Quiz 5.2a HIV Flashcards
Reverse transcriptase acts on this viral component.
-Viral RNA
What is the normal CD4 cell count in a healthy adult?
-500 to 1500 cells per cubic millimeter of blood
How does HIV generally initiate infection?
-Through sexual contact
Which of the following is/are true of HIV2?
- Low infectivity
- Low virulence
HIV belongs to this viral genus.
-Genus Lentivirus
This/these is/are considered as the rare mode of transmission for HIV.
- Organ transplant
- Blood transfusion
When are HIV positive patients considered to have progressed to AIDS?
- There is one or more opportunistic infection
- Their CD4 count is less than 200 per microliter of blood
- They develop certain cancers
Is being HIV positive the same as having AIDS?
No
This strain of HIV is responsible for the global pandemic:
-HIV1 group M
What is the purpose of integrase?
-Links the formed viral DNA into that of host cell
What is the trend of AIDS related deaths in the Philippines?
-Increasing
What is the trend of new cases of HIV in the Philippines?
-Increasing
What does CD stand for in CD4?
-Cluster of differentiation
When can HIV infection be classified as AIDS?
-When the number of CD4 cell is less than 200 per microliter of blood
What stage of HIV infection does AIDS occur?
-Stage 4
What are T-helper lymphocytes?
-They activate other immune cells of the body in the presence of infectious etiologic agent
Will being HIV positive surely lead to AIDS?
No
This type of HIV was discovered in 1986.
-HIV2
This type of HIV was discovered in 1983.
-HIV1
This type of HIV accounts for around 95% of all infections worldwide
-HIV1
How many HIV patients in the Philippines are on antiretroviral therapy as of 2020?
-Less than 50%
Where is CD4 found?
a. Surface of macrophages
b. Surface of lymphocytes
c. Surface of monocytes
d. Surface of dendritic cells
It is believed that HIV1 evolved from this virus.
-SIVcpz
What is the best way to prevent the spread of HIV
-Sexual Abstinence
This means that the two RNA genomes per virion give rise to only one DNA copy in the infected cells.
-Diploid(+)ssRNA
What is the equivalent of 1 cubic millimeter?
-1 microliter
Which of the following is/are TRUE?
A person with AIDS can revert back to being only HIV positive
Not everyone who has HIV progresses to AIDS
A person with HIV and treated earlier can have a nearly normal life expectancy
Which of the following is/are true of HIV1?
- High infectivity
- High virulence
It is believed that HIV2 evolved from this virus.
-SIVsm
What is/are the etiologic agent/s of AIDS?
- HIV1
- HIV2
The Philippines belongs to this Region Office of the WHO
-Western Pacific
What is the primary criterion to substantially reduce or eliminate HIV transmission from an HIV positive patient?
-Undetectable viral load
What is the relationship of HIV viral load and CD cells in the body?
-They are inversely proportional
HIV belongs to this viral family.
-Family Retroviridae
Why does HIV primarily attack T-helper lymphocytes
-T-Helper lymphocytes have the most number of CD4 on their surface
Patient P is HIV positive
Patient P has been taking medications directly on a daily basis for more that five years
Latest lab results of Patient P show an undetectable viral load.
According to the CDC what is the risk of Patient P to transmit HIV through sharing syringes or other drug equipment?
(-not ang 1% or less)
Patient P is HIV positive. Patient P has been taking medication diligently on a daily basis for more than five years. Lates lab results of patient P show an undetectable viral load.
According to CDC, what is the risk of patient P to transmit HIV through pregnancy, labor, and delivery?
-1% or less
Patient P is HIV positive. Patient P has been taking medications diligently on a daily basis for more than five years. Latest lab results of patient P show an undetectable viral load. According to the CDC, what is the risk of patient P to transmit HIV through breastfeeding?
-Substantially, reduced, but does not eliminate risk
Patient P is HIV positive. Patient P has been taking medication diligently on a daily basis for more than five years. elaborates lab results of patient P show an undetectable viral load. According to CDC, what is the risk of Patient P to sexually transmit HIV?
-Effectively no risk
