Verbal Reasoning

Read the following passage: 'The placebo effect demonstrates that a patient's belief in a treatment can produce measurable physiological changes, even when the treatment contains no active ingredients. Studies have shown that patients given sugar pills but told they are receiving powerful painkillers report significant pain reduction.' Which of the following conclusions can be drawn from the passage?

• APlacebos are as effective as real medication for all conditions
• BBelief in a treatment can produce real physiological effects✓
• CSugar pills should replace conventional painkillers
• DPain is entirely a psychological phenomenon

Answer: The passage explicitly states that belief in a treatment can produce measurable physiological changes, directly supporting option B. The other options make claims that go beyond what the passage states.

Read the following: 'Antibiotic resistance is accelerating globally, with the WHO estimating that by 2050, drug-resistant infections could kill 10 million people annually. The primary driver is the overuse and misuse of antibiotics in both human medicine and agriculture.' Which statement is best supported by the passage?

• AAntibiotics should be banned from agricultural use immediately
• BThe WHO predicts antibiotic resistance will be solved by 2050
• CMisuse of antibiotics in medicine and farming is a key contributor to resistance✓
• D10 million people currently die from antibiotic resistance each year

Answer: The passage directly states that overuse and misuse in human medicine and agriculture is the primary driver, making option C the best-supported statement. The 10 million figure is a future projection, not a current statistic.

'Universal Basic Income (UBI) proposes that every citizen receives a regular, unconditional sum of money from the government. Proponents argue it could eliminate poverty and simplify welfare systems, while critics warn it could reduce the incentive to work and prove fiscally unsustainable.' The author's stance on UBI is best described as:

• AStrongly in favour of UBI
• BStrongly opposed to UBI
• CNeutral, presenting both sides✓
• DUncertain due to lack of evidence

Answer: The passage presents arguments both for and against UBI without expressing a personal preference, making the author's stance neutral and balanced.

'Sleep deprivation has been linked to a range of health issues including obesity, cardiovascular disease, and impaired cognitive function. Adults are generally advised to obtain between seven and nine hours of sleep per night. Despite this, surveys suggest the average adult in developed nations sleeps fewer than seven hours.' Which is implied but not stated in the passage?

• AMany adults are not getting the recommended amount of sleep
• BSleep deprivation causes obesity
• CMost adults do not know the recommended sleep duration✓
• DCardiovascular disease is the most serious consequence of poor sleep

Answer: The passage implies many adults get insufficient sleep but does not address whether they know the recommendations. Option A is explicitly stated, while C is implied as a possible reason but not stated directly.

'Medical ethics rests on four core principles: autonomy, beneficence, non-maleficence, and justice. Autonomy refers to respecting the patient's right to make informed decisions. Beneficence means acting in the patient's best interest, while non-maleficence requires avoiding harm. Justice demands fair allocation of healthcare resources.' A doctor overrides a patient's refusal of treatment to prevent serious harm. Which principle does this conflict with most directly?

• ABeneficence
• BNon-maleficence
• CAutonomy✓
• DJustice

Answer: Overriding a patient's refusal conflicts directly with autonomy — the patient's right to make informed decisions about their own care. The action may be motivated by beneficence but violates autonomy.

'The human brain reaches full maturity around age 25, with the prefrontal cortex — responsible for impulse control and decision-making — being the last area to develop. This has led some researchers to argue that the legal adult age of 18 is neurologically premature.' The passage suggests which of the following?

• AThe legal age of adulthood should be raised to 25
• BYoung people under 25 cannot make rational decisions
• CThere may be a neurological basis for reconsidering when full adulthood begins✓
• DThe prefrontal cortex is the most important part of the brain

Answer: The passage suggests researchers argue the age of 18 may be neurologically premature given brain development facts, implying a possible reconsideration of adulthood age. It does not state the age should definitely be raised to 25.

'Climate tipping points are thresholds beyond which changes in the Earth's climate system become self-perpetuating, making reversal increasingly difficult regardless of human action. Examples include the collapse of the Greenland Ice Sheet and the release of methane from permafrost. Scientists disagree about exactly where these thresholds lie.' Which conclusion is most strongly supported by the passage?

• AClimate change is irreversible
• BThe Greenland Ice Sheet has already collapsed
• CUncertainty exists about the precise location of climate tipping points✓
• DMethane release from permafrost has already triggered runaway warming

Answer: The passage explicitly states that scientists disagree about where the thresholds lie, directly supporting option C. The other options either misrepresent the passage or make unsupported claims.

'Gene editing technologies such as CRISPR-Cas9 offer the potential to eliminate hereditary diseases by modifying embryonic DNA. However, germline modifications are heritable, meaning any changes made would be passed to future generations who cannot consent to such alterations. Several countries have placed moratoriums on germline editing in humans.' What is the central ethical tension described in the passage?

• AThe cost of CRISPR technology versus its benefits
• BThe potential to cure disease versus the impossibility of future generations consenting to heritable changes✓
• CNational regulations versus international scientific standards
• DThe accuracy of CRISPR versus older gene editing methods

Answer: The passage highlights the core tension between eliminating disease (benefit) and making permanent heritable changes to individuals who cannot consent (ethical concern). This is precisely option B.

'Informed consent is a cornerstone of medical practice, requiring that patients understand the nature, risks, and alternatives of proposed treatments before agreeing. However, studies show that comprehension of consent forms is frequently poor, with reading levels often exceeding the average patient's literacy. Critics argue this renders much ostensible consent ethically hollow.' Which assumption underlies the critics' argument?

• AConsent forms should be abolished
• BTrue consent requires genuine understanding, not merely a signature✓
• CDoctors should make treatment decisions without patient input
• DLiteracy levels in the general population are declining

Answer: The critics' argument only works if genuine consent requires actual understanding — not just the procedural act of signing. This is the underlying assumption that makes their critique coherent.

'The opioid crisis in North America has claimed hundreds of thousands of lives over the past two decades. Pharmaceutical companies aggressively marketed opioids as non-addictive despite internal evidence suggesting otherwise. Subsequent litigation has resulted in multi-billion-dollar settlements, though critics argue these payments are insufficient relative to the scale of harm caused.' Which of the following is presented as a fact rather than an opinion in the passage?

• APharmaceutical companies acted recklessly
• BThe settlements are insufficient
• CHundreds of thousands of lives have been lost over two decades✓
• DThe opioid crisis is the worst public health failure in North American history

Answer: Option C is stated as a factual claim about documented deaths. Options A and D involve judgment, and B is explicitly attributed to critics, marking it as opinion rather than established fact.

A passage states: 'All mammals are warm-blooded. Dolphins are mammals.' What must be true?

• ADolphins live in warm climates
• BDolphins are warm-blooded✓
• CAll warm-blooded animals are mammals
• DDolphins are the only warm-blooded sea creatures

Answer: This is a syllogism: all mammals are warm-blooded, dolphins are mammals, therefore dolphins are warm-blooded. The other options involve inferences not supported by the premises.

'Vaccination programmes have been one of the most successful public health interventions in history, eradicating smallpox and significantly reducing rates of polio, measles, and other infectious diseases. Herd immunity — protecting those who cannot be vaccinated by ensuring enough of the surrounding population is immune — depends on high uptake rates.' Which statement is NOT supported by the passage?

• ASmallpox has been eradicated through vaccination
• BHerd immunity requires high vaccination rates
• CAll infectious diseases can be eradicated through vaccination✓
• DVaccination protects both individuals and communities

Answer: The passage discusses specific successes but does not claim all infectious diseases can be eradicated. This is an overstatement not supported by the text.