A Child Has Been Diagnosed with Vocal Cord Dysfunction

question 3

Multiple Choice

A child has been diagnosed with vocal cord dysfunction. Which of the following flow-volume loops demonstrates this condition?

• A) Figure 5-9C
• B) Figure 5-9A
• C) Figure 5-9B
• D) Figure 5-8B

---

Definitions:

Sphincter Pupillae

Circular smooth muscle fibers of the iris’s diaphragm that constrict the pupil of the eye.

Ciliary Muscles

Ring-shaped muscles in the eye that change the shape of the lens to focus light on the retina, enabling the eye to adapt its vision for close or distant objects.

Dilator Pupillae

Radial smooth muscle cells of the iris diaphragm that cause the pupil of the eye to dilate.

Suspensory Ligaments

Fibrous tissues that connect the lens of the eye to the ciliary body, adjusting the lens shape to focus light on the retina.