A Researcher Wanted to Study the Relationship Between Coffee Drinking

question 52

Multiple Choice

A researcher wanted to study the relationship between coffee drinking and heart problems. She interviewed all patients at several area hospitals and found that patients in the hospital for treatment of heart problems drank an average of 2.7 cups of coffee per day (Margin of error is 1.4 cups) while those patients being treated for other problems averaged only 1.4 cups of coffee per day (Margin of error is 0.8 cups) . What conclusion can you draw about coffee as a
Cause of heart problems from this information?

• A) Coffee is bad for you.
• B) Coffee is good for you.
• C) Heart patients drink more coffee than other patients.
• D) None, because only patients in hospitals were interviewed.

---

Definitions:

Awaking

The process or state of transitioning from sleep to wakefulness, involving activation of the nervous system and increased brain activity.

Spindle Activity

Oscillatory brain activity characterized by bursts of waves typically observed during specific sleep stages and believed to play a role in memory consolidation.

Rhythmic Activity

Patterns of repeated motions or sounds that occur at regular intervals, found in various biological and mechanical systems.

Medial Pontine Reticular Formation

A section of the brainstem involved in regulating autonomic functions, locomotion, and sleep-wake cycles.