Lecture 5: The Integumentary System

What major layer of the skin is this?

• subcutaneous layer

• dermis

• superficial fascia

• epidermis

• hypodermis

Visible stretch marks on the skin surface are actually the result of microscopic tears in collagen fibers in which layer?

• dermis

• hypodermis

• epidermis

• stratum corneum

• stratum basale

The epidermal layer in which the cells are actively dividing is the

• Stratum Corneum

• Stratum Spinosum

• Stratum Basale

• Stratum Granulosum

• Stratum Lucidum

Tags

NGSS.HS-LS1-4

This layer contains blood vessels, nerves, lymphatic vessels, hair root, sweat glands, sebaceous glands

• epidermis

• Stratum basale

• Stratum germinativum

• hypodermis

• dermis

Tags

NGSS.MS-LS1-3

The following picture depicts the integumentary system and which other system is also being shown?

• Urinary System

• Skeletal System

• Nervous System

• Reproductive System

• Digestive System

Tags

NGSS.MS-LS1-3

Cancer occurs when cells multiply excessively, forming malignant neoplasms. Which characteristic of epithelium makes it the most common type of tissue involved in cancer?

• covers internal surfaces.

• covers external surfaces.

• avascularity

• high regenerative capacity.

• supportive connective tissue.

Diffusion of chemicals from a transdermal patch must reach what layer of the skin to be effective? Tattoos work on the same principle.

• hypodermis

• subcutaneous layer

• superficial fascia

• dermis

• epidermis

Identify what the word 'hypodermic' means, from hypodermic needle.

• beneath the skin

• beneath the muscle

• beneath the bone

• above the skin

• above and below the skin

Rules of 9: Identify the total percentage for anterior and posterior legs, as well as the entire head

• 80%

• 45%

• 22.5%

• 40%

• 95%

Identify G.

• dermis

• sebaceous gland

• sudoriferous gland

• epidermis

• arrector pili muscle

Tags

NGSS.MS-LS1-3