Question 1

The substance called sebum is commonly known as

Accepted Answer

A) regular sweat. 
B) earwax. 
C) milk. 
D) skin oil. 
E) odiferous sweat. 
A) regular sweat. 
B) earwax. 
C) milk. 
D) skin oil. 
E) odiferous sweat.

Question 2

Describe a typical strand of hair.

Accepted Answer

A) A keratinous strand produced by basal cells within a hair follicle. 
B) A small connective tissue peg filled with blood vessels and nerves. 
C) A bundle of smooth muscles attached to a hair follicle. 
D) A layer of epithelial cells surrounding a deep layer of connective tissue. 
E) Many layers of dead,tightly compressed cells packed with keratin. 
A) A keratinous strand produced by basal cells within a hair follicle. 
B) A small connective tissue peg filled with blood vessels and nerves. 
C) A bundle of smooth muscles attached to a hair follicle. 
D) A layer of epithelial cells surrounding a deep layer of connective tissue. 
E) Many layers of dead,tightly compressed cells packed with keratin.

Question 3

Merocrine sweat glands

Accepted Answer

A) are compound alveolar glands. 
B) produce organic secretions that are metabolized by bacteria to produce body odor. 
C) secrete a watery fluid directly onto the surface of the skin. 
D) increase in number and activity with aging. 
E) primarily function in lubricating the hairs. 
A) are compound alveolar glands. 
B) produce organic secretions that are metabolized by bacteria to produce body odor. 
C) secrete a watery fluid directly onto the surface of the skin. 
D) increase in number and activity with aging. 
E) primarily function in lubricating the hairs.

Question 4

Why can skin regenerate effectively even after considerable damage?

Accepted Answer

Skin can regenerate effectively even aft

Question 5

The tough "horny" superficial layer of the epidermis is known as the

Accepted Answer

A) stratum corneum. 
B) stratum lucidum. 
C) stratum basale. 
D) stratum granulosum. 
E) stratum spinosum. 
A) stratum corneum. 
B) stratum lucidum. 
C) stratum basale. 
D) stratum granulosum. 
E) stratum spinosum.

Question 6

All of the following can be used in the management of severe burn except

Accepted Answer

A) antibiotics. 
B) fluid replacement. 
C) corticosteroids. 
D) skin graft. 
E) cell culture. 
A) antibiotics. 
B) fluid replacement. 
C) corticosteroids. 
D) skin graft. 
E) cell culture.

Question 7

From what layer of skin are melanosomes released?

Accepted Answer

A) stratum coneum 
B) stratum basale 
C) papillary layer of dermis 
D) reticular layer of dermis 
E) hypodermis 
A) stratum coneum 
B) stratum basale 
C) papillary layer of dermis 
D) reticular layer of dermis 
E) hypodermis

Question 8

Figure 5-1
-Which layer is the primary barrier against environmental hazards?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 9

Name the two pigments contained in the epidermis.

Accepted Answer

A) carotene and melatonin 
B) creatinine and melatonin 
C) carotene and melanin 
D) keratin and melanin 
E) carnitine and melanoma 
A) carotene and melatonin 
B) creatinine and melatonin 
C) carotene and melanin 
D) keratin and melanin 
E) carnitine and melanoma

Question 10

Deodorants are used to mask the effects of secretions from which type of skin gland?

Accepted Answer

A) apocrine sweat glands 
B) eccrine sweat glands 
C) merocrine sweat glands 
D) sebaceous glands 
E) mucous glands 
A) apocrine sweat glands 
B) eccrine sweat glands 
C) merocrine sweat glands 
D) sebaceous glands 
E) mucous glands

Question 11

Describe the layers of the dermis.

Accepted Answer

A) The superficial papillary layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons.The deep reticular layer contains dense irregular connective tissue with collagen and elastic fibers. 
B) The superficial reticular layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons.The deep papillary layer contains dense irregular connective tissue with collagen and elastic fibers. 
C) The superficial papillary layer contains dense irregular connective tissue with collagen and elastic fibers.The deep reticular layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons. 
D) The superficial reticular layer contains dense irregular connective tissue with collagen and elastic fibers.The deep papillary layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons. 
E) The superficial papillary layer contains stratified squamous epithelial tissue.The deep reticular layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons. 
A) The superficial papillary layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons.The deep reticular layer contains dense irregular connective tissue with collagen and elastic fibers. 
B) The superficial reticular layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons.The deep papillary layer contains dense irregular connective tissue with collagen and elastic fibers. 
C) The superficial papillary layer contains dense irregular connective tissue with collagen and elastic fibers.The deep reticular layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons. 
D) The superficial reticular layer contains dense irregular connective tissue with collagen and elastic fibers.The deep papillary layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons. 
E) The superficial papillary layer contains stratified squamous epithelial tissue.The deep reticular layer contains areolar tissue with capillaries,lymphatic vessels,and sensory neurons.

Question 12

The highest concentration of merocrine sweat glands is found

Accepted Answer

A) in the axillae. 
B) on the chest. 
C) on the palms of the hands. 
D) on the upper back. 
E) surrounding the genitals. 
A) in the axillae. 
B) on the chest. 
C) on the palms of the hands. 
D) on the upper back. 
E) surrounding the genitals.

Question 13

Granulation tissue is composed of

Accepted Answer

A) clotted blood. 
B) an extensive capillary network. 
C) fibroblasts. 
D) All of the answers are correct. 
A) clotted blood. 
B) an extensive capillary network. 
C) fibroblasts. 
D) All of the answers are correct.

Question 14

List some hormones that are necessary for maintaining a healthy integument.

Accepted Answer

A) growth hormone,mineralocorticoids,glucocorticoids,and melatonin 
B) ADH,oxytocin,and prolactin 
C) aldosterone,atrial natriuretic peptide,insulin,and glucagon 
D) growth hormone,sex hormones,growth factors,glucocorticoids,and thyroid hormones 
E) sex hormones,mineralocorticoids,gonadocorticoids,and calcitonin 
A) growth hormone,mineralocorticoids,glucocorticoids,and melatonin 
B) ADH,oxytocin,and prolactin 
C) aldosterone,atrial natriuretic peptide,insulin,and glucagon 
D) growth hormone,sex hormones,growth factors,glucocorticoids,and thyroid hormones 
E) sex hormones,mineralocorticoids,gonadocorticoids,and calcitonin

Question 15

All of the following are true of the pigment melanin except that it

Accepted Answer

A) decreases in concentration within cells during exposure to the sun. 
B) is usually some shade of brown or black. 
C) protects DNA from the damaging effects of UV radiation. 
D) is released through melanosomes. 
E) is produced by cells called melanocytes. 
A) decreases in concentration within cells during exposure to the sun. 
B) is usually some shade of brown or black. 
C) protects DNA from the damaging effects of UV radiation. 
D) is released through melanosomes. 
E) is produced by cells called melanocytes.

Question 16

If the epidermis,dermis,and part of hypodermis are burned,it is classified as

Accepted Answer

A) first degree. 
B) second degree. 
C) partial thickness. 
D) full thickness. 
E) none of the choices. 
A) first degree. 
B) second degree. 
C) partial thickness. 
D) full thickness. 
E) none of the choices.

Question 17

From what structure does merocrine secretion occur?

Accepted Answer

A) ceruminous gland 
B) mammary gland 
C) apocrine sweat gland 
D) sebaceous gland 
E) eccrine sweat gland 
A) ceruminous gland 
B) mammary gland 
C) apocrine sweat gland 
D) sebaceous gland 
E) eccrine sweat gland

Question 18

Provide one beneficial effect of exposure to ultraviolet (UV)radiation.

Accepted Answer

It stimula

Question 19

________ are fine hairs that lack pigment and cover much of the body surface.

Accepted Answer

A) Vellus hairs 
B) Velvet hairs 
C) Follicular hairs 
D) Terminal hairs 
A) Vellus hairs 
B) Velvet hairs 
C) Follicular hairs 
D) Terminal hairs

Question 20

Why does hair turn white or gray with age?

Accepted Answer

A) The hair is no longer producing carotene. 
B) The keratinocytes have been damaged. 
C) Sebaceous gland activity increases,making the hair well lubricated during growth and turning it white or gray. 
D) The epidermis is dividing faster,making the hair white or gray. 
E) The melanocyte activity declines,making the hair white or gray. 
A) The hair is no longer producing carotene. 
B) The keratinocytes have been damaged. 
C) Sebaceous gland activity increases,making the hair well lubricated during growth and turning it white or gray. 
D) The epidermis is dividing faster,making the hair white or gray. 
E) The melanocyte activity declines,making the hair white or gray.

Exam 5: The Integumentary System

The substance called sebum is commonly known as

Describe a typical strand of hair.

Merocrine sweat glands

Why can skin regenerate effectively even after considerable damage?

The tough "horny" superficial layer of the epidermis is known as the

All of the following can be used in the management of severe burn except

From what layer of skin are melanosomes released?

Figure 5-1 -Which layer is the primary barrier against environmental hazards?

Name the two pigments contained in the epidermis.

Deodorants are used to mask the effects of secretions from which type of skin gland?

Describe the layers of the dermis.

The highest concentration of merocrine sweat glands is found

Granulation tissue is composed of

List some hormones that are necessary for maintaining a healthy integument.

All of the following are true of the pigment melanin except that it

If the epidermis,dermis,and part of hypodermis are burned,it is classified as

From what structure does merocrine secretion occur?

Provide one beneficial effect of exposure to ultraviolet (UV)radiation.

________ are fine hairs that lack pigment and cover much of the body surface.

Why does hair turn white or gray with age?

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters