Which of the following is a perfect match ?

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Q: 71 (SSC/NA)

Which of the following is a perfect match ?

question_subject: 

Science

question_exam: 

SSC

stats: 

0,1,13,3,5,5,1

keywords: 

{'coronary attack': [1, 0, 0, 0], 'heart attack': [3, 0, 0, 0], 'hypertension': [1, 0, 0, 0], 'atherosclerosis': [1, 0, 0, 0], 'arteries': [0, 1, 0, 0], 'vascular dilation': [1, 0, 0, 0], 'hypotension': [1, 0, 0, 0], 'low blood pressure': [1, 0, 0, 0], 'perfect match': [1, 0, 0, 0]}

Option 4 is the correct answer. Hypotension refers to low blood pressure, while a heart attack is a condition where the blood flow to the heart muscle is blocked or reduced, resulting in a lack of oxygen to the heart. Therefore, option 4 matches the correct relationship.

Option 1 is incorrect because a coronary attack is also known as a heart attack, and it occurs due to blockage or narrowing of the coronary arteries, not vascular dilation.

Option 2 is incorrect because atherosclerosis refers to the buildup of fatty deposits called plaque in the arteries, leading to narrowing and blockage, not the blockage itself.

Option 3 is incorrect because hypertension refers to high blood pressure, not low blood pressure.

In summary, the correct match is option 4: Hypotension - heart attack.