Sensory Receptors

Question 1

What is the function of Meissner’s corpuscle?

Answer 1

Detects light touch, found in hairless skin (hands, feet, lips, external genitals).

Question 2

Which sensory receptor is responsible for detecting light touch?
A) Pacinian corpuscle
B) Ruffini corpuscle
C) Meissner’s corpuscle
D) Merkel disc

Answer 2

C) Meissner’s corpuscle

Question 3

Where are Pacinian corpuscles primarily located?
A) Only in the fingertips
B) In the dermis, subcutaneous layer, and deeper regions like muscles
C) Only in hair follicles
D) In the epidermis

Answer 3

B) In the dermis, subcutaneous layer, and deeper regions like muscles

Question 4

Which receptor is responsible for detecting pain?
A) Meissner’s corpuscle
B) Pacinian corpuscle
C) Nociceptor
D) Ruffini corpuscle

Answer 4

C) Nociceptor

Question 5

The Merkel disc is best at detecting:
A) Vibration
B) Fast touch
C) Slow-adapting touch
D) Stretch

Answer 5

C) Slow-adapting touch

Question 6

Ruffini corpuscles are found in which locations?
A) Hair follicles
B) Fingertips
C) Hands and soles of feet
D) Subcutaneous fat

Answer 6

C) Hands and soles of feet

Question 7

Which receptor is an unencapsulated free nerve ending?
A) Meissner’s corpuscle
B) Merkel disc
C) Pacinian corpuscle
D) Ruffini corpuscle

Answer 7

B) Merkel disc

Question 8

Which receptor is wrapped around a hair follicle?
A) Meissner’s corpuscle
B) Ruffini corpuscle
C) Root hair plexus
D) Merkel disc

Answer 8

C) Root hair plexus

Question 9

What type of receptor is responsible for detecting stretching of the skin?
A) Pacinian corpuscle
B) Ruffini corpuscle
C) Meissner’s corpuscle
D) Nociceptor

Answer 9

B) Ruffini corpuscle

Question 10

Which receptor is egg-shaped and found in the dermis of hairless skin?
A) Merkel disc
B) Meissner’s corpuscle
C) Pacinian corpuscle
D) Nociceptor

Answer 10

B) Meissner’s corpuscle

Question 11

What is the primary function of the root hair plexus?

Answer 11

B) Detects movement of hair

Question 12

Why do Meissner’s corpuscles adapt quickly to touch stimuli?
A) They are located deep in the dermis
B) They are unencapsulated, allowing direct nerve stimulation
C) They are encapsulated and respond to dynamic changes in touch
D) They contain melanocytes that process sensory input

Answer 12

C) They are encapsulated and respond to dynamic changes in touch

Question 13

What is the root hair plexus responsible for?

Answer 13

Detecting hair movement, located around hair follicles.

Question 14

What is the function of Ruffini corpuscles?

Answer 14

Detect skin stretching, found in hands and soles of feet

Question 15

Which receptor detects pain and extreme temperatures?

Answer 15

Nociceptors 🔥⚡, found in epidermis and mucous membranes.