Biology ยท General Awareness

Viral Diseases and Immunity

807 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 infectious disease is caused by a virus that can be transmitted through sexual contact or sharing needles?

  1. HIV/AIDS

  2. Hepatitis B

  3. Syphilis

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

HIV/AIDS is caused by the human immunodeficiency virus (HIV), which can be transmitted through sexual contact, sharing needles, or from mother to child during pregnancy, childbirth, or breastfeeding.

Multiple choice

Which of the following is NOT a type of virus?

  1. DNA virus

  2. RNA virus

  3. Retrovirus

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

Prions are not viruses, but rather infectious proteins.

Multiple choice

What is the primary mechanism by which viruses enter host cells?

  1. Endocytosis

  2. Phagocytosis

  3. Pinocytosis

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

Viruses typically enter host cells through direct penetration of the cell membrane, using specialized proteins or glycoproteins on their surface.

Multiple choice

Which type of immune response is primarily responsible for recognizing and eliminating virus-infected cells?

  1. Humoral immune response

  2. Cell-mediated immune response

  3. Innate immune response

  4. Adaptive immune response
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The cell-mediated immune response, particularly cytotoxic T cells, plays a crucial role in recognizing and eliminating virus-infected cells by directly targeting and destroying them.

Multiple choice

In the movie "28 Days Later" (2002), what is the name of the virus that turns people into aggressive and infected individuals?

  1. The Rage Virus

  2. The T-virus

  3. The Green Flu

  4. The Cordyceps Brain Infection
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Rage Virus is the virus responsible for turning people into aggressive and infected individuals in the movie "28 Days Later".

Multiple choice

What is the full name of the virus that causes AIDS?

  1. Human Immunodeficiency Virus

  2. Acquired Immunodeficiency Syndrome

  3. Human Immunodeficiency Syndrome Virus

  4. Acquired Immunodeficiency Virus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The full name of the virus that causes AIDS is Human Immunodeficiency Virus (HIV).

Multiple choice

How is HIV transmitted?

  1. Through contact with infected blood or bodily fluids

  2. Through casual contact such as shaking hands or hugging

  3. Through sharing food or drinks with an infected person

  4. Through insect bites
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

HIV is transmitted through contact with infected blood or bodily fluids, such as semen, vaginal fluid, rectal fluid, and breast milk.

Multiple choice

What is the difference between HIV and AIDS?

  1. HIV is a virus, while AIDS is a condition caused by HIV infection

  2. HIV is a sexually transmitted infection, while AIDS is not

  3. HIV can be cured, while AIDS cannot

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

HIV is a virus that attacks the immune system, while AIDS is a condition caused by HIV infection that can lead to life-threatening illnesses.

Multiple choice

What is the name of the first combination therapy for HIV?

  1. HAART

  2. CART

  3. ART

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

The name of the first combination therapy for HIV is Highly Active Antiretroviral Therapy (HAART).

Multiple choice

What is the goal of HAART?

  1. To cure HIV infection

  2. To prevent HIV transmission

  3. To suppress the virus and prevent the development of AIDS

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

The goal of HAART is to suppress the virus and prevent the development of AIDS.

Multiple choice

What is the current status of the HIV/AIDS pandemic?

  1. HIV/AIDS has been eradicated

  2. HIV/AIDS is a global health crisis

  3. HIV/AIDS is no longer a major public health concern

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

HIV/AIDS is a global health crisis that continues to affect millions of people worldwide.

Multiple choice

What are some of the successes in the fight against HIV/AIDS?

  1. The development of effective treatments

  2. The prevention of mother-to-child transmission

  3. The reduction in new HIV infections

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

The fight against HIV/AIDS has seen a number of successes, including the development of effective treatments, the prevention of mother-to-child transmission, and the reduction in new HIV infections.

Multiple choice

Which reproductive health service is particularly important for LGBTQ+ individuals who are HIV-positive?

  1. Regular STI testing

  2. PrEP (pre-exposure prophylaxis)

  3. PEP (post-exposure prophylaxis)

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

Regular STI testing, PrEP, and PEP are all important reproductive health services for LGBTQ+ individuals who are HIV-positive, as they help to prevent the transmission of HIV and promote overall sexual health.

Multiple choice

Which disease is commonly treated using gene therapy?

  1. Cystic fibrosis

  2. Cancer

  3. HIV/AIDS

  4. Alzheimer's disease
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cystic fibrosis is one of the most common genetic disorders treated using gene therapy, aiming to correct the defective gene responsible for the disease.

Multiple choice

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

  1. HIV

  2. Chlamydia

  3. Gonorrhea

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

HIV, Chlamydia, and Gonorrhea are all sexually transmitted infections.