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Doctors Medicines MCQs Q&A

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.

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. Correct Answer DACB

The correct answer is option 3) i.e. DACB.

 Key Points

  • D is the first sentence because it introduces the subject of the passage 'cardiac pacemaker' and explains it briefly.
  • A cites the purpose of the subject introduced in D. So, A must follow D.
  • B mentions the pronoun 'These'. This is a clear reference to 'Modern pacemakers' mentioned in C. Also, as per the context of the sentence C, only B is fit to follow C, since B talks about how modern pacemakers allow a cardiologist to use it for individual patients. So, clearly B would follow C.

Related Questions

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. 
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.
Which of the following statements are correct?  a. So as to prevent oxygenated blood from mixing with deoxygenated blood birds and mammals have four chambered hearts. b. Amphibians and some reptiles tolerate some mixing of oxygenated and deoxygenated blood and therefore have three chambered hearts. c. Fishes have only two chambered hearts as here blood is pumped to gills to get oxygenated which then passes to the rest of the body.  
The following sentences form a paragraph. The first and the last sentences of the paragraph are given. The rest of the sentences are numbered as P, Q, R and S. These four parts are not given in their proper order. Read the sentences and choose the alternative that arranges them in the correct order. 1. Kautilya's Arthshastra generally prescribed 16-8% rate of interest except when the risk was extraordinarily high. P. There is also evidence to prove that deposit banking in some form had come into existence by the Second or Third century of the Christian era. Q. The English traders could not make much use of the indigenous bankers, firstly, because of the language difficulty and secondly, because Indian bankers lacked the experience of the finance of European trade. R. These bankers could not, however, develop the system of obtaining deposits regularly from the public and those, who made savings, either hoarded or    lent them to friends and neighbours. S. During the Mughal rule, the indigenous bankers did the profitable business of money-changing and most important among them were appointed mint — officers, revenue collectors, bankers, and money-changers to the Government. 6. Therefore, the English Agency Houses, which were primarily commercial undertakings, began to conduct banking business also, so as to meet the needs of the company, the members of the services, and the European merchants in India.
Boxes A and B contain unbreakable hearts and breakable hearts in the ratio of 7 ∶ 2 and 3 ∶ 2 respectively. In what ratio should quantities of hearts be taken from A and B and added into Box C so that unbreakable hearts and breakable hearts in box C will be in the ratio of 2 ∶ 1.
Consider the following statements about the Open and Closed Blood Circulatory System:   A) Open blood circulatory system does not contain special blood vessels to carry oxygenated and deoxygenated blood, while in the closed blood circulatory system blood vessels are present. B) Oxygenated and Deoxygenated blood gets mixed in the closed blood circulatory system, while oxygenated and deoxygenated blood does not get mixed in the open blood circulatory system. Choose the correct statement.
Sentences of a paragraph are given below in jumbled order. Arrange the sentences is the right order to form a meaningful and coherent paragraph. a. It also gives rise to a feeling of animosity among the different sections of society. b. In a democratic system, frequent use of power is never desirable, it is on the part of the government or the people. c. Therefore citizens should never resort to violent ways and means in democracy though they have the right to oppose the government. d. It destroys the stability and security in public life.
Sentences of a paragraph are given below in jumbled order. Arrange the sentences is the right order to form a meaningful and coherent paragraph. A: For exotic beauty, few flowers rival the ghost orchid. B: It’s long been thought that only one insect, the giant sphinx moth, had a long enough proboscis to pollinate these orchids—but new images and research prove that wrong. C: As they feed, moths rub against a pollen source and pick up grains they’ll transfer to other orchids they visit. D: These rare orchids have long nectar tubes into which moths stick their tongue like proboscises to reach a sugary reward.
At a hospital, a certain number of patients are waiting for doctor consultation. 40 patients have diabetes and 30 patients have high blood pressure. 22 patients have both diabetes as well as high blood pressure, while 17 patients have neither diabetes nor high blood pressure. What is the total number of patients waiting at the hospital?
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 tortoise accepted the challenge because he never wanted any more humiliation. B. Moreover, everyone praised him for his speed. C. There was a rabbit in a community who used to run fast. D. So to show his skills and to humiliate tortoise the rabbit challenged him for a race.