Integumentary System Multiple Choice

What is homeostasis? A. Consists of the integument and its accessory organs B. The tendency of the body to seek and maintain a condition of balance or equilibrium within its internal environment, even when faced with external changes. C. Nails, hair, sweat glands, Sebaceous (oil glands) D. The study of body structures and their relationship to each other

B. The tendency of the body to seek and maintain a condition of balance or equilibrium within its internal environment, even when faced with external changes.

What is the main function of hair? A. Maintains heat in the body B. Acts as a sensory detector and also aids in the prevention of heat loss C. makes us look good D. Rids the body of nitrogen containing waste

B. Acts as a sensory detector and also aids in the prevention of heat loss

What gland secretes sebum? A. Pores B. Sebaceous glands C. Sudoriferous glands D. Eccrine glands E. Apocrine glands

B. Sebaceous glands

What does the integumentary system synthesize? A. Rids the body of nitrogen-containing wastes B. protects underlying organs from drying out and mechanical damage C. Vitamin D D. Protects underlying organs from drying out and mechanical damage

C. Vitamin D

Describe a Lemallar corpuscle A. small, oval-shaped, encapsulated receptors found it or near the dermal papillae. They sense light touch. B. thick and composed of dense irregular connective tissue C. large encapsulated receptors found deeper in the dermis and sense deep pressure. They resemble a cut onion in cross section. D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss. E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

C. large encapsulated receptors found deeper in the dermis and sense deep pressure. They resemble a cut onion in cross section.

These are sweat glands that are divided into two basic types on the basis of function and location: eccrine and apocrine A. Pores B. Sebaceous glands C. Sudoriferous glands D. Eccrine glands E. Apocrine glands

C. Sudoriferous glands

How many layers of skin does thin skin have? A. 1 B. 4 C. 5 D. 2

C. 5

What is the "true skin?" A. Hypodermis B. papillary layer C. Dermis D. Subcutaneous tissue

C. Dermis

What are the three concentric layers of keratinized cells that pertain to hair? A. Hair follicle, Medulla, Cortex B. Medulla, papilla, pilli, root C. Medulla, cortex, cuticle

C. medula, cortex, and cuticle

What is the Stratum corneum? A. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it. B. the layer directly above the stratum basale. This layer is composed of several rows of keratinocytes that evolve into a "prickly/spiny" shape C. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes. D. The most superficial layer of the epidermis. It consists of 20-30 rows of flattened, dead keratinocytes containing keratin. This layer is thicker on the palms, fingertips, and soles. E. this layer is present only in thick skin. It is clear, thin band of dead keratinocytes with indistinct borders.

D. The most superficial layer of the epidermis. It consists of 20-30 rows of flattened, dead keratinocytes containing keratin. This layer is thicker on the palms, fingertips, and soles.

There are several million of these present over the skin. They look like simple coiled tubular glands A. Pores B. Sebaceous glands C. Sudoriferous glands D. Eccrine glands E. Apocrine glands

D. Eccrine glands

This gland produces sweat containing fatty substances and proteins. Its exact functions are unclear but people speculate that they have something to do with pheromones A. Pores B. Sebaceous glands C. Sudoriferous glands D. Eccrine glands E. Apocrine glands

E. Apocrine

What is the Stratum lucidum? A. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it. B. the layer directly above the stratum basale. This layer is composed of several rows of keratinocytes that evolve into a "prickly/spiny" shape C. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes. D. The most superficial layer of the epidermis. It consists of 20-30 rows of flattened, dead keratinocytes containing keratin. This layer is thicker on the palms, fingertips, and soles. E. this layer is present only in thick skin. It is clear, thin band of dead keratinocytes with indistinct borders.

E. this layer is present only in thick skin. It is clear, thin band of dead keratinocytes with indistinct borders.

Describe the dermis? A. small, oval-shaped, encapsulated receptors found it or near the dermal papillae. They sense light touch. B. thick and composed of dense irregular connective tissue C. large encapsulated receptors found deeper in the dermis and sense deep pressure. They resemble a cut onion in cross section. D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss. E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

Describe the hypodermis A. small, oval-shaped, encapsulated receptors found it or near the dermal papillae. They sense light touch. B. thick and composed of dense irregular connective tissue C. large encapsulated receptors found deeper in the dermis and sense deep pressure. They resemble a cut onion in cross section. D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss. E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss.

What is a Meissner's corpuscle? A. small, oval-shaped, encapsulated receptors found it or near the dermal papillae. They sense light touch. B. thick and composed of dense irregular connective tissue C. thick and composed of dense irregular connective tissue D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss. E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

A. Small, oval-shaped, encapsulated receptors found it or near the dermal papillae. They sense light touch.

What are the four functions of the skin? A.Protection, heat loss/retention, excretion of urea/uric acid, synthesizes vitamin D B. finger-like projections giving nutrition to epidermis; creates fingerprints C. provides elasticity - no wrinkles

A. provides protection, heat loss/ retention, excretion of uric acid, synthesizes Vitamin D

What is the stratum basale? A. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes. B. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes. C. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it. D. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it.

A. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes.

Describe the papillary layer A. thick and composed of dense irregular connective tissue B. thick and composed of dense irregular connective tissue C. large encapsulated receptors found deeper in the dermis and sense deep pressure. They resemble a cut onion in cross section. D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss. E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

A. thick and composed of dense irregular connective tissue

What does the integumentary system consist of? A. Skin, hair, nails, sweat glands, sebaceous glands. B. Skin, hair, bone, thyroid, sebaceous glands, sweat glands C. Sebaceous glands, intestines, hair, nails, sweat glands

A: Skin Hair Nails Sweat glands Sebaceous glands

How many layers does thin skin have? A. 1 B. 4 C. 5 D. 2

B. 4

Reticular layer? A. small, oval-shaped, encapsulated receptors found it or near the dermal papillae. They sense light touch. B. thick and composed of dense irregular connective tissue C. large encapsulated receptors found deeper in the dermis and sense deep pressure. They resemble a cut onion in cross section. D. Lies below the integument and is not considered a part of the skin. Anchors the dermis to underlying bone and muscle. Also is a shock absorber and insulator from heat loss. E. Lies beneath the epidermis and contains sweat glands, sebaceous glands, and hair follicles. Contains two regions: papillary and reticular layers

B. Thick and composed of dense irregular tissue

What is stratum spinosum? A. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it. B. the layer directly above the stratum basale. This layer is composed of several rows of keratinocytes that evolve into a "prickly/spiny" shape C. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes. D. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it.

B. the layer directly above the stratum basale. This layer is composed of several rows of keratinocytes that evolve into a "prickly/spiny" shape

This is an outlet for sweat to be excreted on the surface of skin. The primary function is thermoregulation, via cooling A. Pores B. Sebaceous glands C. Sudoriferous glands D. Eccrine glands E. Apocrine glands

A. Pores

Stratum granulosum A. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it. B. the layer directly above the stratum basale. This layer is composed of several rows of keratinocytes that evolve into a "prickly/spiny" shape C. the deepest layer of the epidermis, composed of a single row of mitotically active keratinocytes and a number of pigment producing cells, the melanocytes. D. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it.

A. the next layer consists of 4-6 rows of flattened keratinocytes that contain granules. The granules contain substances needed to form keratin in the layers superior to it.