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Lisa had a risky sexual encounter (sexual intercourse without a condom)while intoxicated.Even though she has no symptoms,she is worried that she may have contracted an STI.What can Lisa do to reduce her risk of serious complications from STIs? What types of tests and treatments might be helpful for her?

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Lisa should seek medical attention as so...

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Which of the following statements about the antibody-mediated immune response is correct?


A) Antibodies work against bacteria and viruses that reproduce inside body cells.
B) T cells carry it out without antigen detection.
C) Antibodies activate helper T cells and produce killer T cells.
D) Antibodies dissolved in body fluids bind to antigens and trigger responses to them.

E) None of the above
F) B) and D)

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Discuss the concept of emerging infectious diseases.Identify at least three specific emerging infections and three factors contributing to disease emergence worldwide.

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Emerging infectious diseases are disease...

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Drug-resistant strains of HIV are developing rapidly.

A) True
B) False

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Treatments for genital HPV infection (warts) include all of the following EXCEPT


A) cryosurgery.
B) electrocautery.
C) antibiotics.
D) laser surgery.

E) A) and B)
F) C) and D)

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The hepatitis B virus can be transmitted via all of the following EXCEPT


A) toilet seats.
B) toothbrushes.
C) eating utensils.
D) razor blades.

E) A) and D)
F) A) and C)

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HIV lives only within cells and body fluids,not outside the body.

A) True
B) False

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Which of the following statements about the transmission of HIV is FALSE?


A) During vaginal intercourse,female-to-male transmission is more likely than male-to-female transmission.
B) The presence of blisters or sores in the genital area increases the risk of HIV transmission.
C) HIV can be transmitted from needles used to inject drugs in more than one user.
D) The risk of transfusion-related HIV transmission has decreased dramatically because of testing of the blood supply.

E) All of the above
F) A) and D)

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Antibodies have complementary surface markers that work with ______ like a lock and key.


A) histamines
B) antigens
C) T cells
D) cytokines

E) A) and D)
F) B) and C)

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A vaccine is available for a common cause of pneumonia.

A) True
B) False

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Briefly describe the different types of tests that are available to screen for HIV infection,and the tests for determining the status of an infection in HIV-positive people.Who should be tested for HIV infection?

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Answered by ExamLex AI

There are several types of tests availab...

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Which of the following statements about the use of the HPV vaccine is TRUE?


A) It causes serious side effects.
B) The CDC recommends the vaccine for girls between the ages of 11 and 12.
C) It does not prevent most of the strains of HPV that cause cervical cancer.
D) It is expensive.

E) A) and C)
F) B) and C)

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The most common cause of abnormal vaginal discharge in women of reproductive age is


A) trichomoniasis.
B) bacterial vaginosis.
C) gonorrhea.
D) chlamydia.

E) A) and B)
F) A) and C)

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Meningitis is an infection of the


A) membranes covering the brain and spinal cord.
B) bone marrow and lymphatic tissue.
C) alveoli in the lungs.
D) lining of the gastrointestinal tract.

E) A) and B)
F) A) and C)

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Whooping cough is a respiratory illness cause by the bacterium


A) Escherichia coli.
B) staphylococcus.
C) Bordetella pertussis.
D) streptococcus.

E) A) and C)
F) B) and C)

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Chemicals responsible for the dilation and increased permeability of blood vessels in the inflammatory response are called


A) histamines.
B) antigens.
C) antibodies.
D) lymphocytes.

E) B) and D)
F) B) and C)

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West Nile virus and hantavirus infections primarily involve transmission by vectors rather than person-to-person spread.

A) True
B) False

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Infants with chlamydia infection


A) acquire the infection through contact with the bacterium in the birth canal during delivery.
B) are born with congenital deformities.
C) acquire the infection during the second trimester of pregnancy.
D) are at risk for brain damage.

E) A) and B)
F) B) and C)

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Which of the following statements about tuberculosis is NOT true?


A) It usually affects the digestive tract.
B) It responds to a long course of antibiotic treatment.
C) Most people infected with tuberculosis have latent infections.
D) It is typically transmitted via the respiratory route.

E) B) and C)
F) None of the above

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All diagnosed cases of AIDS must be reported to public health authorities.

A) True
B) False

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