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Doctors Medicines MCQs Q&A

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S1:The heart is pump of life.
P :They have even succeeded in heart transplants.
Q :Nowadays surgeons are able to stop a patients heart and carry out complicated operations.
R :A few years ago it was impossible to operate on a patient whose heart was not working properly.
S :If heart stops we die in about five minutes.
S6:All this was made possible by the invention of heart-lung machine.

The Proper sequence should be:
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: A surprising fact about heart attacks is they appear to have seasonal and temporal patterns.  Q: A heart is a muscle, and it needs a good blood supply to keep it healthy.  R: A heart attack happens when there is a sudden complete blockage of an artery that supplies blood to an area of your heart. S: As per different statistics and research, a higher percentage of heart attacks occur in the cold weather. 
Pyroxenes are class of silicate minerals, which exhibit a polymeric chain structure, as shown below
S-Block and P-Block Elements mcq question image
Its simplest repeating unit is
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph. A: The primary purpose of a pacemaker is to maintain an adequate heart rate, either because the heart's natural pacemaker is not fast enough, or because there is a block in the heart's electrical conduction system. B: These allow a cardiologist to select the optimum pacing modes for individual patients.  C: Modern pacemakers are externally programmable. D: A cardiac pacemaker is a medical device that generates electrical impulses to cause the heart muscle chambers contract and therefore pump blood.
In which of the following block would you find the Rare Earth Elements? s-block p-block d-block f-block
A spring mass system is on a horizontal plane. Spring constant is 2N/m & mass of block is 2kg. The spring is compressed by 10cm and released. A small ball is released from a height of 2m above the block on the horizontal plane. At what time should the ball be left if the block is released from the extreme position at t=0, given that the ball has to fall on the block when the speed of block is maximum?
A spring block system is on a horizontal surface. The block is compressed by 10cm. What should be the coefficient of friction between the block and ground such that the block comes to a stop at the mean position? Mass of block = 0.5kg & spring constant = 3N/m.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: A heart attack usually occurs when a blood clot blocks blood flow to the heart. B: Without blood, tissue loses oxygen and dies. C: Some symptoms of a heart attack include tightness or pain in the chest, neck, back, or arms, as well as fatigue, lightheadedness, abnormal heartbeat, and anxiety.  D: A heart attack is a medical emergency.
In a group of people 5 play golf, 8 play cricket and 3 play both. It is known that the heart rate of golf player is 98bpm, the heart rate of a cricket player is 102bpm and the heart rate of people who play both is 100bpm. Find the average heart rate of the group.
In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required. Living in the heart of New York city is certainly like a far cry from living in the rural countryside. (i) heart of New York city is certainly a far cry from (ii) heart of New York city is a far cry than (iii) heart of the New York city is certainly ruing