問題一覧
1
A striking feature of Clostridium tetani that differentiates it from other pathogenic species of Clostridium is its ability to
form terminally located, spherical spores
2
All of the following are true of autoimmune diseases except
damage to organs occurs due to long-term excessive production of IgE
3
What will be the immediate action of an allergen when it enters that body for a second time?
bonding of allergen to adjacent IgE binging sites on mast cells and basophils
4
Which microorganism species is most well adapted to life on the skin?
S. epidermidis
5
Fungal spores and animal dander are considered to be which type of allergen?
inhalant
6
This febrile disease with a rash has a pathogen that can cross the placenta and cause serious fetal damage
rubella
7
All of the following pertain to measles (rubeola) except
transmitted by direct contact with the rash
8
When Lyme disease was first being investigated, the observation that frequently only 1 person in a household was infected was a clue leading to the discovery that the disease was spread by arthropod bites. Why was this so?
If the infection is spread by the bite of an arthropod, it wouldn't spread easily by respiratory secretions, direct contact, or sexual contact between individuals within the family.
9
Why is it not surprising that Staphylococci are the leading cause of wound infections?
This genus is readily present as a part of the normal flora on most people's skin, so it could easily enter wounds
10
If a person who has never been infected with the varicella-zoster virus comes in contact with a person who has shingles, they will come down with
chicken pox
11
Which is mismatched?
Hay fever - Type IV hypersensitivity
12
An example of artificial passive immunity would be
giving a person immune serum globulins to chickenpox virus after exposure to the disease
13
The serum of a person with blood type A, Rh-, will have which of the following antibodies?
Anti B, Anti Rh
14
Which is incorrect about warts?
are frequently cancerous
15
Which of the following is a special binding substance that enhances immunogenicity and prolongs antigen retention at the injection site?
adjuvant
16
What is the most likely reason why smokers are more at risk for respiratory system infections?
Chemicals in cigarette smoke can impair the mucociliary escalator, preventing natural cleansing of the respiratory tract.
17
Would babies need to be immunized against lockjaw (tetanus) if their mother had been immunized against the disease? Why or why not?
Yes-because even though maternal IgG antibodies might be passed along through the placenta, they will not last forever. The baby will need to create its own antibody response to be protected against future tetanus
18
Choose the incorrect statement about Pseudomonas aeruginosa.
it can form an endospore
19
If the thymus is removed from a 2-year-old child, you might expect which of the following to occur?
Increased incidence of bacterial infection and increased success of an organ transplant
20
Staphylococcus can be differentiated from streptococcus by the
catalase test