The Senses And Receptors

Question 1

Senses Types (2)

Answer 1

Somatic Senses and Special Senses

Question 2

Somatic Senses

Answer 2

General Senses (touch, pain, etc.)

Question 3

Special Senses

Answer 3

Vision, hearing, taste, equilibrium-5 Senses

All in the same area-head

Question 4

Sensory Receptors

Answer 4

Convert stimuli to nerve impulses

Question 5

Sensory Receptors Functions: (3)

Answer 5

Detect stimuli, conversion to neural impulse, and production of adaptive response

Question 6

Sensory Receptors Purposes: (3)

Answer 6

Produce sensations, avoid injury, and maintain homeostasis

Question 7

Sensory Receptors Characteristics: (2)

Answer 7

Specificity and adaptation

Question 8

Specificity: (Sensory Receptors)

Answer 8

Very specific to each receptor (touch, taste, smell, etc.)

Question 9

Adaptation: (Sensory Receptors)

Answer 9

Receptor potential decreases overtime (getting used to a smell in the room)

Question 10

Perception: (Sensory Receptors)

Answer 10

Cognitive process of taking info from a sensory receptor and understanding what is happening

Question 11

Two main Receptors:

Answer 11

Exteroceptors and Visceroceptors

Question 12

Exteroceptors or Cutaneous Receptors:

Answer 12

In skin layer (pain, touch, temperature, pressure, special Senses)

Question 13

Visceroceptors or Interoceptors

Answer 13

Internal, sometimes within organs, mediate hunger and thirst sensations

Question 14

Proprioceptors (specialized Visceroceptors)

Answer 14

In skeletal muscle, joints, and tendons, provides information

Question 15

Mechanoreceptors

Answer 15

Activated by mechanical stimuli (pressure, external or internal)

Question 16

Chemoreceptors

Answer 16

activated by increase or decrease in concentration of chemicals (CO2 in blood, or blood glucose)

Question 17

Thermoreceptors

Answer 17

Activated by increase or decrease in temperature (body temperature feedback loop)

Question 18

Nocioceptors

Answer 18

Activated by potential danger to tissues, response is pain (contact with hot surfaces)

Question 19

Photoreceptors

Answer 19

Activated by light found only in the eye

Question 20

Osmoreceptors

Answer 20

Activated by changes in body fluids and electrolytes (thirst)

Question 21

Free Nerve Endings

Answer 21

often dendritic knobs, can be exteroceptors or visceroceptors

Question 22

Nociocreptors Types (2)

Answer 22

Type A and Type B

Question 23

Type A

Answer 23

(fast) pain fibers, sharp pain or superficial pain

Question 24

Type B

Answer 24

(slow) pain fibers, dull or ache, visceral pain

Question 25

Encapsulated Nerve Endings

Answer 25

primarily mechanoreceptors, surrounded by connective tissue

Question 26

Referred Pain

Answer 26

having a pain in a certain area but its not the actual spot where pain is being caused (brain misinterprets pain and refers it to another area)

Question 27

Somatic Sensory Receptors

Answer 27

Exteroceptors

Question 28

Hair Root Plexus

Answer 28

touch, vibration (low frequency)

Question 29

Bulboid Corpuscle

Answer 29

texture senstation

Question 30

Bulbous Corpuscle

Answer 30

crude and persistent touch

Question 31

Lamellar Corpuscle

Answer 31

Deep pressure, high frequency vibrations, stretch

Question 32

Stretch Receptors (2)

Answer 32

Muscle Spindles and Golgi Tendon Organs

Question 33

Muscle Spindles

Answer 33

modified muscle fibers called intrafusal fibers

Question 34

Golgi Tendon Organs

Answer 34

located in tednon, muscle relaxation

Question 35

Types of Tactile Sensations (5)

Answer 35

Discriminative (light) touch, crude/persistent touch, texture, vibration, and deep pressure