunity in which of the following ways?
A) It takes longer to activate and responds specifically
B) It provides long-lasting memory
C) It responds rapidly and non-specifically
D) It requires prior exposure to pathogens
C) It responds rapidly and non-specifically
slide 3
Innate immunity recognizes ____ pathogens and it does not require a prior exposure.
A) Specific
B) Common
C) Unique
D) Limited
B) Common
Slide 3
The innate immune system has the following properties: (Select 3)
A) No long-lasting immunity
B) Slow activation
C) No immunological memory
D) Highly specific to pathogens
E) Responds identically to repeated infections
F) Capable of immunological memory
A) No long-lasting immunity
C) No immunological memory - No antibodies are formed.
E) Responds identically to repeated infections
slide 3
Which of the following is an example of a non-cellular element of innate immunity?
A) Neutrophils
B) Natural Killer (NK) cells
C) Complement proteins
D) Macrophages
C) Complement proteins
Mordecai - non-immune cell elements which are more structural things like…complement proteins
slide 4
The non-cellular elements of innate immunity include: (Select 3)
A) Acute phase proteins
B) Epithelial membranes
C) Natural Killer (NK) cells
D) Mucous membranes
E) Neutrophils
A) Acute phase proteins
B) Epithelial membranes
D) Mucous membranes
Slide 4
Which type of cellular element in the innate immunity responds the fastest to infection?
A) Macrophages
B) Monocytes
C) Neutrophils
D) Natural Killer (NK) cells
C) Neutrophils
Cells at Work.. great anime.
Slide 4
Macrophages are part of the cellular elements of the innate immune system and provide:
A) A fast but short-lived response
B) A slower but sustained response
C) No response unless activated by T-cells
D) Only non-specific responses
B) A slower but sustained response
slide 4
Which of the following are considered cellular elements of innate immunity? (Select 2)
A) NK Cells
B) Epithelial and mucous membranes
C) Monocytes
D) Microphages
E) Complement
A) NK Cells - natural killer
C) Monocytes,
Slide 4
What is the common origin of all blood cells, including both myeloid and lymphoid lineages?
A) T-cell progenitor
B) Homeotopoietic stem cell
C) Common myeloid progenitor
D) Granulocyte-monocyte progenitor
E) Hematopoietic stem cell
E) Hematopoietic stem cell
Slide 4
Which of the following cells are derived from the common myeloid progenitor? (Select 4)
A) Megakaryocyte
B) Cytotoxic T-cells
C) Erythrocytes
D) Eosinophil progenitor
E) B-cells
F) Basophil progenitor
A) Megakaryocyte
C) Erythrocytes
D) Eosinophil progenitor
F) Basophil progenitor
and Granulocyte-monocyte progenitor
Slide 4
Which of the following cells originate from the common lymphoid progenitor? (Select 3)
A) T-cell progenitor
B) Natural Killer cells
C) Platelets
D) B-cells progenitor
E) Basophils
A) T-cell progenitor
B) Natural Killer (NK) cells,
D) B-cells progenitor
Slide 4
What is does the granulocyte-monocyte progenitor create? (Select 2)
A) Monocytes
B) Dendritic cells
C) Platelets
D) Eosinophils
E) Mast cells
F) Neutrophils
A) Monocytes,
F) Neutrophils
Slide 4
Platelets are derived from which of the following?
A) Monocytes
B) Eosinophils
C) Neutrophils
D) Megakaryocytes
D) Megakaryocytes
Slide 4
Which of the following cells are derived from the Monocytes? (Select 2)
A) Basophils
B) Helper T-cells
C) Dendritic cells
D) Macrophages
E) Natural Killer (NK) cells
C) Dendritic Cells
D) Macrophages
Slide 4
True or False
Erythrocytes are also known as Red Blood Cells
True
slide 4
Which of the following cells originate from the Basophil progenitor? (Select 2)
A) Mast cells
B) Eosinophils
C) Helper T-cells
D) Basophils
E) Cytotoxic T-cells
A) Mast cells
D) Basophils
Slide 4
The complement system plays a role in which of the following types of immunity?
A) Innate immunity only
B) Adaptive immunity only
C) Both innate and adaptive immunity
D) Neither innate nor adaptive immunity
C) Both innate and adaptive immunity
Slide 5
Which of the following is one of the primary functions of the complement system?
A) Producing antibodies
B) Marking pathogens for destruction
C) Directly killing pathogens without any immune cell involvement
D) Providing long-term memory of pathogens
B) Marking pathogens for destruction
Slide 5
The complement system consists of over ____ plasma and cell surface proteins, most of which are produced in the ____.
A) 20; bone marrow
B) 50; spleen
C) 30; liver
D) 15; spleen
E) 40; liver
C) 30; liver
Slide 5
One of the primary functions of the complement system is to augment ____ and ____ to help clear pathogens from the body.
A) phagocytes; antibodies
B) T-cells; natural killer cells
C) enzymes; hormones
D) mast cells; basophils
A) phagocytes; antibodies
Slide 5
The complement system can be activated by ____ in the classical pathway or by ____ in the alternative pathway.
A) T-cells or B-cells
B) Antigens or antibodies
C) Compliment 1 or compliment 3
D) Neutrophils or macrophages
C) C1; C3
Usually Compliment 1 in the classical pathway
Slide 5
Which of the following are NOT a characteristic of neutrophils? (Select 3)
A) Most numerous white blood cells
B) Migrate rapidly during bacterial infections
C) Have a half-life of 24 hours
D) Sensitive to acidic environments of infection
E) Become purulent exudate
C) Have a half-life of 24 hours
slide 6