#1
Which of the following is the causative agent of AIDS?
Influenza virus
Herpes simplex virus
Human immunodeficiency virus
Hepatitis B virus
#2
What type of virus is HIV?
Retrovirus
Orthomyxovirus
Adenovirus
Flavivirus
#3
Which of the following statements about HIV is TRUE?
HIV can be transmitted through casual contact like shaking hands.
HIV cannot be transmitted through breastfeeding.
HIV can survive outside the body for long periods.
HIV is only transmitted through heterosexual intercourse.
#4
Which type of HIV infection occurs when the virus is present in the body but there are no symptoms?
Acute infection
Chronic infection
Latent infection
Asymptomatic infection
#5
Which of the following statements about HIV is FALSE?
HIV can be transmitted through breastfeeding.
HIV can be transmitted through sharing needles.
HIV cannot be transmitted through tears or saliva.
HIV can be transmitted through casual contact like hugging.
#6
Which enzyme is responsible for the synthesis of DNA from RNA in HIV?
Reverse transcriptase
RNA polymerase
DNA ligase
Helicase
#7
Which of the following proteins helps HIV in entering the host cell?
Integrase
Protease
gp120
p24
#8
Which cell type does HIV primarily target in the human body?
T lymphocytes
B lymphocytes
Neutrophils
Monocytes
#9
Which HIV protein is responsible for the cleavage of precursor polyproteins into individual functional proteins?
gp120
Protease
Integrase
Reverse transcriptase
#10
Which phase of HIV infection is characterized by a rapid increase in viral load and decline in CD4+ T cell count?
Acute infection
Latent infection
Asymptomatic infection
AIDS
#11
Which of the following is NOT a common route of HIV transmission?
Blood transfusion
Sharing needles
Mosquito bites
Unprotected sexual intercourse
#12
What is the function of the viral protein, integrase, in HIV replication?
Cleaves viral polyproteins
Facilitates integration of viral DNA into host genome
Facilitates assembly of new viral particles
Promotes budding of viral particles from the host cell
#13
What is the function of the viral protein, protease, in the HIV life cycle?
Facilitates integration of viral DNA into host genome
Facilitates assembly of new viral particles
Cleaves viral polyproteins into functional proteins
Promotes budding of viral particles from the host cell
#14
What is the significance of the CD4 receptor in HIV infection?
It serves as a co-receptor for HIV entry into the host cell
It helps HIV to evade the immune system
It promotes the integration of viral DNA into host genome
It is involved in the assembly of new viral particles
#15
Which of the following factors contributes to HIV drug resistance?
Taking antiretroviral drugs inconsistently
Adhering strictly to the prescribed drug regimen
Having a higher CD4 count
Not having access to antiretroviral therapy
#16
What is the role of the viral protein, vif, in the HIV life cycle?
Facilitates integration of viral DNA into host genome
Facilitates assembly of new viral particles
Promotes budding of viral particles from the host cell
Counteracts a host cell protein that inhibits HIV replication
#17
What is the function of the HIV accessory protein, nef?
Promotes integration of viral DNA into host genome
Facilitates assembly of new viral particles
Enhances virulence by downregulating host cell surface proteins
Promotes release of viral particles from the host cell