Question:medium

Read the passage and answer the question that follows:
Read the passage below and answer the questions that follow. Hypertension, commonly known as high blood pressure, is often called a silent killer because it typically produces no obvious symptoms even as it steadily damages the arteries, heart, kidneys, and eyes. Blood pressure is recorded as two figures, systolic over diastolic, and a reading that persistently exceeds 140 over 90 millimetres of mercury is generally classified as hypertensive. Left unmanaged, chronically elevated pressure forces the heart to work harder than it should, thickening its walls and raising the long-term risk of heart attack, stroke, and kidney failure. Public health researchers point out that hypertension has become disproportionately common in urbanising, middle-income countries, where diets rich in processed sodium, sedentary lifestyles, and chronic stress converge. Unlike many chronic illnesses, hypertension is largely preventable and manageable through relatively inexpensive interventions: reducing salt intake, maintaining a healthy body weight, exercising regularly, and, where necessary, taking low-cost generic medication. The obstacle, researchers argue, is rarely medical knowledge but rather access, since routine blood pressure screening remains patchy in many low-resource health systems, and millions of people live for years without knowing their numbers. Some public health experts now advocate for community-level screening camps and pharmacist-led monitoring as a pragmatic bridge until primary healthcare systems can absorb the burden. Such measures, they note, cost little but could catch the condition before it silently causes irreversible damage.

It can be inferred from the passage that in low-resource health systems, the biggest barrier to controlling hypertension is:

Show Hint

Look for the sentence that names what stays "patchy" in low-resource health systems, and connect that cause to the effect of people not knowing their blood pressure numbers.
Updated On: Jul 8, 2026
  • The high cost of blood pressure medication
  • Insufficient routine screening, which leaves many cases undiagnosed
  • Lack of awareness about healthy diets
  • Genetic factors that cannot be modified
Show Solution

The Correct Option is B

Solution and Explanation

Step 1: Treat this as a cause-and-effect question: find the sentence in the passage that names a specific cause for poor hypertension control in low-resource settings.
Step 2: The relevant sentence: "routine blood pressure screening remains patchy in many low-resource health systems, and millions of people live for years without knowing their numbers." The cause named is patchy screening; the effect is people going undiagnosed for years.
Step 3: Test option (a), "high cost of blood pressure medication": the passage actually calls medication "low-cost generic", so cost is explicitly ruled out as a barrier, not confirmed as one. Rejected.
Step 4: Test option (c), "lack of awareness about healthy diets": the passage states the obstacle is "rarely medical knowledge", which rules out an awareness gap as the cause. Rejected.
Step 5: Test option (d), "genetic factors that cannot be modified": genetics is never mentioned in the passage at all. Rejected.
Step 6: Option (b), "insufficient routine screening, which leaves many cases undiagnosed", directly restates the cause-effect relationship identified in Step 2.
Correct option: (2) Insufficient routine screening, which leaves many cases undiagnosed.
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