Quiz 7: The Integumentary System

-Identify the structure labeled "a." A)Epidermis B)Dermis C)Hypodermis D)Subcutaneous layer

-Identify the skin layer labeled "b." A)Hypodermis B)Dermis C)Epidermis D)Papillary layer

-Identify the structure labeled "f." A)Sebaceous gland B)Sweat gland C)Hair follicle D)Lamellated corpuscle

Which layer of the epidermis is the deepest? A)Stratum granulosum B)Stratum basale C)Stratum corneum D)Stratum spinosum

Thick skin ________. A)contains six layers or strata B)has a very thick stratum basale C)is composed solely of melanocytes D)is found on the palms and soles of the hands and feet

Which structure is found in the epidermis? A)Blood vessel B)Sebaceous gland C)Melanocyte D)Adipocyte

Which structure is found in the dermis? A)Tactile corpuscle B)Melanocyte C)Keratinocyte D)Dendritic cell

Which structure is found in the epidermis? A)Keratinocyte B)Sweat gland C)Lamellated corpuscle D)Sebaceous gland

Which statement is true regarding hair? A)The cells found in the shaft are dead. B)The hair root is located in the epidermis. C)The cells are non-keratinized to maintain softness. D)The cells found in the hair that extends out of the skin are living.

Where are apocrine sweat glands found? A)Axilla B)Forehead C)Palms of hands D)Scalp

Which is a characteristic of apocrine sweat glands but not eccrine sweat glands? A)Found on the hands and feet B)Open into hair follicles C)Located in the epidermis D)Function to regulate body temperature

-Identify the structure labeled "g." A)Eccrine gland B)Apocrine gland C)Hair shaft D)Sebaceous gland

-Identify the skin layer labeled "c." A)Reticular layer B)Dermis C)Papillary layer D)Hypodermis

What layer of the cutaneous membrane is labeled "b"? A)Papillary layer B)Dermis C)Hypodermis D)Epidermis

Identify structure labeled "g." A)Apocrine sweat gland B)Arrector pili muscle C)Sebaceous gland D)Lamellated corpuscle

Which structure could be found going through the epidermis? A)Apocrine sweat gland B)Tactile corpuscle C)Arrector pili muscle D)Hair shaft

What is the primary type of tissue is found in the reticular layer of the dermis? A)Stratified squamous epithelium B)Areolar connective tissue proper C)Dense irregular connective tissue proper D)Adipose

Which gland is found deep in the dermis and empties into hair follicles? A)Sebaceous B)Apocrine C)Ceruminous D)Eccrine

Which gland is located throughout most of the body and is responsible for body thermoregulation? A)Sebaceous gland B)Apocrine sweat gland C)Ceruminous gland D)Eccrine sweat gland

Which layer of the epidermis undergoes continual mitosis? A)Stratum granulosum B)Stratum basale C)Stratum spinosum D)Stratum lucidum

Which stratum of the epidermis is found only in the thick skin of the palms of the hands and soles of the feet? A)Stratum spinosum B)Stratum corneum C)Stratum basale D)Stratum lucidum

Why are "henna tattoos" of the epidermis not permanent like other tattoos? A)Regular tattoos inject their ink into the mitotic epidermal cells making the dye permanent. B)The epidermis's dendritic cells phagocytize/remove the henna stain. C)The epidermis is continually renewing its keratinocytes and sloughing off the old cells. D)The henna stain is water soluble and excreted with sweat as a by-product.

Where are eccrine glands the most dense and active? A)Forearm B)Forehead C)Palm of the hands D)The glands are evenly distributed.

In the negative feedback loop for decreasing body temperature maintenance, which of the following structures of the skin would act as an effector? A)Arrector pili muscles B)Eccrine sweat glands C)Sebaceous glands D)Stratum basale

How do the cells of the stratum granulosum receive nutrients and oxygen? A)By way of diffusion from the capillaries of the epidermis B)By way of diffusion from the capillaries of the dermis C)By way of diffusion from the superficial surface of the skin D)The cells of the stratum granulosum do not need nutrients because they are dead cells.

If there was a mechanical trauma to the skin, which two characteristics would help protect the skin? (Choose both correct answers.) A)Desmosomes between the keratinocytes in the stratum spinosum B)The dense irregular connective tissue of the dermis C)The lamellar granules of the stratum granulosum D)The tactile corpuscles of the papillary region of the dermis

Which of the following layers of the skin would be most affected by a patient taking a chemotherapeutic drug that inhibited mitosis? A)Stratum corneum B)Stratum basale C)Stratum granulosum D)Stratum spinosum

Someone grabs your arm to pull you out of the way of an on-coming car. Which structure of the skin allowed you to feel the deep pressure of that grab? A)Tactile corpuscle B)Lamellated corpuscle C)Free nerve endings D)Merkel cells