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109 terms

Lecture Exam IV

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Plasma cells
Which type of cell actually secretes antibodies?
glucose molecules
All of the following are possible antigens except:
IgG
The antibody molecule that crosses the placenta is:
penicillin attached to protein
Which one of the following is an example of a hapten?
Glycoproteins
Antibodies belong to a group of chemicals known as:
IgA
Which one of the following immunoglobulins (antibodies) was emphasized as being found in colostrum?
antibody titer
? is a measurement of the relative amount of immunoglobulin in the serum.
immunogenicity
The ability of an antigen to stimulate production of antibodies or T-cells is ?.
artifically acquired passive immunity
The administration of GG (gamma globulin) shots for hepatitis is an example of:
TC
The cells that can directly lyse targets are the ? cells.
False
Gamma interferon is produced by fibroblasts.
TC cells; TD cells; B cells; TS cells, all of these
Interleukin-2 (IL-2) is produced by TH cells and is involved in the activation of:
bone marrow, thymus
In humans, B cells mature in the ? , and T cells mature in the ? .
TH cell
The "commander in chief" of the immune system is the ? cell.
interleukin -2
Acytokine that stimulates the activity of B and T cells is:
artificial active
Vaccination is synonymous with ? immunity.
IgG
The largest percentage of antibodies in the blood are:
macrophages
Although there is more than one APC involved in the immune system, the one that we emphasized was the ?.
hapten
A substance that has reactivity but lacks immunogenicity is (a, an) ?.
epitopes
Small parts of antigen molecules that initiate immune responses are called:
histamine
Which of the following is the main mediator released from cytoplasmic granules in mast cells?
release of mediators from mast cells and basophils
Anaphylaxis would fail to occur without:
IgG
In the desensitization procedure, which one of the following is the "interceptor?"
bronciole muscles contract
A life-threatening situation in anaphylaxis occurs when:
respiratory system
Which of the following is the most prominent way by which one acquires an allergen?
IgE
If a person is suffering from anaphylaxis, which one of the antibodies would be found in the highest amount?
acute glomerulonephritis
Which one of the following would be an example of immune complex hypersensitivity?
immune complex
Systemic lupus erythematosus is an autoimmune disease that is an example of ? hypersensitivity?
autoimmune disease, joints
Rheumatoid arthritis is an ? that affects the ? .
acute contact dermatitis
A positive tuberculin skin test is an example of:
serum sickness
A Type III Immune Complex disease that resulted from administering vaccines prepared from horse serum was known as:
the expected rate of rejection of a transplant
Identification of the major histocompatibility antigens is helpful in determining:
the immune system interprets the tissue to be nonself
Transplanted tissue is rejected by the body if:
allograft
An organ transplant typically falls into which of the following categories?
preceded by IgE attachment to mast
Type I anaphylactic hypersensitivity
Death may occur from asphyxiation in 10 to 15 minute
Type I anaphylactic hypersensitivity
Cell damaging or destroying reaction
Type II cytotoxic hypersensitivity
Arthus phenomenon & RA
Type III immune complex hypersensitivity
IgG reacts with antigens on surface of cells
Type III immune complex hypersensitivity
does not involve antibody formation
Type IV cellular hypersensitivity
Bordetella
Which one of the following would not be a spirochete?
Pylori
We mentioned many species names in our survey of the bacteria. Which "species" name indicates an organism that is responsible for ulcers?
Bordetella
On one powerpoint slide we saw bacteria at the base of cilia. The bacteria at the base of cilia belonged to the genus ?
natural waters
The primary habitat of Vibrio cholerae is:
obligate intracellular parasites
Rickettsias and chlamydias are similar in being:
Pseudomonas
Which one of the following organisms would be G- aerobic rod?
Francisella
"Rabbit" fever is caused by which one of the following organisms?
likelihood of septicemia
Which of the following represents a major difference between Salmonella & Shigella?
Vibrio
"Copious" rice water stools was mentioned with respect to which one of the following organisms?
undulant fever
Human brucellosis is also known as:
Haemophilus influenzae
We made reference to the "Spanish" flu pandemic of 1918. Which one of the following organisms was thought to be the cause of this terrible disease?
fluorescent green pigment
A unique characteristic of many isolates of Psuedomonas useful in identification is:
Borrelia burgdorferi, ticks
Lyme disease is caused by ? and spread by ?
eye;urethra;fallopian tube; all of these
Chlamydiosis caused by C. trachomatis attacks which structure(s)?
Fusobacteriums
A G- anaerobic rod implicated in periodontal disease was:
inhabit the large intestines and feces of most individuals
Species of Bacteroides :
group A streptococci
The most severe streptococcal diseases are caused by:
Alpha
? hemolysis is the partial lysis of red blood cells due to bacterial hemolysins.
subacute endocarditis
Viridans streptococci commonly cause:
Clostridium
Which one of the endospore forming bacteria is anaerobic?
Myonecrosis
Closteridium perfringens causes:
respiratory droplets
T. B. is spread by:
E. coli 0157:H7
Which one of the following would cause hemolytic uremic syndrome?
Skin
The portal of entry for Lyme disease would be:
Salmonella
Which one of the "food poisoning" organisms would most likely cause fever in the patient?
Pseudomona
Which one of the organisms was implicated in dermatitis that might be gotten from swimming pools, hot tubs, and saunas.
Yesenia pestis
The "black death", or bubonic plaque has the notorious distinction of being responsible for the death of millions of people. The organism responsible for the bubonic plague is:
Streptococcus; Staphylococcus; Neisseria ;all of these
Which of the following do you suppose is pyogenic?
Streptococcus pyogenes
The cell surface antigen known as the "M-protein" that contributes to virulence by resisting phagocytosis is characteristic of which one of the following?
Staphylococcus aureus
Which one of the following was emphasized as being "catalase positive?"
Mycobacterium
Leprosy, or Hanson's disease, is caused by organisms of which one of the following genera?
Haemophilus ducreyi
A STD which is characterized by a "chancroid" is caused by which of the following?
all organisms
Viruses are known to infect:
particle
A virus is a tiny infectious:
metabolism
Viruses have all of the following except:
human & other animals; plants & fungi;bacteria;protozoa & algae;all of these
Host cells of viruses would include:
either DNA or RNA, not both
The core of every virus particle always contains:
capsomeres
Virus capsids are made from subunits called:
cannot be seen in a light microscope
Viruses:
produce antibodies
The capsid of a virus directly causes the host to:
envelope
Which of the following is not associated with every virus?
it can contain both RNA & DNA
Which of the following is not true of the viral genome?
Capsid
Helical and icosahedral are terms used to describe the shapes of a virus:
RNA viruses
Retroviruses are:
Herpesviridae
Which of the following represents a virus family name?
Rubeola
Koplik spots are characteristic of which of the following?
Influenza
Spikes, antigenic drifts, and antigenic shifts are terms associated with which of the following viral diseases?
hepatitis B
A virus associated with chronic liver infection and cancer is:
biochemical reactions
Classification of viruses into families involves determining all the following characteristics except:
influenza
Guillain-Barre & Reyes syndromes are major complications of which one of the following viral diseases?
False
Some viruses have been found to reproduce by binary fission.
viscerotropic virus
Yellow fever is a viral disease of the liver. As such, the yellow fever virus is classified as a:
RNA, Rhabdoviridae
Rabies is (a,an) ? virus, which is classified in the ? family.
Polio
All of the following may be due to slow virus diseases, except:
cold sores, genetial herpes
HSVI causes ? , and HSVII causes ? .
rubella virus
The following symptoms are characteristic of which of the viruses listed below. The virus lodges in the placenta and passes to the fetus resulting in problems such as eye, ear, brain, and cardiovascular abnormalities.
yellow fever
The viscerotropic viral disease which was responsible for thousands of deaths in Philadelphia in 1793 was:
rabies
Malaise, depression, hydrophobia, and aggressiveness would be characteristics of:
Herpesviridae
The viral group that is well known for its ability to remain latent in the host's cells is:
Hep. B
The form of hepatitis which is sometimes referred to as "serum" hepatitis is:
dimorphism
The ability of a fungus to alternate between hyphal and yeast phases in response to temperature is called:
yeast
Which phase of a fungal life cycle is best adapted to growing in host's body?
more virulent
Primary pathogenic fungi differ from opportunistic fungi in being:
Southwestern
Coccidioidomycosis is endemic to which geographic region in the U.S.?
keratin; skin, hair, nails
Dermatophytic fungi attack the ? in the ?.
True
The habitat of the true fungal pathogen is the soil.
False
Opportunistic fungal pathogens exhibit thermal dimorphism.
flagellate, small intestine
Giardia is a\an ? that invades the ? .
blood
Microbes are normally found in all of these except the: