Which lesion is an abnormal membranous sac containing a liquid or semi-solid substance, that is raised and moves when touched?

Which lesion is an abnormal membranous sac containing a liquid or semi-solid substance, that is raised and moves when touched?

• A. Vesicle
• B. Papule
• C. Cyst
• D. Ulcer

Answer: (C)

The concept being tested is distinguishing lesion types by their contents and physical characteristics. A cyst is described as an abnormal membranous sac that contains fluid or semi-solid material. Because it’s a closed sac, it sits apart from surrounding tissue and can feel movable or movable as you palpate it, especially if it’s closer to the surface. The key idea is the presence of a defined sac with inner content, not just a superficial fluid-filled blister or a solid bump. A vesicle is a small fluid-filled blister, but it’s typically very shallow and smaller in size, whereas a cyst is a more defined, often deeper sac that can contain liquid or semi-solid material. A papule is a solid raised bump without fluid. An ulcer is a break in the skin or mucous membrane with tissue loss, not a sac containing material. Thus the description best fits a cyst.

The concept being tested is distinguishing lesion types by their contents and physical characteristics. A cyst is described as an abnormal membranous sac that contains fluid or semi-solid material. Because it’s a closed sac, it sits apart from surrounding tissue and can feel movable or movable as you palpate it, especially if it’s closer to the surface. The key idea is the presence of a defined sac with inner content, not just a superficial fluid-filled blister or a solid bump.

A vesicle is a small fluid-filled blister, but it’s typically very shallow and smaller in size, whereas a cyst is a more defined, often deeper sac that can contain liquid or semi-solid material. A papule is a solid raised bump without fluid. An ulcer is a break in the skin or mucous membrane with tissue loss, not a sac containing material. Thus the description best fits a cyst.