Epidermis and Dermis

Site of melanin formation

• Stratum Corneum
• Stratum Basale
• Stratum Spinosum
• Stratum Granulosum

What is the layer of epidermis that is the most superficial layer?

• stratum granulosum
• stratum corneum
• stratum basale
• stratum spinosum

The skin is made up of 2 major tissue layers called

• epidermis and hypodermis
• epidermis and subcutaneous
• dermis and epidermis
• dermis and hypodermis

How is skin color determined?

• how much melanin is produced from a melanocyte regulated by DNA
• depends on parents
• its 100% random
• depends on area you are born in

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What cell produces the pigment melanin?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (dendritic) cell

What cell detects touch and sensory sensations?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (Dendritic) cell

What cell produces keratin, which allows for waterproofing of the skin, nails, and hair?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (Dendritic) cell

Tags

NGSS.HS-LS1-4

What cell detects produces an immune response against pathogens entering the skin?

• Keratinocytes
• Melanocytes
• Merkel (Tactile) Cells
• Langerhans (Dendritic) cell

What is number 7? 

• Dermis
• Epidermis
• stratum corneum
• hypodermis

What is number 9? 

• Dermis
• Epidermis
• hypodermis
• stratum basale