Reading Comprehension Flashcards
7 cards from real PCAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Reading Comprehension flashcards as text
A PCAT passage describes an 'agonist' and an 'antagonist' at the same receptor. Which relationship is most directly implied?
Answer: An agonist activates the receptor while an antagonist blocks activation without producing a response
By definition, an agonist produces a biological response by activating the receptor, whereas an antagonist occupies the receptor and prevents agonist binding without triggering a response.
In a passage, the author uses the word 'conversely' to link two sentences about drug solubility. What does this signal to the reader?
Answer: The second sentence presents information that is opposite or contrasting to the first
'Conversely' is a contrast transition word indicating that the idea in the following sentence is the reverse or opposite of the preceding one.
A passage argues that 'increased medication adherence leads to better patient outcomes.' Which type of evidence would most strongly support this argument?
Answer: A randomized controlled trial showing statistically significant outcome improvements in a high-adherence group versus a low-adherence group
A randomized controlled trial with a statistically significant result provides the highest level of clinical evidence to establish a causal link between adherence and outcomes.
A passage explains that Drug A has a half-life of 4 hours. If administered as a single dose, approximately how long will it take for 97% of the drug to be eliminated?
Answer: Approximately 20 hours (5 half-lives)
After 5 half-lives, approximately 97% of a drug is eliminated (each half-life removes 50% of remaining drug: 50%→75%→87.5%→93.75%→96.875%).
A passage distinguishes between 'efficacy' and 'effectiveness' of a drug. Which distinction is most consistent with standard pharmacological usage?
Answer: Efficacy refers to performance under ideal controlled conditions; effectiveness refers to performance in real-world clinical practice
Efficacy (from clinical trials) measures a drug's performance under controlled conditions, while effectiveness measures its performance in routine, real-world clinical settings.
A passage presents two paragraphs: the first describes the benefits of a new antibiotic, and the second describes its adverse effects. What is the most likely organizational purpose of this two-paragraph structure?
Answer: To present a balanced analysis by juxtaposing benefits with risks before reaching a conclusion
Pairing a benefits paragraph with an adverse effects paragraph is a standard expository structure for balanced evaluation, setting up an evidence-based conclusion.
A PCAT reading passage contains this sentence: 'The intervention was efficacious in the subgroup analysis, though the primary endpoint was not met.' What is the most accurate interpretation?
Answer: The overall study did not achieve its main goal, but a specific smaller group showed a positive effect
Missing the primary endpoint means the overall study hypothesis was not confirmed; a positive subgroup finding is hypothesis-generating but does not constitute proof of overall efficacy.