Ch 4.1 Integumentary System

Labelling

Label the diagram with the terms provided.

Drag labels to their correct position on the image

hypodermis

dermis

epidermis

Open Ended

Imagine a child born without skin what are come possible concerns would you have as a Neonatologist (a doctor who cares for newborns).

Multiple Choice

In the picture, what layer is indicated by the red star?

• Stratum corneum
• Stratum lucidum
• Stratum granulosum
• Stratum spinosum

Multiple Choice

In the picture, what layer is indicated by the red star?

• Stratum granulosum
• Stratum lucidum
• Stratum spinosum
• Stratum basale

Reorder

Place the following epidermal layers in order from superficial to deep.

• stratum corneum

• stratum lucidum

• stratum granulosum

• stratum spinosum

• stratum basale

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

What is the primary function of desmosomes in the epidermis?

• Produce keratin

• Increase mechanical stress resistance

• Synthesize vitamin D

Multiple Choice

Which cell type is responsible for producing keratin protein fibers in the epidermis?

• Melanocytes

• Keratinocytes

• Langerhans cells

Multiple Choice

Which type of epidermal cell is primarily responsible for detecting and responding to pathogens, allergens, and other environmental threats?

• Langerhans cells

• Merkel cells

• Melanocytes

Multiple Choice

Which type of epidermal cell is primarily responsible for detecting and responding to touch?

• Langerhans cells

• Merkel cells

• Melanocytes

Open Ended

Compare the roles of Langerhans cells, Merkel cells, and Melanocytes in the epidermis. How do their functions contribute to skin health and protection?