What Percentage of Ulcers Are Caused by H Pylori

question 101

Multiple Choice

What percentage of ulcers are caused by H pylori?

• A) 50%
• B) 90%
• C) 70%
• D) 20%

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Definitions:

Increasing Acidity

Refers to a trend or condition that leads to an increase in the acidic character or strength of substances.

Conjugate Acid

A species formed by the reception of a proton by a base, characterized by having one more proton and an increased positive charge compared to the original base.

Acetone

A volatile, colorless liquid with the formula (CH3)2CO, used as a solvent and in the production of various chemicals.

Electrophile

A chemical species that accepts an electron pair in order to bond to a nucleophile during a chemical reaction.