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Examination of skin receptors

Total questions: 29

Worksheet time: 15mins

Name
Class
Date
1.

Which layer of the skin is avascular?

a)

Dermis

b)

Hypodermis

c)

Epidermis

d)

Subcutaneous tissue

2.

Which type of skin receptor is responsible for detecting deep pressure and high-frequency vibration?

a)

Meissner’s corpuscles

b)

Merkel discs’

c)

Pacinian corpuscles

d)

Ruffini endings

3.

Which of the following receptors is slowly adapting and located in the basal epidermis?

a)

Meissner’s corpuscles

b)

Merkel disc’s

c)

Pacinian corpuscles

d)

Free nerve endings

4.

The skin originates from which two embryonic layers?

a)

Ectoderm and endoderm

b)

Mesoderm and Ectoderm

c)

Ectoderm and Hypodermis

d)

Mesoderm and Endoderm

5.

Which function of the skin helps in maintaining body temperature ?

a)

Protective

b)

Sensory

c)

Thermoregulatory

d)

Metabolic

6.

What is the primary role of free nerve endings in the skin?

a)

Detecting vibration

b)

Sensing deep pressure

c)

Detecting pain and temperature

d)

Sensing hair movement

7.

Which of the following skin receptors is found in thick, hairless skin like finger pads?

a)

Krause end bulbs

b)

Pacinian corpuscles

c)

Meissner’s corpuscles

d)

Ruffini endings

8.

What type of sensory receptor detects cold temperatures below 15°c?

a)

Ruffini corpuscles

b)

Pacinian corpuscles

c)

Krause end bulbs

d)

Merkel disc’s

9.

What is the outermost layer of the epidermis?

a)

Stratum basale

b)

Stratum spinosum

c)

Stratum granulosum

d)

Stratum corneum

10.

Which skin function is involved in vitamin D synthesis?

a)

Protective

b)

Metabolic

c)

Sensory

d)

Immunological

11.

Which type of receptor is responsible for detecting skin stretch and sustained pressure?

a)

Ruffini endings

b)

Merkel disc’s

c)

Meissner’s corpuscles

d)

Krause end bulbs

12.

Which skin layer contains most of the mechanoreceptors?

a)

Epidermis

b)

Dermis

c)

Hypodermis

d)

Stratum corneum

13.

What type of sensory adaptation do Meissner’s corpuscles exhibit?

a)

Slowly adapting

b)

Rapidly adapting

c)

Non-adapting

d)

Moderately adapting

14.

Which of these skin functions contributes to detoxification?

a)

Vitamin D synthesis

b)

Light protection

c)

Hair growth

d)

Sweating

15.

Where are Pacinian corpuscles primarily located?

a)

Stratum basale

b)

Papillary dermis

c)

Reticular dermis

d)

Hypodermis

16.

Which type of skin sensory receptor is activated by irritating chemicals and injury?

a)

Mechanoreceptors

b)

Thermoreceptors

c)

Nociceptors

d)

Photoreceptors

17.

Which sensory receptors are involved in proprioception?

a)

Joint capsule receptors

b)

Merkel disc’s

c)

Free nerve endings

d)

Meissner’s corpuscles

18.

What role do Langerhans cells play in the skin?

a)

Sensation

b)

Heat regulation

c)

Immune surveillance

d)

Pigmentation

19.

Which structure is responsible for piloerection (goosebumps)?

a)

Sebaceous gland

b)

Sweat gland

c)

Hair root plexus

d)

Arrector Pili muscle

20.

The sensation of tickling is most closely associated with which receptors?

a)

Pacinian corpuscles

b)

Merkel disc’s

c)

Meissner’s corpuscles

d)

Free nerve endings

21.

What differentiates Type I and type II mechanoreceptors?

a)

Surface coverage area

b)

Receptor location

c)

Stimulus type

d)

Receptor speed

22.

Which corpuscle is found in mucocutaneous junctions and synovial membranes?

a)

Ruffini corpuscle

b)

Krause end bulb

c)

Meissner’s corpuscle

d)

Merkel disc’s

23.

Which part of the brain interprets touch and pressure signals from the skin?

a)

Occipital lobe

b)

Temporal lobe

c)

Parietal lobe

d)

Frontal lobe

24.

Which of the following is NOT a function of the skin?

a)

Energy production

b)

Sensory reception

c)

Vitamin D synthesis

d)

Protection

25.

Where are Meissner’s corpuscles located?

a)

Papillary dermis

b)

Reticular dermis

c)

Hypodermis

d)

Stratum granulosum

26.

What is the primary stimulus for Merkel discs?

a)

Light touch

b)

Heat

c)

Mintained pressure

d)

Vibration

27.

What are thermorecptors with low threshold mainly sensitive to?

a)

Temperature changes

b)

Deep pressure

c)

Chemical irritants

d)

Skin stretch

28.

Which of the following structures is primarily involved in touch perception?

a)

Sweat gland

b)

Arrector Pili muscle

c)

Hair root plexus

d)

Sebaceous gland

29.

Which layer of skin contains connective tissue, blood vessels and most receptors?

a)

Stratum basale

b)

Dermis

c)

Epidermis

d)

Stratum corneum