Which of the Following Would Be Considered the Research Design

question 12

Multiple Choice

Which of the following would be considered the research design for Level III evidence?

• A)Well-designed controlled trials without randomization
• B)Systematic reviews of descriptive or qualitative studies
• C)Systematic review of randomized clinical trial studies
• D)Opinion of authorities and expert committees

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Definitions:

Parietal Cells

Stomach cells that secrete hydrochloric acid, which is necessary to convert pepsinogen to pepsin. Parietal cells also secrete intrinsic factor, which is necessary for vitamin B12 absorption.

Intrinsic Factor

A substance secreted by parietal cells in the lining of the stomach. It is necessary for vitamin B12 absorption.

Sucrase

An enzyme that digests sugars.

Maltase

An enzyme that breaks down maltose into glucose during digestion.