MindTap Ch34

Which cells would be ignored in most instances by lymphocytes? A) "self" cells with MHC markers B) cells with both antigen and self-MHC markers C) cells coated with complement proteins D) cells with antigens on their surface E) cells with damaged or mutant self-MHC markers

"self" cells with MHC markers

A person with which blood type can receive a transfusion from anyone else regardless of their blood type? A) A negative B) A positive C) O positive D) AB positive E) AB negative

AB positive

Selecting the Exception: Four of the five problems listed below show too much immune response. Select the exception. A) allergies B) multiple sclerosis C) Graves' disease D) rheumatoid arthritis E) AIDS

AIDS

Which immunoglobulin is able to pass the placenta to protect the fetus from pathogens? A) IgE B) IgA C) IgC D) IgD E) IgM

IgC

Self-recognition is based on T cells receptors recognizing: A) complement B) MHC markers C) TCRs D) naive B cells E) antibodies

MHC markers

A normally harmless substance that produces an immune response in some people is a(n): A) histamine B) cytokine C) pathogen D) allergen E) antibody

allergen

Blood typing is based on: A) a protein in blood plasma B) hemoglobin on red blood cells C) antigens on red blood cells D) antibodies on red blood cells E) gene sequencing

antigens on red blood cells

Antigen binding sites on one antibody: A) are the same as on all other antibodies B) will bind to several different antigens C) are unique and specific to one antigen D) consist of light chain variable regions only E) are the same as all membrane bound receptors

are unique and specific to one antigen

Selecting the Exception: Four of the five answers listed below are barriers to pathogen invasion. Select the exception. A) blood plasma B) intact skin C) lysozyme D) mucous membrane E) gastric juices

blood plasma

A vaccine that protects against infection of some strains of genital HPV also protects against: A) cervical cancer B) breast cancer C) autoimmune diseases D) AIDS E) genital bacterial infection

cervical cancer

What set of proteins is present in an inactive form in the blood, but become activated via a cascade of events and then play a role in immune responses? A) Lysozyme B) Complement C)Prostaglandin D) Interferon E) Cytokine

complement

In a cell-mediated immune response, how does a helper T cell activate cytotoxic T cells? A) cytokine signaling B) antibodies C) receptor signaling D) neural signaling E) via cross-talk with macrophages

cytokine signaling

What are signaling molecules that are used by cells of the immune system to communicate with each other? A) complements B) cytokines C) neurotransmitters D) hormones E) PAMPs

cytokines

Which cells display digested viral cell fragments on their surface? A) memory T cells B) cytotoxic T cells C) helper T cells D) dendritic cells E) B cells

dendritic cells

Which cells attack parasites that are too big for phagocytosis? A) lymphocytes B) basophils C) eosinophils D) dendritic cells E) neutrophils

eosinophils

The antibody molecule consists of how many polypeptide chains, including light and heavy chains? A) two B) three C) four D) five E) six

four

Most cervical cancers are caused by: A) streptococcus B) staphylococcus C) human papillomavirus D) herpes virus E) hantavirus virus

human papillomavirus

During antigen processing in a phagocytic cell, where does the MHC molecule bind antigen? A) endoplasmic reticulum B) nucleus C) golgi bodies D) cell membrane E) lysosome

lysosome

Which immune cells can kill cancerous cells that lack MHC markers? A) cytotoxic T cells B) natural killer cells C) effector B cells D) both cytotoxic T cells and natural killer cells E) all of these

natural killer cells

Pathogen-associated molecular patterns (PAMPs) are: A) nonself cues B) antibodies C) surface proteins on white blood cells D) complement proteins E) antigen receptors

nonself cues

Selecting the Exception: Four of the five answers listed below are targets of the immune system. Select the exception. A) normal cells B) debris and dead cells C) bacteria D) cancer cells E) virus

normal cells

Selecting the Exception: Four of the five terms that describe the adaptive immune response. Select the exception. A) diversity B) specific C) pattern recognition D) memory E) self/nonself recognition

pattern recognition

What cell type engulfs pathogens and foreign particles and signals to the immune system to report the presence of a threat? A) lymphocytes B) B cells C) mucus-producing cells D) phagocytes E) normal flora

phagocytes

Most drugs used to treat AIDS are aimed at: A) destroying the viral infected cells B) process unique to retroviral replication C) helper T cell generation D) strengthening the immune response E) preventing secondary infections

processes unique to retroviral replication

Clones of B or T cells are: A) being produced continually B) produced only when their surface receptors recognize a specific antigen C) interchangeable D) known as memory cells E) produced and mature in the bone marrow

produced only when their surface receptors recognize a specific antigen

Passive immunity can be obtained by: A) receiving memory B cells from a donor B) receiving a vaccination against the disease C) receiving antibodies by injection D) having the disease E) receiving a booster vaccination

receiving antibodies by injection

Of the following, AIDS is usually transferred by: A) casual contact B) insect bites C) food D) water E) sexual intercourse

sexual intercourse

Low pH is an important deterrent to pathogens in the: A) stomach and mouth B) vagina only C) stomach and vagina D) mouth only E) stomach only

stomach and vagina

Selecting the Exception: Four of the five answers listed below are events of the inflammatory response. Select the exception. A) blood vessels dilate B) temperature of the affected area drops C) capillary permeability increases D) phagocytes migrate toward the affected area E) histamines are released

temperature of the affected area drops

The purpose of a vaccine is: A) to stimulate the immune response and cause memory cells to be formed B) to stimulate a primary immune response C) to cause memory cells to be formed D) to cure the disease E) to kill any infected cells present in the body

to stimulate the immune response and cause memory cells to be formed