Which Epidemiological Method Is Essentially the Same as a Longitudinal

question 19

Multiple Choice

Which epidemiological method is essentially the same as a longitudinal study?

• A) a retrospective study
• B) a prospective study
• C) a randomized clinical trial
• D) a meta-analysis

---

Definitions:

Nasopharynx

The upper part of the throat located behind the nose, which connects the nasal cavity to the mouth and serves as an airway in the respiratory system.

Soft Palate

The flexible part at the back of the roof of the mouth, distinguishing the back of the oral cavity from the nasopharynx.

Pharynx

A muscular tube that connects the mouth and nasal passages to the esophagus and larynx, serving both the respiratory and digestive systems.

Pulmonary Fibrosis

A lung disease characterized by damage and scarring of lung tissue, leading to severe breathing difficulties.