Question 1

Figure 5-1 The Components of the Integumentary System
Use Figure 5-1 to answer the following questions:
-Which layer contains most of the accessory structures?

Accepted Answer

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

Question 2

A fibrin clot that is formed over a skin wound is called a(n)________.

Accepted Answer

scab

Question 3

Variations in hair color reflect differences in the pigment produced by

Accepted Answer

A) keratinocytes. 
B) melanocytes. 
C) dermal papillae. 
D) soft keratin. 
E) carotene cells. 
A) keratinocytes. 
B) melanocytes. 
C) dermal papillae. 
D) soft keratin. 
E) carotene cells. B

Question 4

The drug ________ increases dermal blood flow and makes the skin red.

Accepted Answer

The answer of The drug ________ increases dermal blood flow...

Question 5

If a fair-skinned person is sunburned,why does his or her skin turn red?

Accepted Answer

A) The blood flow to the skin increases. 
B) The number of red melanocytes in the skin increases. 
C) Melanocytes increase production of red pigments. 
D) The blood supply to the skin decreases. 
E) Increased heat causes the skin to turn red. 
A) The blood flow to the skin increases. 
B) The number of red melanocytes in the skin increases. 
C) Melanocytes increase production of red pigments. 
D) The blood supply to the skin decreases. 
E) Increased heat causes the skin to turn red.

Question 6

The layer of the epidermis that contains abundant desmosomes is the

Accepted Answer

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

Question 7

Which of the following statements about rickets is not true?

Accepted Answer

A) is usually genetic 
B) leads to weak bones 
C) leads to skeletal deformity 
D) prevented by vitamin D 
E) prevented by sunlight 
A) is usually genetic 
B) leads to weak bones 
C) leads to skeletal deformity 
D) prevented by vitamin D 
E) prevented by sunlight

Question 8

A common cause of dandruff is

Accepted Answer

A) inflammation around sebaceous glands. 
B) lack of sebaceous glands. 
C) too many sebaceous glands. 
D) inactive apocrine glands. 
E) inactive eccrine glands. 
A) inflammation around sebaceous glands. 
B) lack of sebaceous glands. 
C) too many sebaceous glands. 
D) inactive apocrine glands. 
E) inactive eccrine glands.

Question 9

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 10

Water loss from insensible perspiration

Accepted Answer

A) is negligible. 
B) is too small to be measured reliably. 
C) is approximately 0.5 liters a day. 
D) always exceeds sensible perspiration. 
E) depends on apocrine sweat glands. 
A) is negligible. 
B) is too small to be measured reliably. 
C) is approximately 0.5 liters a day. 
D) always exceeds sensible perspiration. 
E) depends on apocrine sweat glands.

Question 11

Figure 5-1 The Components of the Integumentary System
Use Figure 5-1 to answer the following questions:
-From what structure does sensible perspiration occur?

Accepted Answer

A) 6 
B) 7 
C) 8 
D) 9 
E) 10 
A) 6 
B) 7 
C) 8 
D) 9 
E) 10

Question 12

Thin skin contains ________ layer(s)of keratinocytes,and thick skin contains ________ layers.

Accepted Answer

A) 1; 2 
B) 2; 3 
C) 3; 4 
D) 4; 5 
E) 5; 6 
A) 1; 2 
B) 2; 3 
C) 3; 4 
D) 4; 5 
E) 5; 6

Question 13

Exposure to ultraviolet light (sunlight)causes the skin to darken by increasing the production of

Accepted Answer

A) hemoglobin. 
B)  carotene. 
C)  collagen. 
D)  keratin. 
E)  melanin. 
A) hemoglobin. 
B)  carotene. 
C)  collagen. 
D)  keratin. 
E)  melanin.

Question 14

Characteristics of the epidermis include:

Accepted Answer

A) multilayered 
B) flexible 
C) contains desmosomes 
D) serves as UV radiation protection 
E) All of the answers are correct. 
A) multilayered 
B) flexible 
C) contains desmosomes 
D) serves as UV radiation protection 
E) All of the answers are correct.

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 produced from the amino acid tyrosine. 
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 produced from the amino acid tyrosine. 
E) is produced by cells called melanocytes.

Question 16

A new mother notices that her 6-month-old infant has a yellow-orange complexion.Fearful that the child may have jaundice,she takes him to her pediatrician.After examining the child and learning about the infant's diet,the pediatrician declares him perfectly healthy and advises the mother to watch the child's diet.What is likely the cause for the change in skin color?

Accepted Answer

The infant probably has a fondness for v

Question 17

The primary pigments contained in the epidermis are

Accepted Answer

A) carotene and xanthophyll. 
B) carotene and melanin. 
C) melanin and chlorophyll. 
D) xanthophyll and melanin. 
E) melanin and chromatin. 
A) carotene and xanthophyll. 
B) carotene and melanin. 
C) melanin and chlorophyll. 
D) xanthophyll and melanin. 
E) melanin and chromatin.

Question 18

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin.These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet.Why?

Accepted Answer

Thick skin slows the rate of diffusion o

Question 19

Which of the following happens if body temperature rises above normal?

Accepted Answer

A) Circulation in the skin decreases. 
B) Sweat gland activity decreases. 
C) Evaporative cooling stops. 
D) Blood flow to the skin increases. 
E) The activity of melanocytes increases. 
A) Circulation in the skin decreases. 
B) Sweat gland activity decreases. 
C) Evaporative cooling stops. 
D) Blood flow to the skin increases. 
E) The activity of melanocytes increases.

Question 20

Merocrine sweat contains ________ to protect against bacteria.

Accepted Answer

A) metabolic wastes 
B) water 
C) penicillin 
D) dermicidin 
E) organic nutrients 
A) metabolic wastes 
B) water 
C) penicillin 
D) dermicidin 
E) organic nutrients

Exam 5: The Integumentary System

Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following questions: -Which layer contains most of the accessory structures?

A fibrin clot that is formed over a skin wound is called a(n)________.

Variations in hair color reflect differences in the pigment produced by

The drug ________ increases dermal blood flow and makes the skin red.

If a fair-skinned person is sunburned,why does his or her skin turn red?

The layer of the epidermis that contains abundant desmosomes is the

Which of the following statements about rickets is not true?

A common cause of dandruff is

The highest concentration of merocrine sweat glands is found

Water loss from insensible perspiration

Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following questions: -From what structure does sensible perspiration occur?

Thin skin contains ________ layer(s)of keratinocytes,and thick skin contains ________ layers.

Exposure to ultraviolet light (sunlight)causes the skin to darken by increasing the production of

Characteristics of the epidermis include:

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

The primary pigments contained in the epidermis are

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin.These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet.Why?

Which of the following happens if body temperature rises above normal?

Merocrine sweat contains ________ to protect against bacteria.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Thin skin contains layer(s)of keratinocytes,and thick skin contains layers.