Ulcers, Previously Thought to Be Caused by Stress, Are in Fact

question 36

Multiple Choice

Ulcers, previously thought to be caused by stress, are in fact often caused by

• A) a bacterial infection.
• B) an insufficient diet.
• C) a genetic mutation.
• D) pathogenic normal microbiota.
• E) a viral infection.

---

Definitions:

Normal Model

A probability distribution that is symmetrical around its mean, predicting that data near the mean are more frequent in occurrence than data far from the mean.

English Exam

A standardized test that assesses the proficiency and understanding of the English language.

Normal Probability Plot

A graphical technique used to identify deviations from normality, showing the relationship between the data and the normal distribution.

Normally Distributed Data

A type of data distribution in which the data forms a symmetrical bell-shaped curve around the mean.