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 of the following is NOT a common type of viral infection:

  1. common cold

  2. herpes simplex virus

  3. human immunodeficiency virus (HIV)

  4. malaria

  5. measles
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Malaria is a parasitic infection, not a viral infection.

Multiple choice

What is the name of the virus that causes AIDS?

  1. HIV-1

  2. HIV-2

  3. SIV

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

AIDS is caused by the human immunodeficiency virus (HIV), which has two main types: HIV-1 and HIV-2. SIV is a related virus that infects monkeys.

Multiple choice

Which laboratory test is used to diagnose and monitor HIV infection?

  1. Lipid Profile

  2. Urinalysis

  3. HIV Antibody Test

  4. Liver Function Test (LFT)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An HIV Antibody Test detects the presence of antibodies against HIV in the blood. It is used to diagnose and monitor HIV infection, the virus that causes AIDS.

Multiple choice

Which of the following is NOT a type of virus?

  1. DNA virus

  2. RNA virus

  3. Prion

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

Prions are not viruses, but rather infectious proteins.

Multiple choice

Which of the following is NOT a type of viral infection?

  1. Common cold

  2. Influenza

  3. HIV/AIDS

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

Malaria is a parasitic infection, not a viral infection.

Multiple choice

What is the role of the glycoprotein in a virus?

  1. Attachment

  2. Replication

  3. Assembly

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

The glycoprotein is a protein that helps the virus attach to host cells.

Multiple choice

Which of the following is NOT a type of antiviral agent?

  1. Nucleoside analogs

  2. Non-nucleoside reverse transcriptase inhibitors

  3. Protease inhibitors

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

Interferons are not antiviral agents, but rather proteins produced by the body's immune system to fight viral infections.

Multiple choice

What is the mechanism of action of antiviral agents?

  1. Inhibiting viral attachment

  2. Inhibiting viral replication

  3. Inhibiting viral assembly

  4. Inhibiting viral release
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Many antiviral agents work by inhibiting viral replication.

Multiple choice

Which of the following is NOT a major global health challenge?

  1. HIV/AIDS

  2. Malaria

  3. Tuberculosis

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

Obesity is not a major global health challenge.

Multiple choice

What is the term for the period of time from when an infectious agent enters the body until the onset of symptoms?

  1. Incubation period

  2. Latent period

  3. Prodrome

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

The incubation period is the period of time from when an infectious agent enters the body until the onset of symptoms.

Multiple choice

What is the term for the period of time during which an infected person is capable of transmitting the infection to others?

  1. Convalescence

  2. Prodrome

  3. Incubation period

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

The infectious period is the period of time during which an infected person is capable of transmitting the infection to others.

Multiple choice

Which disease receives the largest share of global health financing?

  1. HIV/AIDS

  2. Tuberculosis

  3. Malaria

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

HIV/AIDS receives the largest share of global health financing due to its significant impact on public health.

Multiple choice

What is the estimated prevalence of HIV among incarcerated individuals in the United States?

  1. 1%

  2. 5%

  3. 10%

  4. 20%
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The estimated prevalence of HIV among incarcerated individuals in the United States is approximately 10%, which is significantly higher than the prevalence in the general population.

Multiple choice

Which sexually transmitted infection (STI) is the most common among incarcerated individuals?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

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

Chlamydia is the most common STI among incarcerated individuals, followed by gonorrhea, syphilis, and hepatitis C.

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 that can cause neurodegenerative diseases such as Creutzfeldt-Jakob disease and mad cow disease.