Question 1

The region of skin that provides a tough barrier against pathogens and trauma is the:

Accepted Answer

A) subcutaneous layer. 
B) dermis. 
C) hypodermis. 
D) epidermis.

Question 2

Melanin is produced upon exposure to:

Accepted Answer

A) cold. 
B) UV radiation. 
C) wind. 
D) heat.

Question 3

Explain why the skin appears tanned,or darker,after spending time in the sun.

Accepted Answer

The answer of Explain why the skin appears tanned,or darker,after...

Question 4

What vitamin is synthesized by the skin? Explain why this vitamin is critical for various physiological processes.

Accepted Answer

The answer of What vitamin is synthesized by the skin?...

Question 5

The papillary layer of the dermis consists of loose connective tissue that is built for warmth and insulation.

Accepted Answer

A) True 
 B)False

Question 6

Why are eyelashes shorter than terminal hairs on the scalp?

Accepted Answer

A) The growth stage of an eyelash is shorter. 
B) The vascular supply of the eyebrow follicle is much less than that of the hair follicle on the scalp. 
C) Eyelashes grow slower than terminal hairs. 
D) Hormones in the eyebrow follicle turn off growth after it has reached a predetermined length.

Question 7

Frequent handwashing removes the antimicrobial secretions of:

Accepted Answer

A) ceruminous glands. 
B) holocrine glands. 
C) sweat glands. 
D) sebaceous glands.

Question 8

Explain how the secretions of eccrine sweat glands differ from those of the apocrine sweat glands.

Accepted Answer

The answer of Explain how the secretions of eccrine sweat...

Question 9

Carotene and hemoglobin are two pigments that contribute to skin color in minor ways.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) Evaporative cooling decreases. 
B) Sweat gland activity decreases. 
C) The activity of melanocytes increases. 
D) Blood flow to the dermis increases.

Question 11

Thick skin lacks:

Accepted Answer

A) sweat glands. 
B) hair follicles. 
C) stratum lucidum. 
D) stratum granulosum.

Question 12

The nail body covers the:

Accepted Answer

A) cuticle. 
B) lunula. 
C) nail bed. 
D) nail root.

Question 13

What does cyanosis signify?

Accepted Answer

A) A person has been exposed to cyanide. 
B) A person has been exposed to too much sun. 
C) A person has oxygen-starved skin. 
D) A person has been kept out of the sun.

Question 14

How do vellus hairs differ from terminal hairs?

Accepted Answer

The answer of How do vellus hairs differ from terminal...

Question 15

Society values cleanliness as evidenced by our frequent washing,and the volume of creams,conditioners,lotions,and moisturizers we buy.What secretion are we removing with frequent washing and why is that secretion important for the skin?

Accepted Answer

The answer of Society values cleanliness as evidenced by our...

Question 16

What type of intercellular junction bands together adjacent cells,making the epidermis stronger?

Accepted Answer

A) occluding junction 
B) tight junction 
C) gap junction 
D) desmosome

Question 17

Thomas is deaf,but can feel the vibrations of music through sensory receptors in his skin called:

Accepted Answer

A) tactile (Meissner)corpuscles. 
B) Merkel cells. 
C) lamellated (Pacinian)corpuscles. 
D) dermal papillae.

Question 18

Amy works in a clinic and has several patients arrive with burns.Describe how she can distinguish between the first-degree and second-degree burns.Who should she treat first?

Accepted Answer

The answer of Amy works in a clinic and has...

Question 19

The rule of nines is used to distinguish the various types of skin cancers from one another.

Accepted Answer

A) True 
 B)False

Question 20

Extreme stretching of the reticular layer of the dermis results in tension,or cleavage,lines.

Accepted Answer

A) True 
 B)False

Exam 5: The Integumentary System

The region of skin that provides a tough barrier against pathogens and trauma is the:

Melanin is produced upon exposure to:

Explain why the skin appears tanned,or darker,after spending time in the sun.

What vitamin is synthesized by the skin? Explain why this vitamin is critical for various physiological processes.

The papillary layer of the dermis consists of loose connective tissue that is built for warmth and insulation.

Why are eyelashes shorter than terminal hairs on the scalp?

Frequent handwashing removes the antimicrobial secretions of:

Explain how the secretions of eccrine sweat glands differ from those of the apocrine sweat glands.

Carotene and hemoglobin are two pigments that contribute to skin color in minor ways.

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

Thick skin lacks:

The nail body covers the:

What does cyanosis signify?

How do vellus hairs differ from terminal hairs?

Society values cleanliness as evidenced by our frequent washing,and the volume of creams,conditioners,lotions,and moisturizers we buy.What secretion are we removing with frequent washing and why is that secretion important for the skin?

What type of intercellular junction bands together adjacent cells,making the epidermis stronger?

Thomas is deaf,but can feel the vibrations of music through sensory receptors in his skin called:

Amy works in a clinic and has several patients arrive with burns.Describe how she can distinguish between the first-degree and second-degree burns.Who should she treat first?

The rule of nines is used to distinguish the various types of skin cancers from one another.

Extreme stretching of the reticular layer of the dermis results in tension,or cleavage,lines.