general knowledge Online Quiz - 3034

HIV symptom onset is highly variable and can occur within weeks (acute HIV syndrome), take years (chronic phase), or may never manifest noticeable symptoms until advanced stages. The timeline depends on individual immune response and viral factors.

HIV infects CD4+ T cells (primary target), macrophages, and dendritic cells through CD4 receptors and co-receptors (CCR5, CXCR4). This multi-cell tropism explains the virus's ability to evade immune detection and establish reservoirs.

HIV/AIDS symptoms include whitish coating (oral thrush, candidiasis) indicating fungal infection, and purple spots (Kaposi's sarcoma) which is a cancer. Both are opportunistic conditions common in advanced immunosuppression.

Acute HIV Syndrome (AHS) is the mononucleosis-like illness occurring 2-4 weeks after infection, characterized by fever, rash, and lymphadenopathy. It represents the initial immune response before the chronic phase.

HIV infection is confirmed through ELISA screening tests, followed by confirmatory Western blot (misspelled as Westren-bolt). The test detects HIV antibodies in blood, with urine tests also available but less common.

HIV infection significantly increases the risk of Kaposi's sarcoma, a cancer caused by HHV-8, and certain lymphomas. Among the options listed, cervical cancer has the strongest documented link to HIV - women with HIV have higher rates of cervical dysplasia and cancer due to reduced ability to fight HPV, which causes cervical cancer. The other cancers (leukemia, breast, thyroid) are not specifically HIV-associated.

HIV stands for Human Immunodeficiency Virus. It attacks the body's immune system, specifically CD4 cells (T cells), making it harder to fight infections. Option A has 'Immunity' instead of 'Immuno' and 'Defect' instead of 'Deficiency'. Option C has 'Immune' instead of 'Immuno'.

HIV can be transmitted through blood, including contaminated needles and equipment used for body piercing or tattooing. If instruments are not properly sterilized between clients and are contaminated with HIV-positive blood, the virus can be passed to the next person. This is why licensed professionals must use sterile, single-use or properly autoclaved equipment.

HIV (Human Immunodeficiency Virus) is the virus that causes infection, while AIDS (Acquired Immunodeficiency Syndrome) is the late stage of HIV infection when the immune system is severely damaged. A person can live with HIV for many years without developing AIDS, especially with modern antiretroviral therapy. Not everyone with HIV has AIDS.

The verb 'deal' takes the preposition 'with' when indicating what someone trades in or handles. A merchant 'deals with' grain (or other goods). The other prepositions don't form correct collocations: 'deal at', 'deal for', and 'deal on' are not standard expressions in this context.

The phrase 'enter on' is a valid idiom meaning to begin or undertake something, often used with military or strategic contexts like 'enter on a campaign'. In this context, entering upon/beginning an action against the enemy's camp makes sense. 'Enter into' is used for agreements or discussions, 'enter for' means to register for something, and 'during' is not a preposition that follows 'enter'.

When something passes through a tunnel, it goes from one side to the other through the enclosed space. 'Through' indicates movement in one side and out the other. A train passes 'through' a tunnel, not 'on' it, 'over' it (which would imply going above), or 'at' it (which doesn't indicate movement through).

'Between' is used when referring to two distinct people or things, while 'among' is used for three or more. Since the sentence mentions 'me and him' (two people), 'between' is correct. 'Enmity between' is the standard collocation. 'On' and 'to' don't fit the context of describing a relationship between two people.

'Triumph over' is the correct idiom meaning to win or succeed against something or someone. When we say someone triumphs over difficulties, they conquer or overcome them. 'Triumph with', 'triumph by', and 'triumph at' are not standard collocations in English. This is similar to 'victory over' or 'succeed over'.

The correct preposition to use with "glad" in this context is "about". "Glad about" expresses happiness or satisfaction regarding something. "Glad for" would mean happy on someone else's behalf, "glad over" is not standard usage, and "glad at" is incorrect.

"Gifted with" is the correct phrase when describing someone's natural talent or ability. The child has been given the ability to sing well. "Gifted at" would require a gerund (gifted at singing), not a noun phrase.

"During the night" is correct. We use "during" with time periods to indicate throughout the duration. "On night" and "in night" are incorrect without articles, and "at night" means at nighttime generally, not specifically "so that we enjoy the cool breeze" which suggests the full duration.

The correct preposition after 'similar' is 'to'. We say 'similar to' to show resemblance between two things. 'At', 'over', and 'for' are not used with 'similar' in standard English.

When a judge declares a judgment, it is typically 'against' something or someone, especially when contradicting or opposing government orders. 'On' would be used for supporting something, 'with' suggests agreement, and 'for' indicates favoring.

'Abstain' is always followed by the preposition 'from' when talking about refraining from doing something or avoiding certain substances. 'Yet' is a conjunction, 'against' doesn't collocate with abstain, and 'with' would mean the opposite.