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 21st-century event marked a major turning point in the global fight against HIV/AIDS?

  1. Introduction of antiretroviral therapy (ART)

  2. Millennium Development Goals

  3. Global Fund to Fight AIDS, Tuberculosis and Malaria

  4. PEPFAR (President's Emergency Plan for AIDS Relief)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The introduction of antiretroviral therapy (ART) in the late 1990s marked a major turning point in the global fight against HIV/AIDS, significantly reducing mortality and improving the quality of life for people living with HIV.

Multiple choice

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

  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 sexually transmitted infection (STI) among adolescents.

Multiple choice

What is the most common oral manifestation of HIV infection?

  1. Candidiasis

  2. Kaposi's Sarcoma

  3. Hairy Leukoplakia

  4. Necrotizing Ulcerative Gingivitis
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Candidiasis is a fungal infection caused by Candida species, which is commonly seen in HIV-infected individuals due to impaired immune function.

Multiple choice

Which systemic disease is associated with the development of oral hairy leukoplakia?

  1. HIV Infection

  2. Epstein-Barr Virus

  3. Human Papillomavirus

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

Oral hairy leukoplakia is a distinctive white lesion that occurs on the lateral borders of the tongue in HIV-infected individuals.

Multiple choice

What is the name of the virus that causes AIDS?

  1. HIV

  2. HPV

  3. Hepatitis B

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

HIV is the virus that causes AIDS (acquired immunodeficiency syndrome).

Multiple choice

Which of the following drugs is used to treat HIV/AIDS and can cause ototoxicity?

  1. Zidovudine

  2. Lamivudine

  3. Efavirenz

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

Nevirapine is an antiretroviral drug used to treat HIV/AIDS that can cause ototoxicity, particularly at high doses or with prolonged use. It can damage the hair cells in the inner ear, leading to hearing loss and balance problems.

Multiple choice

What is the name of the process by which microorganisms cause disease?

  1. Pathogenicity

  2. Virulence

  3. Infection

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

Pathogenicity, virulence, and infection are all terms used to describe the process by which microorganisms cause disease.

Multiple choice

What is the most common sexually transmitted infection (STI) worldwide?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

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

Chlamydia is the most common STI worldwide, with an estimated 131 million new cases each year.

Multiple choice

Which of the following is a risk factor for tuberculosis?

  1. HIV infection

  2. Weak immune system

  3. Close contact with an infected person

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

HIV infection, weak immune system, and close contact with an infected person are all risk factors for tuberculosis.

Multiple choice

Which of the following diseases is caused by a virus that is transmitted through contact with blood?

  1. HIV/AIDS

  2. Hepatitis B

  3. Hepatitis C

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

HIV/AIDS, hepatitis B, and hepatitis C are all caused by viruses that are transmitted through contact with blood.

Multiple choice

Which of the following is an example of a virus?

  1. HIV

  2. Influenza virus

  3. Hepatitis B virus

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

HIV is an example of a virus, a type of acellular microorganism.

Multiple choice

What is the primary mode of transmission for HIV?

  1. Direct contact with an infected person's blood or bodily fluids

  2. Inhalation of contaminated droplets

  3. Ingestion of contaminated food or water

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

HIV is primarily transmitted through direct contact with an infected person's blood or bodily fluids, such as during unprotected sex, sharing needles, or receiving blood transfusions.

Multiple choice

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

  1. Influenza

  2. Measles

  3. HIV

  4. Common cold
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

HIV is a sexually transmitted infection (STI), meaning it is spread through sexual contact with an infected person.

Multiple choice

What is the most common cause of death among people living with HIV/AIDS?

  1. Tuberculosis

  2. Pneumonia

  3. Diarrhea

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

Tuberculosis is the most common cause of death among people living with HIV/AIDS, accounting for an estimated 30% of all deaths.

Multiple choice

What is the most common type of musculoskeletal pain in people with HIV/AIDS?

  1. Back pain

  2. Joint pain

  3. Muscle pain

  4. Neck pain
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Muscle pain is the most common type of musculoskeletal pain in people with HIV/AIDS, often caused by the virus itself or its treatments.