Chapter 22 Test Yourself Practice quiz

True or False? The acronym MALT stands for mucosa-associated lymphoid tissue and it is a collection of lymphoid tissues that protect the epithelia of the digestive, respiratory, urinary, and reproductive systems.

True

False

True

If the thymus failed to produce thymosins, development of which population of lymphocytes would be affected?

T cells

NK cells

microphages

B cells

T cells

Cells that are attracted to or repelled by chemicals in the surrounding fluids are moving by a process called ___________.

chemotaxis

surveillance

diapedesis

opsonization

chemotaxis

Once complement has been activated, cells lyse by the formation of ____________ that destroys the integrity of the target cell.

a membrane attack complex

a plasma membrane ionizing lectin

an osmotic gradient

a macrophage enhancing cascade

a membrane attack complex

What chemicals are released that promote the feeling of pain to signal a person that damage has occurred at a specific location in the body?

interferons

prostaglandins

cytokines

histamine

prostaglandins

True or False? The spleen detects foreign antigens in the blood and lymph nodes detect foreign antigens in the lymph.

True

False

True

The tissue destruction that occurs after cells have been injured or destroyed is called _________.

an infarct

an embolism

necrosis

emigration

necrosis

Fever-inducing agents that reset the body's temperature-regulating center to raise body temperature are called __________.

pyrogens

histamines

prostaglandins

opsins

pyrogens

What form of adaptive immunity is induced by contracting a pathogen such as SARS-CoV-2, the causative agent of COVID-19?

artificially acquired passive immunity

artificially acquired active immunity

naturally acquired active immunity

naturally acquired passive immunity

naturally acquired active immunity

Membrane glycoproteins that identify the cell as "self" rather than foreign are called _________.

epitopes

surface markers

MHCs

antigens

MHCs

True or False? During the primary immune response, IgG peaks first, but upon re-exposure IgM peaks first during the secondary immune response.

True

False

False

Which of the following is NOT a class of lymphocyte found in blood?

neutrophils

NK cells

T cells

B cells

neutrophils

Why is innate immunity considered nonspecific?

Innate immune responses cannot distinguish between self and non-self antigens

Innate immune responses function in the same manner regardless of the pathogen encountered

Although innate immune responses only protect us against bacteria, the pathogen can be found anywhere in the body

all the answers are correct

Innate immune responses function in the same manner regardless of the pathogen encountered

The destruction of abnormal cells in peripheral tissues by NK cells is called ____________.

molecular depletion

immune surveillance

protein messaging

cellular tolerance

immune surveillance

What do plasma cells secrete?

antibodies

perforins

antimicrobial peptides

lysozymes

antibodies