Dysphagia Is

question 1

Multiple Choice

Dysphagia is:

• A) Difficulty swallowing
• B) A decrease in the amount of water in body tissues
• C) The swelling of body tissues with water
• D) The backward flow of food from the stomach into the mouth

---

Definitions:

Vertices

Plural of vertex; refers to the multiple points where two or more curves, lines, or edges meet, especially as the corner points of polygons or angles.

Hyperbola

A type of smooth curve lying in a plane, defined by its geometric properties or by equations for which it is the solution set.

Asymptotes

Lines that a graph approaches but never touches, indicating behaviour towards infinity in functions or sequences.

Hyperbola

A type of smooth curve lying in a plane, defined as the difference of distances from any point on the curve to two fixed points (foci) being a constant.