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