A Drooping of the Upper Eyelid Due to Damage to the Muscle

question 12

Multiple Choice

A drooping of the upper eyelid due to damage to the muscle that raises the eyelid is known as ____.

• A) sty
• B) ptosis
• C) blepharitis
• D) glaucoma
• E) iritis

---

Definitions:

Mutations

Changes in the DNA sequence of an organism's genome, which can lead to variations in physical traits or affect how biological processes work.

Identical Twins

Siblings who develop from the same fertilized egg, resulting in genetically identical individuals.

Fraternal Twins

are twins that develop from two different eggs fertilized by two different sperm, making them genetically similar as ordinary siblings.

Temperament

A person’s characteristic emotional reactivity and intensity.