Biology ยท General Awareness

Viral Diseases and Immunity

776 Questions

Viral diseases and immunity cover the structure, transmission, and diagnosis of viruses like HIV. Questions focus on disease pathways, immune responses, and prevention. Strong knowledge here provides an edge in biology scoring.

HIV and AIDS structureVirus transmission methodsImmune system deficiencyPathogen risk groupsMedical diagnosis methods

Viral Diseases and Immunity Questions

Multiple choice

Which population group in the United States is disproportionately affected by HIV/AIDS?

  1. African Americans

  2. Hispanic/Latinx Americans

  3. American Indians/Alaska Natives

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

African Americans, Hispanic/Latinx Americans, and American Indians/Alaska Natives are all disproportionately affected by HIV/AIDS in the United States, with higher rates of infection and poorer health outcomes compared to the general population.

Multiple choice

Which prevention strategy has been shown to be effective in reducing the transmission of HIV?

  1. Pre-exposure prophylaxis (PrEP)

  2. Post-exposure prophylaxis (PEP)

  3. Antiretroviral therapy (ART)

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PrEP, PEP, and ART have all been shown to be effective in reducing the transmission of HIV. PrEP is a medication that can be taken by HIV-negative individuals to prevent infection, PEP is a medication that can be taken after potential exposure to HIV to prevent infection, and ART is a medication that can be taken by HIV-positive individuals to suppress the virus and prevent transmission to others.

Multiple choice

Which sexually transmitted infection (STI) can cause infertility if left untreated?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

  4. HIV
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chlamydia is a common STI that can cause infertility if left untreated.

Multiple choice

Which human papillomavirus (HPV) strain is most commonly associated with cervical cancer?

  1. HPV-6

  2. HPV-11

  3. HPV-16

  4. HPV-18
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

HPV-16 is the strain most frequently linked to cervical cancer.

Multiple choice

Which of the following is NOT considered a bloodborne pathogen?

  1. Hepatitis B virus (HBV)

  2. Human immunodeficiency virus (HIV)

  3. Influenza virus

  4. Hepatitis C virus (HCV)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Influenza virus is not a bloodborne pathogen, as it is primarily transmitted through respiratory droplets.

Multiple choice

Which of the following is NOT a common route of transmission for sexually transmitted infections (STIs)?

  1. Sexual contact

  2. Sharing needles or syringes

  3. Blood transfusions

  4. Contact with contaminated surfaces
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

STIs are primarily transmitted through sexual contact or sharing needles or syringes, not through contact with contaminated surfaces.

Multiple choice

Who is at highest risk for developing tuberculosis?

  1. People with HIV/AIDS

  2. People who are homeless

  3. People who use drugs

  4. People who are incarcerated

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

People with HIV/AIDS, people who are homeless, people who use drugs, and people who are incarcerated are all at highest risk for developing tuberculosis.

Multiple choice

What is the name of the virus that causes COVID-19?

  1. SARS-CoV-2

  2. MERS-CoV

  3. Influenza A virus

  4. HIV
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

SARS-CoV-2 is the name of the virus that causes COVID-19. It is a novel coronavirus, meaning it is a new strain of coronavirus that has not been previously identified in humans.

Multiple choice

What is the name of the variant of COVID-19 that was first identified in India in 2021?

  1. Alpha

  2. Beta

  3. Gamma

  4. Delta
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The variant of COVID-19 that was first identified in India in 2021 is called Delta.

Multiple choice

What is the name of the variant of COVID-19 that was first identified in South Africa in 2021?

  1. Alpha

  2. Beta

  3. Gamma

  4. Delta
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The variant of COVID-19 that was first identified in South Africa in 2021 is called Beta.

Multiple choice

What is the scientific name for the common cold?

  1. Rhinovirus

  2. Coronavirus

  3. Influenza virus

  4. Adenovirus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The scientific name for the common cold is Rhinovirus, which is a type of virus that causes respiratory infections.

Multiple choice

What is the mechanism of action of antiviral medications?

  1. They inhibit the replication of viruses.

  2. They kill viruses.

  3. They prevent viruses from entering cells.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antiviral medications inhibit the replication of viruses, kill viruses, and prevent viruses from entering cells.

Multiple choice

Which of the following is NOT a sexually transmitted infection (STI)?

  1. HIV

  2. Syphilis

  3. Gonorrhea

  4. Chlamydia
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

All of the options are sexually transmitted infections (STIs).

Multiple choice

Which of the following is an example of a sexually transmitted infection?

  1. HIV/AIDS

  2. Hepatitis B

  3. Syphilis

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sexually transmitted infections (STIs) are infections that are spread through sexual contact. HIV/AIDS, hepatitis B, and syphilis are all examples of STIs.

Multiple choice

What is the most common sexually transmitted infection (STI) among student travelers?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

  4. HIV
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chlamydia is the most common STI among student travelers.