Ques & Ans: Passage: The first use of X-rays under clinical conditions was by John Hall-Edwards in Birmingham, England on 11 January 1896, when he radiographed a needle stuck in the hand of an associate. On February 14, 1896 Hall-Edwards was also the first to use X-rays in a surgical operation. In early 1896, several weeks after Röntgen's discovery, Ivan Romanovich Tarkhanov irradiated frogs and insects with X-rays, concluding that the rays "not only photograph, but also affect the living function".

Question: Based on this passage, when were x rays first used in medicine?
11 January 1896

Stream of consciousness: The relevant information is: The first use of X-rays under clinical conditions was by John Hall-Edwards in Birmingham, England on 11 January 1896, when he radiographed a needle stuck in the hand of an associate.


Ques & Ans: The essay describes the experience of the English narrator, possibly Orwell himself, called upon to shoot an aggressive elephant while working as a police officer in Burma. Because the locals expect him to do the job, he does so against his better judgment, his anguish increased by the elephant's slow and painful death. The story is regarded as a metaphor for British imperialism, and for Orwell's view that "when the white man turns tyrant it is his own freedom that he destroys."

Who is george orwell in shooting an elephant?
a police officer in Burma

Stream of consciousness: The relevant information to answer the above question is: The essay describes the experience of the English narrator, possibly Orwell himself, called upon to shoot an aggressive elephant while working as a police officer in Burma.


Ques & Ans: Vitamin K, also known as phylloquinone, is made by plants, and is found in highest amounts in green leafy vegetables because it is directly involved in photosynthesis. It may be thought of as the plant form of vitamin K. It is active as a vitamin in animals and performs the classic functions of vitamin K, including its activity in the production of blood-clotting proteins. Animals may also convert it to vitamin K.

Answer this question based on the passage: what are the main sources of vitamin k?
green leafy vegetables

Stream of consciousness:
To answer the above question, the relevant sentence is: Vitamin K, also known as phylloquinone, is made by plants, and is found in highest amounts in green leafy vegetables because it is directly involved in photosynthesis.