Chap 11 Quiz

What are the two categories of second-line defenses? mucus and lysozyme red blood cells and antibodies antibodies and platelets platelets and red blood cells assorted molecular factors and leukocytes

assorted molecular factors and leukocytes

Which of the following is an agranulocyte? eosinophil cell basophil cell mast cell neutrophil cell dendritic cell

dendritic cell

Which of the following does not describe adaptive immunity? generalized responses that don't vary based on the pathogen being fought recognizes pathogens it previously fought, allowing for quicker and more aggressive defense mobilization upon later exposures to the same agent matures over time only in vertebrate animals

generalized responses that don't vary based on the pathogen being fought

Which of the following are examples of chemical barriers? lysozyme tears stomach acid skin

lysozyme tears??? stomach acid

Which cell type is the largest agranular white blood cell, mature as they leave the circulatory system, and increase cell levels due to chronic infections and inflammation, autoimmune disorders, and certain cancers?

monocytes

Which cell type is the most numerous white blood cell in circulation, is the first leukocyte recruited from the bloodstream to injured tissues, and releases potent antimicrobial peptides?

neutrophils

In the correct order, what are the names of the fluid leaving the capillaries, going into the space between cells and then into the lymphatic capillaries?

plasma, interstitial fluid, and lymph

The general goal of first-line defenses is to

prevent pathogen entry

Antimicrobial peptides can do all of the following except disrupt plasma membrane and/or cell wall. target intracellular components. insert themselves into target cell membranes. stimulate leukocytes. regulate body temperature.

regulate body temerature

What are cytokines?

signaling proteins that help cells communicate with each other, initiating and coordinating immune actions

Which of the following are the phases of inflammation? vascular changes resolution leukocyte recruitment angiogenesis

vascular changes; resolution; leukocyte recruitment

What is the general classification used to categorize leukocytes?

whether or not leukocytes have granules in their cytoplasm that are visible when stained and then viewed by light microscopy

Which of the following features are shared between both innate and adaptive immunity? choose all that apply 1. recognize diverse pathogens 2. discriminate between self and foreign antigens 3. eliminate identified invaders 4. remember antigens

1, 2, 3

Which of the following is a reason the skin is a useful barrier? choose all that apply 1. The skin is enriched with lipids to serve as a water-resistant layer. 2. The skin is enriched with specialized proteins such as keratin. 3. The skin produces mucus to trap microbes. 4. The outermost layer is made up of tightly compacted dead epithelial cells

1, 2, 4

Secondary lymphoid tissues (choose all that apply) 1. lymph nodes 2. are where formed elements in 3. blood are produced. 4. spleen 5. are where leukocytes mature. 6. are neutrophils and eosinophils.

1, 3 ????

Which of the following is a reason the skin is a useful barrier? choose all that apply 1. The skin is enriched with specialized proteins such as keratin. 2. The skin produces mucus to trap microbes. 3. The skin is enriched with lipids to serve as a water-resistant layer. 4. The outermost layer is made up of tightly compacted dead epithelial cells

1, 3, 4