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
Which of the following is a risk factor for developing an immunodeficiency disorder?
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Family history of immunodeficiency disorders
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HIV infection
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Diabetes
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All of the above
D
Correct answer
Explanation
Risk factors for developing an immunodeficiency disorder include family history of immunodeficiency disorders, HIV infection, diabetes, and certain medications.
Which of the following is NOT a common symptom of measles?
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Fever
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Rash
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Cough
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Diarrhea
D
Correct answer
Explanation
Diarrhea is not a common symptom of measles, which typically presents with fever, rash, and cough.
What is the most common sexually transmitted infection (STI)?
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Chlamydia
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Gonorrhea
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Syphilis
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HIV
A
Correct answer
Explanation
Chlamydia is the most common sexually transmitted infection (STI) worldwide.
Which type of cancer is associated with the human papillomavirus (HPV)?
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Cervical Cancer
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Head and Neck Cancer
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Anal Cancer
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Vulvar Cancer
A
Correct answer
Explanation
Cervical cancer is the most common type of cancer associated with HPV infection.
What is the primary mode of transmission for HIV?
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Contact with infected blood or bodily fluids
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Sexual contact with an infected person
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Sharing needles or other drug paraphernalia
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All of the above
D
Correct answer
Explanation
HIV can be transmitted through contact with infected blood or bodily fluids, sexual contact with an infected person, and sharing needles or other drug paraphernalia.
Which reproductive health research area focuses on understanding the causes and prevention of sexually transmitted infections (STIs)?
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STI Epidemiology
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Reproductive Endocrinology
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Maternal and Child Health
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Contraceptive Technology
A
Correct answer
Explanation
STI Epidemiology is a reproductive health research area focused on understanding the causes and prevention of sexually transmitted infections (STIs).
What are the different types of viruses?
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DNA viruses
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RNA viruses
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Retroviruses
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All of the above
D
Correct answer
Explanation
There are three main types of viruses: DNA viruses, RNA viruses, and retroviruses. DNA viruses have a DNA genome, RNA viruses have an RNA genome, and retroviruses have an RNA genome that is reverse transcribed into DNA.
What are some examples of viruses?
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HIV
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Influenza virus
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Herpes simplex virus
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All of the above
D
Correct answer
Explanation
HIV, influenza virus, and herpes simplex virus are all examples of viruses. HIV is a retrovirus that causes AIDS, influenza virus is an RNA virus that causes the flu, and herpes simplex virus is a DNA virus that causes cold sores and genital herpes.
How can viruses be treated?
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Antiviral drugs
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Supportive care
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Both of the above
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None of the above
C
Correct answer
Explanation
Viruses can be treated with antiviral drugs, which can inhibit the replication of the virus, and supportive care, which can help to relieve symptoms and prevent complications.
What is the most common type of viral infection?
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The common cold
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Influenza
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Herpes simplex virus
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HIV
A
Correct answer
Explanation
The common cold is the most common type of viral infection. It is caused by a variety of different viruses, including rhinoviruses, coronaviruses, and adenoviruses.
What is the most deadly viral infection?
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HIV
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Ebola virus
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Rabies virus
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Smallpox virus
A
Correct answer
Explanation
HIV is the most deadly viral infection. It has killed more than 36 million people worldwide since the beginning of the AIDS pandemic in the 1980s.
What is the most promising new treatment for viral infections?
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Antiviral drugs
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Gene therapy
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Immunotherapy
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All of the above
D
Correct answer
Explanation
There are a number of promising new treatments for viral infections, including antiviral drugs, gene therapy, and immunotherapy.
What is the primary mode of transmission for HIV?
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Sexual contact
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Blood-to-blood contact
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Perinatal transmission
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All of the above
D
Correct answer
Explanation
HIV can be transmitted through sexual contact, blood-to-blood contact, and perinatal transmission (from mother to child during pregnancy, labor, or breastfeeding).
What is the primary mode of transmission for hepatitis A?
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Fecal-oral transmission
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Blood-to-blood contact
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Sexual contact
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Vector-borne transmission
A
Correct answer
Explanation
Hepatitis A is primarily transmitted through fecal-oral transmission, which can occur through contaminated food, water, or objects.
Which of the following is a common cause of tuberculosis in people with HIV/AIDS?
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Mycobacterium tuberculosis
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Mycobacterium avium complex
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Mycobacterium kansasii
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All of the above
D
Correct answer
Explanation
Mycobacterium tuberculosis, Mycobacterium avium complex, and Mycobacterium kansasii are all common causes of tuberculosis in people with HIV/AIDS.