2. A) Keratinization involves skin cells moving to the surface that have _________________. A. lost water and changed nuclei B. lost fat and increased mitochondria C. lost the stratum basale D. lost the stratum lucidum and increased the amount of protein, keratin E. None of the above B) The layer of the skin composed of dense connective tissue that has projections known as papillae is the ____________. A. stratum corneum B. hypodermis C. stratum basale D. dermis C) Sebaceous glands are located in the __________, are associated with the __________, and secrete ________. A. epidermis, hair follicle, oil B. papillary layer, skin cells, oil C. dermis, hair follicle, sebum D. epidermis, hair follicle, sebum E. dermis, nail bed, sebum D) Which is not the function of the dermis layer? A. Regulates temperature by sweat glands and blood vessel dilation or constriction B. Responds to pressure, pain, and temperature with the use of sensory nerves C. Produces Vitamin D upon exposure to UV light D. Covers and protects the epidermis E. None of the above E) The strength of the dermis is mainly a result of the _____. A. thickness of the layers B. distribution of elastic fibers C. presence of collagen fibers D. amount of blood vessels E. keratinization of the skin F) Cyanosis is a condition caused by ___________. A. increased blood flow to the skin B. exposure to ultraviolet light C. consuming large amounts of carotene D. a decrease in blood oxygen E. albinism G) Hair and nails are modifications of the _______. A. melanocytes B. epidermis C. sudoriferous glands D. hypodermis E. dermis H) The blood vessels nourishing a hair follicle are located in the ______________. A. cortex of the hair B. papilla of the hair C. matrix of the cells D. arrector pili E. cuticle of the hair I) Production of new hairs is the responsibility of the __________. A. cuticle of the hair B. cortex of the hair C. arrector pili D. papilla of the hair E. matrix of cells J) Which of the following is a nail bed component? A. Nail papilla B. Lunula C. Medulla D. All of the above E.

2. A) Keratinization involves skin cells moving to the surface that have ___________. A. lost water and changed nuclei B. lost fat and increased mitochondria C. lost the stratum basale D. lost the stratum lucidum and increased the amount of protein, keratin E. None of the above B) The layer of the skin composed of dense connective tissue that has projections known as papillae is the . A. stratum corneum B. hypodermis C. stratum basale D. dermis C) Sebaceous glands are located in the , are associated with the , and secrete . A. epidermis, hair follicle, oil B. papillary layer, skin cells, oil C. dermis, hair follicle, sebum D. epidermis, hair follicle, sebum E. dermis, nail bed, sebum D) Which is not the function of the dermis layer? A. Regulates temperature by sweat glands and blood vessel dilation or constriction B. Responds to pressure, pain, and temperature with the use of sensory nerves C. Produces Vitamin D upon exposure to UV light D. Covers and protects the epidermis E. None of the above E) The strength of the dermis is mainly a result of the _. A. thickness of the layers B. distribution of elastic fibers C. presence of collagen fibers D. amount of blood vessels E. keratinization of the skin F) Cyanosis is a condition caused by _____. A. increased blood flow to the skin B. exposure to ultraviolet light C. consuming large amounts of carotene D. a decrease in blood oxygen E. albinism G) Hair and nails are modifications of the _. A. melanocytes B. epidermis C. sudoriferous glands D. hypodermis E. dermis H) The blood vessels nourishing a hair follicle are located in the __. A. cortex of the hair B. papilla of the hair C. matrix of the cells D. arrector pili E. cuticle of the hair I) Production of new hairs is the responsibility of the . A. cuticle of the hair B. cortex of the hair C. arrector pili D. papilla of the hair E. matrix of cells J) Which of the following is a nail bed component? A. Nail papilla B. Lunula C. Medulla D. All of the above E.

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter5: The Integumentary System

Section: Chapter Questions

Problem 22RQ: An individual has spent too much time sun bathing. Not only is his skin painful to touch, but small...

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Question

2. A)

Keratinization involves skin cells moving to the surface that have _________________.

	A.	lost water and changed nuclei
	B.	lost fat and increased mitochondria
	C.	lost the stratum basale
	D.	lost the stratum lucidum and increased the amount of protein, keratin
	E.	None of the above

The layer of the skin composed of dense connective tissue that has projections known as papillae is the ____________.

	A.	stratum corneum
	B.	hypodermis
	C.	stratum basale
	D.	dermis

Sebaceous glands are located in the __________, are associated with the __________, and secrete ________.

	A.	epidermis, hair follicle, oil
	B.	papillary layer, skin cells, oil
	C.	dermis, hair follicle, sebum
	D.	epidermis, hair follicle, sebum
	E.	dermis, nail bed, sebum

Which is not the function of the dermis layer?

	A.	Regulates temperature by sweat glands and blood vessel dilation or constriction
	B.	Responds to pressure, pain, and temperature with the use of sensory nerves
	C.	Produces Vitamin D upon exposure to UV light
	D.	Covers and protects the epidermis
	E.	None of the above

The strength of the dermis is mainly a result of the _____.

	A.	thickness of the layers
	B.	distribution of elastic fibers
	C.	presence of collagen fibers
	D.	amount of blood vessels
	E.	keratinization of the skin

Cyanosis is a condition caused by ___________.

	A.	increased blood flow to the skin
	B.	exposure to ultraviolet light
	C.	consuming large amounts of carotene
	D.	a decrease in blood oxygen
	E.	albinism

Hair and nails are modifications of the _______.

	A.	melanocytes
	B.	epidermis
	C.	sudoriferous glands
	D.	hypodermis
	E.	dermis

The blood vessels nourishing a hair follicle are located in the ______________.

	A.	cortex of the hair
	B.	papilla of the hair
	C.	matrix of the cells
	D.	arrector pili
	E.	cuticle of the hair

Production of new hairs is the responsibility of the __________.

	A.	cuticle of the hair
	B.	cortex of the hair
	C.	arrector pili
	D.	papilla of the hair
	E.	matrix of cells

Which of the following is a nail bed component?

	A.	Nail papilla
	B.	Lunula
	C.	Medulla
	D.	All of the above
	E.

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