Host Defenses Homework
Multiple Select Question Select all that apply Which of the following processes are components of the second line of defense? Multiple select question. Antibodies Apoptosis Antimicrobial products Sneezing Fever Inflammation Phagocytosis
Antimicrobial products Fever Inflammation Phagocytosis
Host defenses can be divided into____________ or inborn, nonspecific protections; and_________ or adaptive, specific immunities.
Blank 1: innate Blank 2: acquired
Fill in the Blank Question Fill in the blank question. The spleen, thymus, lymph nodes, and GALT are all components of the _____________system.
Blank 1: lymphatic, lymph, or lymphoid
The spleen, thymus, lymph nodes, and GALT are all components of the________________system.
Blank 1: lymphatic, lymph, or lymphoid
Acute inflammatory responses last from a few ________________ to _________________.
Blank 1: minutes or mins Blank 2: hours
The 3 main types of phagocytes are _______________, ___________, and ___________cells.
Blank 1: neutrophils Blank 2: monocytes Blank 3: macrophages
The first and second lines of defense represent___________ immunity while the third line of defense represents __________________immunity.
Blank 1: nonspecific, non-specific, or innate Blank 2: specific or acquired
Hair follicles, skin glands, and unbroken skin are __________________ barriers that protect portals of entry against pathogens invading the body.
Blank 1: physical or anatomical
Fill in the Blank Question Natural or__________________ markers of the body are those recognized by the host's immune system. Listen to the complete question
Blank 1: self
Interferons are produced and secreted only by cells that have been infected with __________________
Blank 1: viruses or virus
Which of the following is characteristic of both nonspecific and specific host defenses? Multiple choice question. Both activate T and B cells Both depend on barrier protection Both involve a leukocyte response
Both involve a leukocyte response
Click and drag on elements in order List the correct order of events in phagocytosis. Instructions Excretion Ingestion Phagolysosome formation Chemotaxis Destruction
Chemotaxis Ingestion Phagolysosome formation Destruction Excretion
Which of the following is NOT a benefit of fever in the host? Multiple choice question. Immune system stimulation Increased hematopoiesis Decreased metabolism
Decreased metabolism
Which is NOT a cardinal sign or symptom of inflammation? Multiple choice question. Dolor Calor Humor Rubor Tumor
Humor
Which is engulfed by phagocytes? Multiple choice question. Dead cells Microbes, dust, and dead cells Microbes Dust Microbes and dead cells
Microbes, dust, and dead cells
How long do most acute inflammatory responses last? Multiple choice question. Seconds to minutes Minutes to hours Hours to days
Minutes to hours
Which of the following is NOT an example of a physical barrier? Multiple choice question. Mucous membranes Earwax Phagocytes Intact skin
Phagocytes
Which of the following are cardinal signs and symptoms of inflammation? Multiple select question. Vigor Rigor Rubor Calor Humor Dolor Tumor
Rubor Calor Dolor Tumor
Which of the following have an antimicrobial effect? Multiple choice question. Tears Sebum Tears and saliva Sebum and saliva Sebum, saliva, and tears
Sebum, saliva, and tears
Select the nonspecific host defenses. Multiple select question. Second line All lines Third line First line
Second line First line
Which describes the third line host defense? Multiple choice question. Nonspecific immunity Specific immunity
Specific immunity
Multiple Select Question Select all that apply Which of the following are benefits of fever? Multiple select question. Stimulation of hematopoiesis Decreased host metabolism Inhibited growth of temperature sensitive microbes Increase in release of iron by macrophages Inhibition of hematopoiesis Stimulation of host immune reactions Increased levels of phagocytosis Increased host metabolism
Stimulation of hematopoiesis Inhibited growth of temperature sensitive microbes Stimulation of host immune reactions Increased levels of phagocytosis Increased host metabolism
Which is a function of white blood cells? Multiple choice question. Formation of clots during inflammation Oxygen transport to tissues Surveillance for pathogens
Surveillance for pathogens
Which type(s) of host cells produce interferon in the case of a viral infection? Multiple choice question. Virally infected cells only Both virally infected and uninfected cells Uninfected cells only
Virally infected cells only
Which is NOT a second line host defense mechanism? Multiple choice question. Fever Vomiting Inflammation Phagocytosis
Vomiting
Multiple Choice Question Which of the following components of the blood carries out surveillance for pathogens? Multiple choice question. Red blood cells Platelets White blood cells
White blood cells
Nonspecific host defenses include all of the following except ______. Multiple choice question. antibody production physical barriers chemical barriers
antibody production
The ________ system is a system of vessels and organs that serve as sites for the development of immune cells, immune surveillance, and immune reactions. Multiple choice question. lymphatic nervous respiratory digestive
lymphatic
Identify the three main types of phagocytes. Multiple select question. NK cells macrophages eosinophils basophils neutrophils monocytes
macrophages neutrophils monocytes
Natural markers of the body that are recognized by the immune system are called ______. Multiple choice question. nonself self
self
True or false: In phagocytosis, the phagosome forms prior to the phagolysosome.
true
True or false: Inborn physical barriers or chemical barriers are nonspecific host defense mechanisms.
true
True or false: Phagocytes engulf and destroy antigens such as microbes, dust and dead cells.
true
True or false: Sebaceous secretions, saliva, and tears all have antimicrobial properties.
true
True or false: The first and second lines of host defense are nonspecific protections.
true
