Human Anatomy & Physiology: The Immune System Flashcards


Which of the following types of cells is involved in
adaptive immunity?

B Cells

Which of the following is NOT a sign of inflammation?

Fever

True or False
A moderate fever is an example of an innate body defense.

TRUE

__________ are substances that can trigger the adaptive defenses and
provoke an immune response.

Antigens

__________ is the property of lymphocytes that prevents them from
attacking the body's own cells.

Self-tolerance

Self-reactive B cells are eliminated in the __________.

Bone Marrow

A vaccination works to establish __________.

artificial active immunity

Which of the following is a characteristic of a secondary immune response?

A secondary immune response lasts longer than a primary immune response.

What is the second step of T cell activation?

co-stimulation

Natural killer cells are a type of lymphocyte that recognizes
abnormal cells. How does it "know" that a cell is an
abnormal cell?

It looks for the absence of normally occurring self-proteins.

Which of the following is a group of proteins that enhance both the
innate and specific defense mechanisms and can even kill some bacteria
by themselves?
A) Cytokines
B) Interferons
C) Compliment proteins

C) Compliment proteins

The innate external defense system includes:
A) skin and mucus membranes.
B) B and T cells.
C) cells and chemicals (for example, phagocytes).

A) Skin and mucus membranes

Pathogens are classified according to size. Which of the following is
the smallest?
A)Viruses
B) Parasitic worms
C) Fungi
D) Bacteria

A

The skin would be classified as which type of defense?
A) Adaptive defense
B) Innate external defense
C)Innate internal defense

B

Which of the following defenses identify enemies by recognizing a
limited number of markers unique to pathogens?
A)Adaptive defenses
B) Innate internal defenses
C) Innate external defenses

B

Which of the following defenses identify just one specific bacterium,
virus, etc.?
A) Innate external defenses
B) Adaptive defenses
C) Innate internal defenses

B

Which of the following defenses use memory in order to recognize a
specific invader?
A) Innate external defenses
B)Innate internal defenses
C)Adaptive defenses

C

What cells make antibodies?
A)Cytotoxic T cells
B)Memory T cells
C)Plasma B cells
D) Memory B cells

C) Plasma B Cells

The adaptive defense system includes:
A) cells and chemicals in body fluids.
B) B and T cells.
C)tears and mucous membranes

B) B and T cells

If a pathogen is located in the extracellular fluid, which type of
immunity would be activated?
A)Humoral
B)Cellular

A) Humoral