#1
Which virus causes COVID-19?
SARS-CoV-2
ExplanationSARS-CoV-2 is the virus responsible for COVID-19.
#2
Which of the following is NOT a symptom of a viral infection?
Increased appetite
ExplanationIncreased appetite is not typically associated with viral infections.
#3
Which virus is responsible for causing chickenpox?
Varicella-zoster virus
ExplanationVaricella-zoster virus causes chickenpox.
#4
Which of the following is NOT a route of viral transmission?
Muscle contraction
ExplanationMuscle contraction is not a route of viral transmission.
#5
Which virus is responsible for causing Ebola virus disease?
Ebola virus
ExplanationEbola virus is responsible for causing Ebola virus disease.
#6
What is the name of the protein on the surface of a virus that facilitates its entry into host cells?
Receptor
ExplanationReceptor is the protein on the surface of a virus that facilitates its entry into host cells.
#7
Which virus is responsible for causing the common cold?
Rhinovirus
ExplanationRhinovirus is responsible for causing the common cold.
#8
Which of the following is NOT a method of preventing viral infections?
Antibiotic use
ExplanationAntibiotic use is not a method of preventing viral infections.
#9
Which virus is responsible for causing measles?
Rubeola virus
ExplanationRubeola virus is responsible for causing measles.
#10
Which of the following is a viral disease transmitted through the bite of infected mosquitoes?
Dengue fever
ExplanationDengue fever is a viral disease transmitted through the bite of infected mosquitoes.
#11
What type of immune response involves antibodies produced by B cells?
Humoral immunity
ExplanationHumoral immunity involves antibodies produced by B cells.
#12
Which cells are primarily targeted by the human immunodeficiency virus (HIV)?
T cells
ExplanationHIV primarily targets T cells in the immune system.
#13
What is the primary function of helper T cells in the immune response?
Activate other immune cells
ExplanationHelper T cells primarily activate other immune cells in the immune response.
#14
Which of the following viruses is associated with the development of cervical cancer?
Human papillomavirus
ExplanationHuman papillomavirus is associated with the development of cervical cancer.
#15
Which cells are responsible for presenting antigens to T cells in the immune response?
Dendritic cells
ExplanationDendritic cells are responsible for presenting antigens to T cells in the immune response.
#16
Which of the following viruses is associated with the development of liver cirrhosis and hepatocellular carcinoma?
Hepatitis B virus
ExplanationHepatitis B virus is associated with the development of liver cirrhosis and hepatocellular carcinoma.
#17
Which cells produce antibodies in response to viral infections?
B cells
ExplanationB cells produce antibodies in response to viral infections.
#18
Which virus is responsible for causing infectious mononucleosis (mono)?
Epstein-Barr virus
ExplanationEpstein-Barr virus is responsible for causing infectious mononucleosis (mono).
#19
Which cells are targeted by the varicella-zoster virus, leading to the development of shingles?
Nerve cells
ExplanationNerve cells are targeted by the varicella-zoster virus, leading to the development of shingles.
#20
Which virus is responsible for causing acquired immunodeficiency syndrome (AIDS)?
Human immunodeficiency virus
ExplanationHuman immunodeficiency virus is responsible for causing acquired immunodeficiency syndrome (AIDS).
#21
What is the name of the process where a virus enters a host cell and integrates its genetic material into the host's DNA?
Integration
ExplanationIntegration is the process where a virus integrates its genetic material into the host's DNA.
#22
What is the term for the process where a virus exits a host cell, often causing cell lysis?
Release
ExplanationRelease is the term for the process where a virus exits a host cell, often causing cell lysis.
#23
What is the name of the mechanism by which viruses acquire new genetic material from different strains?
Antigenic shift
ExplanationAntigenic shift is the mechanism by which viruses acquire new genetic material from different strains.
#24
What is the term for the phenomenon where a virus becomes inactive within a host cell, only to later reactivate and cause disease?
Latency
ExplanationLatency is the phenomenon where a virus becomes inactive within a host cell, only to later reactivate and cause disease.
#25
What is the term for the ability of a virus to change its surface proteins, making it difficult for the immune system to recognize and target it?
Antigenic variation
ExplanationAntigenic variation is the term for the ability of a virus to change its surface proteins, making it difficult for the immune system to recognize and target it.