Brianna Murphy
Quiz por , criado more than 1 year ago

NATS1670 Test on Aids and HIV

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Brianna Murphy
Criado por Brianna Murphy quase 8 anos atrás
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HIV and AIDS

Questão 1 de 30

1

HIV and AIDS has a natural reservoir in monkeys. This virus most likely made the jump from monkeys to humans when:

Selecione uma das seguintes:

  • Humans engaged in sexual behaviour with monkeys.

  • Humans started hunting monkeys.

  • Scientists started on careless research with monkeys.

  • Zoos were created, increasing monkey-human contact.

Explicação

Questão 2 de 30

1

Dr. Gottlieb is:

Selecione uma das seguintes:

  • A doctor who noticed HIV starting to emerge.

  • The doctor responsible for the outbreak of HIV.

  • The first HIV patient in the US.

  • A field doctor in Congo.

Explicação

Questão 3 de 30

1

In 1981, with the emergence of HIV and AIDS, many young, homosexual males started coming down with Kaposi's sarcoma. Kaposi's sarcoma is:

Selecione uma das seguintes:

  • An extremely lethal brain cancer.

  • A potentially lethal cancer of blood vessels.

  • A completely benign skin cancer.

  • A benign cancer in the lungs and throat.

Explicação

Questão 4 de 30

1

In 1981, these two diseases were the most common indicators of people who had come down with HIV.

Selecione uma das seguintes:

  • Kaposi's sarcoma and PCP.

  • PCP and pneumonia.

  • Kaposi's sarcoma and small pox.

  • Kaposi's sarcoma and measles.

Explicação

Questão 5 de 30

1

Which of the following are ways HIV and AIDS can be transferred? Check ALL that apply.

Selecione uma ou mais das seguintes:

  • Sexual activity.

  • Insect bites.

  • Close proximity.

  • Intravenous drug use.

  • Blood transfusion.

  • Coagulation factor VIII for Hemophilia A.

  • Casual physical contact.

  • Mother to child.

Explicação

Questão 6 de 30

1

Gaëtan Dugas was written about in the book 'And The Band Played On: Politics, People and the AIDS Epidemic'. He was an important figure in AIDS research because:

Selecione uma das seguintes:

  • For a long time he was mistakenly considered to be the index patient for AIDS.

  • He was a prominent author who wrote about AIDS.

  • He created to the first name of HIV, 'GRIDS'.

  • He was a primary cause in the intravenous drug use transmission of HIV.

Explicação

Questão 7 de 30

1

In response to HIV, the immune system is attacked, and antibodies cannot be generated quickly. This is why from 3 weeks to 6 months an antibody test on an infected person might mistakenly turn up a:

Selecione uma das seguintes:

  • false positive.

  • false negative.

  • true positive.

  • true negative.

Explicação

Questão 8 de 30

1

The first symptoms of HIV within the first two weeks commonly appears to be:

Selecione uma das seguintes:

  • An acute, flu-like infection.

  • A fever that lasts several weeks.

  • Dilated pupils.

  • A slight rash.

Explicação

Questão 9 de 30

1

If you want the most accurate results for if you have HIV, you should get an antibody test.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 10 de 30

1

The most common way for HIV to be transferred between mother and child is:

Selecione uma das seguintes:

  • Transplacentally in the womb.

  • During the birth process.

  • Postnatal breast feeding.

  • Upon conception.

Explicação

Questão 11 de 30

1

Giving an HIV-positive mother a dose of HIV drugs before birth and a dose to the child up to 72 hours after birth can greatly reduce likelihood of permanent HIV infection in the child.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 12 de 30

1

Approximately what percent of all people living with AIDS live in Sub-Saharan Africa?

Selecione uma das seguintes:

  • 10%.

  • 70%.

  • 50%.

  • 90%.

Explicação

Questão 13 de 30

1

In HIV, the genome is contained in:

Selecione uma das seguintes:

  • Two identical strands of RNA.

  • One long coil of RNA.

  • DNA.

  • There is no genome.

Explicação

Questão 14 de 30

1

In order to make DNA out of their RNA, retroviruses like HIV use an enzyme called:

Selecione uma das seguintes:

  • Reverse transcriptase.

  • RNAstase.

  • Genome Inverstil.

Explicação

Questão 15 de 30

1

In viral cell attachment, there are multiple steps. First, must bind to two receptors to get into the host cell. Once in the cell, the virus' turns RNA into DNA. The enzyme enables integration of viral DNA into cellular DNA. After this, the enzyme cleaves polypeptides into functional . Lastly, the virus from the cell wall and leaves to infect other cells.

Arraste e solte para completar o texto.

    GP120
    reverse transcriptase
    integrase
    protease
    buds
    HIV-1 proteins
    mRNA
    immune system

Explicação

Questão 16 de 30

1

For HIV Chemotherapy, one of the treatments is HAART. HAART stands for:

Selecione uma das seguintes:

  • Highly Active Anti Retroviral Therapy.

  • HIV Analysis And Removal Therapy.

  • Heavily Aggressive Antigen Resource Treatment.

  • Heat Activated Aorta Resonance Treatment.

Explicação

Questão 17 de 30

1

Inhibitors of viral enzymes can be competitive or non-competitive. With competitive inhibitors, the inhibitor:

Selecione uma das seguintes:

  • Leaves substrate in the enzyme, preventing other substrate (the virus) from binding.

  • Prevent integrase from inserting viral DNA into cellular DNA.

  • Coats the outside of the cell, preventing the virus from budding out of the cell.

  • Fights the viral enzymes directly.

Explicação

Questão 18 de 30

1

The HAART treatment commonly helps patients survive:

Selecione uma das seguintes:

  • To their mid 30s.

  • To the life expectancy they would have without HIV.

  • 10 years longer than they would have without HAART.

  • Forever. HAART patients commonly become immortal.

Explicação

Questão 19 de 30

1

All cells will make viruses once they are infected with HIV.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 20 de 30

1

AZT is a competitive inhibitor for HIV. It stops reverse transcriptase from making viral DNA by:

Selecione uma das seguintes:

  • Integrating into the chain without a hydroxyl group, terminating the chain.

  • Taking apart the reverse transcriptase.

  • Preventing it from getting the necessary materials to make the DNA.

  • Cutting the RNA into segments.

Explicação

Questão 21 de 30

1

A similar competitive inhibitor to AZT, Lamivudine was initially used for HIV patients, but found to be more effective combating:

Selecione uma das seguintes:

  • Pertussis.

  • Hepatitis B.

  • Polio.

  • AIDS.

Explicação

Questão 22 de 30

1

This drug is used for best prevention of mother to child HIV transmission, as it is very safe:

Selecione uma das seguintes:

  • Nevirapine.

  • Lamivudine.

  • AZT.

  • Integrase.

Explicação

Questão 23 de 30

1

In America, these are the proportion of HIV infected individuals at each stage of care.
Of all patients with HIV,

80% -
62% -
41% -
36% -
28% -

Arraste e solte para completar o texto.

    Are diagnosed.
    Are linked to HIV care.
    Are retained in HIV care.
    Are on antiretroviral therapy.
    Have a suppressed viral load.

Explicação

Questão 24 de 30

1

HAART requires 5 years of continuous viral treatment with full adherence to eliminate HIV in the body.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 25 de 30

1

During HAART treatment, it's possible for patients to experience ARV (anti-retroviral) failure. This is most commonly caused by:

Selecione uma das seguintes:

  • Treatment interruption.

  • Piranhas.

  • Too much sexual contact (protected or not).

  • Death.

Explicação

Questão 26 de 30

1

To enter the Helper T cell, the HIV receptor must bind to two receptors:

Selecione uma das seguintes:

  • First, CD4, then CCR5.

  • First, CCR5, then CD4.

  • First, to the nucleus, then to the plasma membrane.

  • First to the CD4, then to the genome.

Explicação

Questão 27 de 30

1

Timmothy Brown is a famous patient in HIV treatment because:

Selecione uma das seguintes:

  • After a bone marrow transplant, he became HIV negative.

  • He was the index case for HIV.

  • His tears could heal other HIV patients.

  • He survived to over 100 without any treatment whatsoever.

Explicação

Questão 28 de 30

1

HIV most commonly attacks Helper T cells. This is is a problem because:

Selecione uma das seguintes:

  • Helper T cells are high on the immune system hierarchy, and T and B cells depend on them.

  • Helper T cells are very low on the immune system hierarchy, so it's not that much of a problem.

  • Helper T cells are at the top of the immune system hierarchy, and everything depends on them.

  • Helper T cells are coated with CCR5, an important receptor that will lead to death if suppressed.

Explicação

Questão 29 de 30

1

HIV can infect the brain if it's transported into it by this cell, which has clearance into the brain:

Selecione uma das seguintes:

  • Helper T Cells.

  • Macrophages.

  • Memory B Cells.

  • Plasma Cells.

Explicação

Questão 30 de 30

1

In HIV patients, the relationship between helper T cells and antibodies is commonly as follows:

Selecione uma das seguintes:

  • Antibody levels rise, and helper T cell levels rise.

  • Antibody levels rise, and helper T cell levels lower.

  • Antibody levels lower, and helper T cell levels lower.

  • Antibody levels lower, and helper T cell levels rise.

Explicação