Multiple Choice
Which layer of the epidermis is the most superficial?
96
views
5. Integumentary System
The Epidermis: Layers
Struggling with Anatomy & Physiology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which layer of the epidermis is affected when a scrape impacts only the most superficial layer of the skin?
A
Stratum basale
B
Stratum spinosum
C
Stratum corneum
D
Stratum granulosum
Verified step by step guidance1
Understand the structure of the epidermis, which consists of five layers: Stratum basale (deepest), Stratum spinosum, Stratum granulosum, Stratum lucidum (only in thick skin), and Stratum corneum (most superficial).
Recall that the Stratum corneum is the outermost layer of the epidermis, composed of dead keratinized cells that provide a protective barrier against environmental damage.
Identify that a scrape impacting only the most superficial layer of the skin would affect the Stratum corneum, as it is the layer exposed to the external environment.
Recognize that deeper layers such as the Stratum basale, Stratum spinosum, and Stratum granulosum are not affected in this scenario because the injury does not penetrate beyond the surface.
Conclude that the correct answer is the Stratum corneum, as it is the layer impacted by superficial scrapes.
3:19mWatch next
Master Introduction to Layers of the Epidermis with a bite sized video explanation from Bruce Bryan
Start learningRelated Videos
Related Practice
The Epidermis: Layers practice set
Problem sets built by lead tutorsExpert video explanations