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#1
By Zain
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Medium
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04 Mar 2026
Which chemical compound is the primary cause of toxicity and death in cases of adulterated or illicit homemade liquor?
💡 Explanation:Methanol is a toxic alcohol used in industrial products. When ingested, it is metabolized into formic acid, leading to metabolic acidosis, blindness, and organ failure.
#2
By Zain
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Medium
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01 Mar 2026
Which body does the Surgeon General of the United States lead as its operational head?
💡 Explanation:The Surgeon General is the operational head of the U.S. Public Health Service Commissioned Corps, an elite uniformed service of public health professionals.
#3
By Zain
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Easy
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21 Feb 2026
What is the primary public health objective of the World Health Organization’s recommendation for regular physical activity?
💡 Explanation:The World Health Organization (WHO) emphasizes consistent physical activity as a core strategy to mitigate the risks of chronic, non-communicable illnesses and to enhance overall metabolic and cardiovascular health.
#4
By Zain
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Medium
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15 Feb 2026
What is the primary function of the Anterior Cruciate Ligament (ACL) in the human knee joint?
💡 Explanation:The Anterior Cruciate Ligament (ACL) is one of the four main ligaments in the knee. Its critical function is to prevent the tibia (shinbone) from sliding anteriorly (forward) on the femur (thighbone) and to limit rotational movement in the joint.
#5
By Zain
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Medium
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08 Feb 2026
Intentional pauses shift the body’s response from sympathetic activation to which component of the autonomic nervous system?
💡 Explanation:The Autonomic Nervous System (ANS) has two main branches: the Sympathetic Nervous System (SNS), which is activated during 'fight or flight' stress, and the Parasympathetic Nervous System (PNS), which promotes 'rest and digest' and recovery. Intentional pauses activate the PNS.
#6
By Zain
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Easy
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Fact Checked
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08 Feb 2026
What is the standard formula to calculate an individual’s Body Mass Index (BMI)?
💡 Explanation:The Body Mass Index (BMI) is a value used to broadly categorize a person based on tissue mass and height. It is defined as the body mass in kilograms (kg) divided by the square of the body height in meters (m²) (BMI = kg/m²).
#7
By Zain
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Medium
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04 Feb 2026
What is the single leading preventable risk factor contributing to the global cancer burden, per the WHO/IARC global analysis?
💡 Explanation:Tobacco use is identified as the single leading preventable cause of cancer worldwide, accounting for approximately 15% of all new cancer cases globally according to the joint analysis by the World Health Organization (WHO) and the International Agency for Research on Cancer (IARC). It is followed by infections and alcohol consumption.
#8
By Zain
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Medium
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29 Jan 2026
What is the primary natural reservoir for the Nipah virus (NiV) transmission to humans?
💡 Explanation:The Nipah virus (NiV) is a zoonotic virus. Its primary natural host and reservoir is the Pteropus genus of fruit bats, commonly known as flying foxes. Pigs can serve as intermediate hosts in some outbreaks.
#9
By Zain
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Medium
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22 Jan 2026
What is the Air Quality Index (AQI) range for the ‘Hazardous’ category, posing severe health risks to the general population?
💡 Explanation:The Air Quality Index (AQI) is a scale from 0 to 500 used to report daily air quality. The 'Hazardous' category, which indicates air quality that is severely polluted and affects healthy people, is generally assigned to an AQI reading from 301 up to 500.
#10
By Zain
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Easy
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Fact Checked
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22 Jan 2026
Bleeding gums and poor wound healing are classic symptoms of a deficiency in which vitamin?
💡 Explanation:Bleeding gums, easy bruising, and impaired wound healing are the hallmark symptoms of scurvy, a disease caused by a severe deficiency of Vitamin C (ascorbic acid). Vitamin C is necessary for the synthesis of collagen, a protein vital for the health of connective tissues, blood vessels, and gums.
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