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Practice Quiz
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1Worldwide, what is the estimated total number of HIV infections through 2014?
A)890 thousand
B)50 million
C)66 million
D)81 million



2The estimated percent of new HIV infections now occurring in industrialized countries is:
A)5%
B)25%
C)50%
D)80%



3The estimated total number of deaths expected worldwide due to AIDS through the end of 2014:
A)8 million
B)30 million
C)73 million
D)94 million



4What term is used to identify those people who do not believe HIV causes AIDS?
A)Unorthodox
B)Dissidents
C)Conformists
D)Repressives



5Peter Duesberg believes that there is no single causative agent of AIDS. He believes, instead, that it is due to:
A)The drug, AZT
B)Mild hypochondria caused by medical staff
C)One’s lifestyle
D)A and C
E)All of the above



6When South Africa’s Health Minister (Manto Tshabalala-Msimang) suggested garlic and lemon to protect people from AIDS, she…
A)Was giving misleading information.
B)Was making a sarcastic political point.
C)Was obeying President Thabo Mbeki’s directions.
D)Was correct.



7How many nucleotides form the genetic code of HIV?
A)13,468
B)9,749
C)1,470
D)40,211



8Which virus is incorrectly paired with the cell type it mainly attacks?
A)Hepatitis – liver cells
B)HIV – Human immune system cells
C)Flu – Human respiratory tract cells
D)Polio – Lymphatic System cells



9Viruses can reproduce successfully in:
A)Bacteria
B)Protozoa
C)Plants
D)Higher animals
E)All of the above



10The first R5 co-receptor HIV inhibitor is:
A)Sustiva
B)Intelence
C)Isentress
D)Selzentry



11Using viral load as a surrogate marker for evaluating antiretroviral therapy is imperfect. Why?
A)T4 cell counts vary greatly from day to day.
B)Standardizing methods of counting T4 cells is difficult.
C)Viral load does not always predict immunological and clinical benefit.
D)All of the above
E)None of the above



12Currently, about ___________ % of HIV infected people will progress to AIDS if not treated:
A)25
B)50
C)75
D)95



13These membrane molecules allow immune cells to identify a substance or agent as “self.”
A)Ligands
B)Class I Proteins
C)Antigens
D)T4 or CD4+ lymphocytes



14Lymphocytes have been divided into 2 classes based on…
A)Whether or not they are derived from bone marrow.
B)Whether or not blood circulates them.
C)Where the cells mature.
D)Who discovered them.



15Any substance or agent that triggers the creation of antibodies is considered:
A)Foreign
B)Non-self
C)Tolerant
D)Both a & b
E)All of the above



16Which of the following is not one of the six most common AIDS-related OI’s?
A)Cytomegalovirus
B)Pneumocystis pneumonia
C)Herpes simplex reinfection
D)Candidal esophagitis



17In untreated HIV positive adolescents/adults, the first OI’s to surface are:
A)Skin infections
B)Herpes simplex infection
C)Oral hairy leukoplakia
D)Thrush of mouth and tongue



18HAART patients have successful immune responses to:
A)Pathogens they encounter regularly.
B)Pathogens for which they were not vaccinated.
C)All pathogens.
D)All pathogens which are not deadly.



19In the United States, of those infected, about _____% do not yet know they are HIV positive.
A)5-10
B)16-19
C)20-23
D)27-30



20About how much money has the U.S. federal government spent on HIV/AIDS in the past 26 years?
A)$400 billion
B)$102 billion
C)$96 billion
D)$4.5 billion



21By the end of 2014, about _____ people worldwide are expected to have been infected with HIV.
A)105 million
B)66 million
C)1.2 billion
D)30 million



22While a relatively inefficient mode of transmission, _____________ accounts for 90% of HIV infections worldwide.
A)Sexual transmission.
B)Intravenous transmission.
C)Airborne exposure
D)Transfusion of blood.



23Which of the following is an effective mode of HIV transmission?
A)Sharing eating utensils or toothbrushes.
B)Parasitic insects.
C)Tears.
D)Toilet seats.
E)None of the above



24Which of the following is not one of the three patterns of HIV epidemics?
A)Hemophilia/coagulation disorders
B)Male-to-male sexual transmission
C)Heterosexual transmission
D)Needle sharing among people who inject narcotics



25The current practice in the United States is to designate federal government prevention resources to states based on the proportion of:
A)Reported AIDS cases.
B)Reported HIV cases.
C)Total population.
D)Land mass.



26The annual cost of treating the average patient in America with HIV is about:
A)$14,000.
B)$20,000.
C)$24,000.
D)$32,000.



27Choose the false statement.
A)HIV prevention has to be perfect to be effective.
B)Since the implementation of prevention education in the U.S., the rate of new HIV infections has dropped.
C)The rate of new HIV infections now remains stable at about 56,000 new infections per year.
D)There is no HIV/AIDS vaccine in the immediate future.



28The scientific community, activists, health officials and government leaders working on HIV/AIDS meet every _____ for an International AIDS Conference.
A)6 months
B)2 years
C)1 year
D)5 years



29Worldwide, new HIV infections ____except in Africa where they _______.
A)peaked in 2010; will peak 2015
B)peaked in 1995; will peak 2025
C)peaked in 1985; will peak 2012
D)peaked in 1995; peaked in 2005



30Prevalence refers to
A)The number of times an event occurs in a given time
B)The percentage of the population that is affected at a given time
C)The total population divided by the number of AIDS cases
D)None of the above



31Which reason was not mentioned as to why women are more vulnerable to HIV infection than men?
A)HIV in semen is in higher concentration than in vaginal secretions.
B)The vaginal area has a much larger mucosal area for exposure than the penis.
C)HIV in semen is in higher concentration than in cervical secretions.
D)The vaginal area has a lower affinity for HIV than the penis.



32Transmission of HIV from male to female is _____ more efficient than from female to male.
A)about 7 times
B)about 5 times
C)about 3 times
D)no



33By 2004, over _______% of HIV transmission worldwide was associated with heterosexual intercourse.
A)10
B)25
C)50
D)90



34What date is Global Youth AIDS Day, a movement by youth to bring an end to AIDS?
A)August 16
B)December 4
C)June 3
D)February 26



35Every hour _____ young adults become HIV infected in the U.S., translating to over _____ new HIV cases each year.
A)4; 10%
B)2; 15%
C)3; 40%
D)3; 20%



36Most young adults who become HIV infected do so by the end of their 24th year and usually die of AIDS by their _____ birthday.
A)25th
B)80th
C)35th
D)45th



37National HIV Testing Day falls on what date?
A)June 27
B)February 14
C)September 3
D)November 30



38In the U.S., about _____% of adults, ages 18 to 64, have never been tested for HIV:
A)12
B)34
C)95
D)46



39This immunological test involves antibodies forming a complex with a given antigen, adding enzyme and a reagent to cause a color change indicating the presence of HIV antibodies:
A)ELISA
B)Western Blot
C)PCR
D)STARHS



40Stigma and discrimination serve to propagate this disease because
A)Individuals do not feel confident to disclose their positive status.
B)Individuals do not feel free to disclose their positive status.
C)The disease remains silent and spreads relentlessly.
D)All of the above



41Currently, 1 in every _____ people on Earth is infected with HIV.
A)10
B)50
C)200
D)110



42In 1998, Jonathan Mann, former head of the WHO’s Global Program on AIDS, said that there are 3 HIV/AIDS epidemics. Which of the following was not one of those three?
A)The epidemic of stigma and persecution
B)The epidemic of silent infection by HIV.
C)The epidemic of AIDS, the disease itself.
D)The epidemic of the social, cultural, economical, and political reaction to HIV/AIDS.







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