Integumentary System

Question 1

functions of the integumentary system

Answer 1

Protection, Thermoregulation, Hydroregulation, Sensation, Synthesis, Cutaneous absoption, excretion

Question 2

Which of the following statements about the skin is correct?

1) The dermis is deep and has 2 layers
2) The dermis is superficial and has 5 layers
3) The epidermis is superficial and has 2 layers
4) The epidermis is deep and has 5 layers

Answer 2

The dermis is deep and has 2 layers

Question 3

Which of the following is not found in the epidermis?

Blood vessels
Melanocyte
Langerhan cells
Keratinocyte

Answer 3

Blood Vessels

Question 4

The layer of skin that contains a high number of blood vessels, as well as elastic and collagen fibers is the ____________.

Answer 4

Dermis

Question 5

Which of the following is not found in the dermis?

Sensory receptors
Nerves
Langerhan cells
Sebaceous gland

Answer 5

Langerhan Cells

Question 6

Which of the following correctly describes the functions of the epidermis?

1) Physical barrier, waterproofing, and sweat production
2) Sensation, waterproofing, and sebum production
3) Physical barrier, biological barrier, and waterproofing
4) Sweat production, sebum production, and sensation

Answer 6

Physical barrier, biological barrier, and waterproofing

Question 7

Correct order of the layers of the epidermis from the deepest to the most superficial

Answer 7

Stratum basale, stratum spinous, stratum granulosum, stratum lucid, stratum corneum

Question 8

Which layer of the epidermis contains flattened polygonal cells?

Answer 8

Stratum granulosum: The keratinocytes are flattened and polygonal in shape

Question 9

Which part of the skin contains melanocytes?

Answer 9

Stratum basale (germinativum)

Question 10

The dark pigment which protects us from UV rays is___________.

Answer 10

Melanin

Question 11

What connects the skin to the superficial muscles?

Answer 11

Hypodermis

Question 12

Which of the following statements concerning eccrine sweat glands is incorrect?

1.- They are found in auditory canal
2.- They are responsible for thermoregulation
3.- They produces clear sweat
4.- They are the most common type of sweat gland

Answer 12

They are found in auditory canal

Question 13

Apocrine sweat glands____________.

Answer 13

become active during puberty

Question 14

What is the function of the ceruminous gland?

Answer 14

To protect the outer ear

Question 15

Sebaceous glands are absent in the __________.

Answer 15

Palms

Question 16

Fingernails are rich in a protein called ________.

Answer 16

Keratin

Question 17

A doctor examining whether a mole has transformed into a melanoma checks for the following:

Answer 17

Asymmetry, border, color, diameter and evolution

Question 18

People with albinism are prone to skin cancer because ___________.

Answer 18

They lack melanin

Question 19

Which part of the body is likely to have a thin layer of stratum corneum?

Answer 19

Eyelid