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Caffeine Effects and Withdrawal Quiz

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Questions and Answers

What is the most common symptom of caffeine withdrawal in humans?

Fatigue

Headache (correct)

Decreased motivation

Irritability

What potential effect does high-dose caffeine have during pregnancy?

Increases fetal growth

Decreases placental blood flow (correct)

Reduces risk of miscarriage

Increases fetal heart rate

What kind of symptoms might be expected from caffeine withdrawal in animals?

Enhanced motor function

Decreased locomotor activity (correct)

Increased appetite

Heightened alertness

How does caffeine ingestion affect the risk of miscarriage in pregnant individuals?

Can increase miscarriage risk by 19% with certain intakes Signup and view all the answers

What level of caffeine consumption can lead to physical dependence in humans after a span of 6-14 days?

600mg per day Signup and view all the answers

Which statement best describes the classification of caffeine?

Caffeine belongs to a family of drugs known as methylxanthines. Signup and view all the answers

What was one of the earliest sources of caffeine isolation?

The fruit of the Coffea tree. Signup and view all the answers

Which of the following compounds is NOT a commonly self-administered methylxanthine?

Nicotine Signup and view all the answers

Where can caffeine be found in dietary sources?

In a variety of foods and medications, including analgesics. Signup and view all the answers

What characterizes the historical spread of coffee and tea?

Tea spread to Europe before coffee made its appearance. Signup and view all the answers