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Practice exam 4 lec
| Question | Answer |
|---|---|
| Which of the following is most useful in determining the presence of AIDS antibodies? | indirect ELISA |
| Antigen-antibody binding may result in which of the following: | complement activation |
| Worldwide, the primary method of transmission of HIV is | heterosexual intercourse |
| The best definition of an antibody is | a protein made in response to an antigen that can combine with that antigen |
| Mebendazole is used to treat cestode infestations. It interferes with microtubule formation; therefore, it would not affect | bacteria |
| Immunity resulting from recovery from mumps: | Naturally acquired active immunity |
| Purified protein from B. pertussis is a(n) | subunit vaccine |
| All of the following statement(s) about type I hypersensitivities are true: | All of the above statements are true |
| Transfusion reactions are an example of a | type II hypersensitivity |
| Uses red blood cells as the indicator | complement fixation |
| Dead Bordetella pertussis can be used in a(n) | Inactivated whole-agent vaccine |
| A vaccine against HIV proteins made by vaccinia virus is a(n) | subunit vaccine |
| Drug resistance occurs | When antibiotics are used indiscriminately |
| Which of the following drugs is NOT used primarily to treat tuberculosis? | sulfonamide |
| The presence of which of the following indicates a current infection rather than a previous infection or vaccination? | IgM |
| Immunity due to injection of tetanus toxoids | Artificially acquired active immunity |
| A test to identify antibodies against Treponema pallidum in a patient is the | Indirect fluorescent antibody test |
| Type of immunity resulting from transfer of antibodies from one individual to a susceptible individual by means of injection | Artificially acquired passive immunity |
| Hay fever is an example of a | Type I hypersensitivity |
| Which type of transplant is least compatible? | Xenotransplant |
| Which of the following is (are) considered a type I hypersensitivity? | All of the above |
| Plasma cells are activated by a(n) | Antigen |
| Tissues for transplantation are typed for | ABO and Class I and Class II HLA and antigens |
| Most of the available antimicrobial agents are effective against | Bacteria |
| Which of the following antibiotics is recommended for use against gram-negative bacteria? | polymyxin |
| Antibodies against HIV are ineffective for the following reason(s): | All of the above |
| Live polio virus can be used in a(n) | Attenuated whole-agent vaccine |
| Autoimmunity is due to | IgG and IgM antibodies |
| Which one of the following statements about HIV is NOT true? | HIV infection directly causes death |
| The antimicrobial drugs with the broadest spectrum of activity | tetracyclines |
| Antibodies for serological testing can be obtained from all of the following except: | viral cultures |
| Which of the following is not normally used in a vaccine? | antibodies |
| Which of the following antibiotics are used to treat fungal infections? | Griseofulvin |
| The symptoms of an immune complex reaction are due to | complement fixation |
| Which of the following may result from systemic anaphylaxis? | shock |
| The antibodies found in mucus, saliva, and tears are | IgA |
| A hypersensitivity reaction occurs | On a second or subsequent exposure to an antigen |
| Type of immunity resulting from vaccination | Artificially acquired active immunity |
| A person with Graves' disease makes antibodies against thyroid hormone receptors on cells. This is an example of | Type II autoimmunity |
| Transplant rejection is an example of | Type IV hypersensitivity |
| Which of the following may be inherited or result from HIV infection? | Immunosuppression |
| What type of vaccine is live measles virus? | Attenuated whole-agent vaccine |
| Which of the following is an effect of complement activation? | all of the above |
| Reaction of antigen with IgE antibodies attached to mast cells causes | release of chemical mediators |
| Antigens coated with antibodies are susceptible to: | Phagocytosis |
| Hepatitis B virus surface antigen can be used in a(n) | Subunit vaccine |
| Allergic contact dermatitis is due to | Sensitized T cells |
| Which of the following statements about drug resistance is (are) true: | All of the above is true |
| The most abundant class of antibodies in serum is | IgG |
| Which of the following antimicrobial agents is recommended for use against fungal infections | Amphotericin B |
| Inactivated tetanus toxin is a(n) | Toxoid Vaccine |
| To detect botulinum toxin in food, suspect food is injected into two guinea pigs. The guinea pig that was vaccinated against botulism survives, while the one that was not vaccinated dies. This is an example of | Neutralization |
| The best definition of an antigen is | A chemical that elicits an antibody response and can combine with these antibodies. |
| Which of the following is a characteristic of B cells: | All of the above |
| What type of vaccine is Streptococcus pyogenes capsule? | subunit vaccine |
| Immunity that is not due to antibodies | innate resistance |
| Hemolytic disease of the newborn can result from | an Rh- mother with an Rh+ fetus |
| In the presence of penicillin a cell dies because | It undergoes osmotic lysis |
| Which of the following are true about natural killer cells: | All of the above |
| Newborn's immunity due to the transfer of antibodies across the placenta: | Naturally acquired passive immunity |
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