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A&P Theory - Skin

Total questions: 67

Worksheet time: 34mins

Name
Class
Date
1.

The skin consists of multiple layers and serves as a protective barrier, regulates temperature, and enables sensation. Which of the following best describes the structure and functions of the skin?

a)

It is composed of several layers, protects the body, regulates temperature, and allows sensation.

b)

It is a single layer that only covers the muscles.

c)

It is made entirely of fat and stores energy only.

d)

It is a hard, inflexible covering that prevents any sensation.

2.

Diseases and disorders of the skin include which of the following?

a)

Acne, eczema, psoriasis, and dermatitis

b)

Diabetes, hypertension, and asthma

c)

Arthritis, osteoporosis, and gout

d)

Bronchitis, pneumonia, and tuberculosis

3.

Natural ageing, lifestyle, and environmental factors can affect which aspects of the body?

a)

The condition of the skin and muscle tone

b)

Only the color of the eyes

c)

The length of the hair only

d)

The size of the bones

4.

What is the largest organ in the human body?

a)

Heart

b)

Liver

c)

Skin

d)

Lungs

5.

What are the three distinct layers of the skin?

a)

Epidermis, Dermis, Hypodermis or subcutaneous.

b)

Epidermis, Myometrium, Endometrium.

c)

Dermis, Pericardium, Myocardium.

d)

Epidermis, Cortex, Medulla.

6.

The surface of the skin is covered by an ________, which is a water in oil emulsion.

a)

acid mantle.

b)

sebaceous gland.

c)

sweat duct.

d)

epidermal layer.

7.

The emulsion on the skin is formed from a mixture of ________ and ________.

a)

sweat and sebum.

b)

water and salt.

c)

oil and dirt.

d)

keratin and collagen.

8.

The substances on the skin's surface make it slightly ________.

a)

Basic

b)

Acidic

c)

Neutral

d)

Salty

9.

The term used to describe the skin's surface acidity is known as ________.

a)

pH.

b)

Sebum.

c)

Keratin.

d)

Melanin.

10.

According to the diagram, what is the approximate pH of skin and hair?

a)

2

b)

5.5

c)

7

d)

12

11.

According to the diagram, hair depilatories are more alkaline than soap.

a)

True

b)

False

12.

Fill in the blank: A substance with a pH of 7 is considered _______.

a)

neutral

b)

acidic

c)

basic

d)

corrosive

13.

What is the alternative name for the Stratum Corneum layer of the epidermis?

a)

Horny layer

b)

Basal layer

c)

Granular layer

d)

Spiny layer

14.

What is the alternative name for the Stratum Lucidum layer of the epidermis?

a)

Clear layer

b)

Granular layer

c)

Spiny layer

d)

Basal layer

15.

What is the alternative name for the Stratum Granulosum layer of the epidermis?

a)

Granular layer

b)

Spiny layer

c)

Basal layer

d)

Horny layer

16.

What is the alternative name for the Stratum Spinosum layer of the epidermis?

a)

Prickle layer

b)

Granular layer

c)

Horny layer

d)

Basal layer

17.

What is the alternative name for the Stratum Germinativum layer of the epidermis?

a)

Basal layer

b)

Granular layer

c)

Spiny layer

d)

Horny layer

18.

Fill in the blank: The outermost layer of the epidermis is called the _________

a)

Stratum Corneum

b)

Stratum Basale

c)

Stratum Spinosum

d)

Stratum Granulosum

19.

Fill in the blank: The second layer of the epidermis from the top is called the _________.

a)

Stratum Lucidum

b)

Stratum Basale

c)

Stratum Spinosum

d)

Stratum Granulosum

20.

Fill in the blank: The third layer of the epidermis from the top is called the _________.

a)

Stratum Granulosum

b)

Stratum Corneum

c)

Stratum Spinosum

d)

Stratum Basale

21.

Fill in the blank: The fourth layer of the epidermis from the top is called the _________?

a)

Stratum Spinosum

b)

Stratum Corneum

c)

Stratum Basale

d)

Stratum Lucidum

22.

Fill in the blank: The deepest layer of the epidermis is called the _________.

a)

Stratum Germinativum

b)

Stratum Corneum

c)

Stratum Lucidum

d)

Stratum Granulosum

23.

Which of the following is the correct order of the layers of the epidermis from top to bottom?

a)

Stratum Corneum, Stratum Lucidum, Stratum Granulosum, Stratum Spinosum, Stratum Germinativum

b)

Stratum Germinativum, Stratum Spinosum, Stratum Granulosum, Stratum Lucidum, Stratum Corneum

c)

Stratum Lucidum, Stratum Corneum, Stratum Granulosum, Stratum Spinosum, Stratum Germinativum

d)

Stratum Spinosum, Stratum Granulosum, Stratum Lucidum, Stratum Corneum, Stratum Germinativum

24.
Question Image

Match the following layers of the epidermis to their correct position in the diagram:

a)

Stratum Corneum

1.

Topmost layer

b)

Stratum Lucidum

2.

Second layer from the top

c)

Stratum Granulosum

3.

Third layer from the top

d)

Stratum Spinosum

4.

Fourth layer from the top

e)

Stratum Germinativum

5.

Bottommost layer

25.

Fill in the blank: Melanocytes are ______ pigment cells.

a)

colour

b)

blood

c)

nerve

d)

fat

26.

Fill in the blank: The topmost layer of the epidermis is called the _________.

a)

Stratum Corneum

b)

Stratum Basale

c)

Stratum Spinosum

d)

Stratum Granulosum

27.

Fill in the blank: The second layer of the epidermis from the top is called the _________.

a)

Stratum Lucidum

b)

Stratum Corneum

c)

Stratum Basale

d)

Stratum Spinosum

28.

Fill in the blank: The third layer of the epidermis from the top is called the _________.

a)

Stratum Granulosum

b)

Stratum Corneum

c)

Stratum Spinosum

d)

Stratum Basale

29.

Fill in the blank: The fourth layer of the epidermis from the top is called the _________.

a)

Stratum Spinosum

b)

Stratum Corneum

c)

Stratum Lucidum

d)

Stratum Basale

30.

Fill in the blank: The bottommost layer of the epidermis is called the _________.

a)

Stratum Germinativum

b)

Stratum Corneum

c)

Stratum Lucidum

d)

Stratum Granulosum

31.

Each layer of the Epidermis is formed from a sheet of _______.

a)

cells

b)

bones

c)

muscles

d)

nerves

32.

The skin cells in the epidermis move _______ from the stratum germinativum to the stratum corneum.

a)

downwards

b)

sideways

c)

upwards

d)

in circles

33.

How long does the process of skin cells moving from the stratum germinativum to the stratum corneum take on average?

a)

10-20 days

b)

24-42 days

c)

50-60 days

d)

1-2 days

34.

Where is the epidermis thickest and thinnest?

a)

Thickest on the eyelids, thinnest on the soles of the feet

b)

Thickest on the soles of the feet, thinnest on the eyelids

c)

Thickest on the arms, thinnest on the legs

d)

Thickest on the back, thinnest on the chest

35.

What is the main protein formed in the epidermis?

a)

Keratin

b)

Collagen

c)

Elastin

d)

Myosin

36.

Which cells make up the majority of the cells in the epidermis?

a)

Melanocytes

b)

Keratinocytes

c)

Langerhans cells

d)

Merkel cells

37.

Keratinocytes produce (a)   .

Choose from the below words

Collagen

Keratin

Melanin

Elastin

38.

As a cell moves towards the skin’s surface, the amount of keratin increases as the cell _______.

a)

dies and becomes harder

b)

divides rapidly

c)

shrinks and becomes softer

d)

absorbs more water

39.

What is the function of melanocytes?

a)

They produce the pigment melanin which gives colour to the skin and hair.

b)

They transport oxygen in the blood.

c)

They help in digestion.

d)

They fight infections.

40.

Fill in the blank: Melanocytes are cells of connective tissue. They produce the pigment ______ which gives colour to the skin and hair.

a)

melanin

b)

keratin

c)

collagen

d)

elastin

41.

Which pigment gives colour to the skin and hair?

a)

Melanin

b)

Keratin

c)

Hemoglobin

d)

Chlorophyll

42.

Name three different skin tones shown in the diagram.

a)

Light, medium, and dark

b)

Blue, green, and yellow

c)

Red, orange, and purple

d)

White, black, and blue

43.

What is the function of Langerhans cells?

a)

Langerhans cells are specialised white blood cells which circulate in the skin. They move around by squeezing through the connective tissue. They alert the immune system’s pathogens in the skin. They also affect the skin’s reaction to infection and inflammation.

b)

Langerhans cells are responsible for producing melanin in the skin.

c)

Langerhans cells secrete sweat to regulate body temperature.

d)

Langerhans cells are involved in the synthesis of vitamin D in the skin.

44.

Langerhans cells affect the skin’s reaction to infection and inflammation.

a)

True

b)

False

45.

Fill in the blank: ________ cells are specialised white blood cells which circulate in the skin and alert the immune system’s pathogens in the skin.

a)

Langerhans

b)

Kupffer

c)

Schwann

d)

Goblet

46.

Identify the layer labeled as 'Granular layer' in the diagram of the skin structure.

a)

Granular layer

b)

Stratum corneum

c)

Basal layer

d)

Papillary layer

47.

Identify the cell labeled as 'Langerhans cell' in the diagram of the skin structure.

a)

Langerhans cell

b)

Melanocyte

c)

Keratinocyte

d)

Merkel cell

48.

Identify the layer labeled as 'Prickle cell layer' in the diagram of the skin structure.

a)

Prickle cell layer

b)

Stratum corneum

c)

Basal layer

d)

Granular layer

49.

Identify the layer labeled as 'Basal lamina' in the diagram of the skin structure.

a)

Basal lamina

b)

Stratum corneum

c)

Dermis

d)

Hypodermis

50.

Identify the tissue labeled as 'Connective tissue of dermis' in the diagram of the skin structure.

a)

Connective tissue of dermis

b)

Epidermis

c)

Adipose tissue

d)

Sweat gland

51.

Identify the cell labeled as 'Melanocyte' in the diagram of the skin structure.

a)

Melanocyte

b)

Keratinocyte

c)

Langerhans cell

d)

Merkel cell

52.

Identify the structure labeled as 'Sensory nerve terminal' in the diagram of the skin structure.

a)

Sensory nerve terminal

b)

Sebaceous gland

c)

Sweat duct

d)

Hair follicle

53.

Skin cells are produced in the stratum germinativum in a process called ________, which is cell division for growth and repair.

a)

mitosis

b)

osmosis

c)

meiosis

d)

diffusion

54.

The stratum germinativum contains which of the following cells?

a)

Keratinocytes and melanocytes

b)

Adipocytes and fibroblasts

c)

Langerhans cells and Merkel cells

d)

Osteocytes and chondrocytes

55.

80% of the moisture required for maintaining a healthy skin surface is found in which layer?

a)

Stratum corneum

b)

Stratum germinativum

c)

Stratum spinosum

d)

Stratum granulosum

56.

Keratin production begins in the ________ (prickle cell layer).

a)

Stratum spinosum

b)

Stratum corneum

c)

Stratum basale

d)

Stratum granulosum

57.

Which layer of the skin includes the Langerhans cells that help support our immune system?

a)

Stratum corneum

b)

Stratum granulosum

c)

Stratum spinosum

d)

Stratum basale

58.

About 90 percent of household dust is made up of what?

a)

Dead skin cells

b)

Pollen grains

c)

Sand particles

d)

Fabric fibers

59.

True or False: The stratum lucidum is present in all areas of the skin.

a)

True

b)

False

60.

What is the layer of skin that lies below the epidermis?

a)

The dermis

b)

The cuticle

c)

The hypodermis

d)

The stratum corneum

61.

Which of the following structures are found in the dermis?

a)

Blood vessels

b)

Sweat glands

c)

Sebaceous glands

d)

All of the above

62.

The dermis can be subdivided into how many layers?

a)

Two layers

b)

Three layers

c)

Four layers

d)

Five layers

63.

Name the two layers of the dermis.

a)

The papillary layer and the reticular layer

b)

The epidermal and subcutaneous layers

c)

The granular and corneal layers

d)

The sebaceous and sweat layers

64.

What is the upper layer of the dermis called?

a)

Papillary layer

b)

Reticular layer

c)

Epidermal layer

d)

Subcutaneous layer

65.

The papillary layer contains a vast supply of tiny capillary blood vessels delivering blood to which part of the epidermis?

a)

Stratum Corneum

b)

Stratum Germinativum

c)

Reticular Dermis

d)

Hypodermis

66.

Identify the papillary dermis in the given diagram of the skin layers.

a)

The papillary dermis is the layer labeled between the epidermis and the reticular dermis.

b)

The papillary dermis is the outermost layer of the epidermis.

c)

The papillary dermis is the deepest layer of the hypodermis.

d)

The papillary dermis is the layer containing the hair follicle bulb.

67.

Identify the part labeled as 'Papillary layer' in the given diagram of the skin.

a)

Papillary layer

b)

Reticular layer

c)

Stratum corneum

d)

Hypodermis

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