Many People, When They Have a Sinus Headache, Often Use

question 22

Multiple Choice

Many people, when they have a sinus headache, often use decongestant nasal sprays. Why are such sprays useful?

• A) They reduce swelling, allowing the sinuses to drain.
• B) They reduce the symptoms of sore throat inflammation, which exacerbates the pain.
• C) They dry out the breathing passageways in the pharynx, making it easier to breathe.
• D) They have a pain-blocking effect in the brain.

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Definitions:

Type II Error

The failure to reject a false null hypothesis or a false negative in hypothesis testing.

Significance Level

The significance level, denoted by alpha, is the threshold chosen by researchers below which a p-value must fall for results to be considered statistically significant.

Null Hypothesis

A statistical hypothesis that asserts there is no effect or no difference, and any observed deviation from this hypothesis is due to random variation.

Type II Error

A statistical error occurring when the null hypothesis is not rejected when it actually is false.