A&P - Chapter 23 (Part 2)

Question 1

What are proprioceptors?

Answer 1

A special type of interceptor/visceroceptor

Question 2

Where is the location of proprioceptors? (3)

Answer 2

1. Skeletal muscles
2. Joint capsules
3. Tendons

Question 3

What do proprioceptors do? (3)

Answer 3

1. Provide information on body movement
2. Orientation in space
3. Muscle strength

Question 4

What are the 2 types of proprioceptors?

Answer 4

1. Tonic

2. Phasic

Question 5

What do tonic proprioceptors do?

Answer 5

They provide positional information on the body or the body part at rest

Question 6

What do phasic proprioceptors do?

Answer 6

They provide positional information on the body or the body part during movement

Question 7

How are mechanoreceptors activated?

Answer 7

When deformed

Question 8

How are chemoreceptors activated?

Answer 8

By certain chemicals

Question 9

What are 2 examples of chemoreceptors?

Answer 9

1. Taste

2. Smell

Question 10

What are thermoreceptors activated by?

Answer 10

Changes in temperature

Question 11

What are nociceptors activated by?

Answer 11

An intense stimuli that may damage tissue

Question 12

What sensation do you get from nociceptors?

Answer 12

Pain

Question 13

Where are photoreceptors found?

Answer 13

Only in the eye

Question 14

What do photoreceptors respond to?

Answer 14

Light stimuli

Question 15

Where are osmoreceptors concentrated?

Answer 15

In the hypothalamus

Question 16

What are osmoreceptors activated by?

Answer 16

Changes in concentration of electrolytes (osmolarity) in extracellular fluids

Question 17

What receptor is involved in a thirst mechanism?

Answer 17

Osmoreceptors

Question 18

What is the most common and widely distributed sensory receptor?

Answer 18

Free nerve ending receptors

Question 19

Where are free nerve ending receptors located? (2)

Answer 19

1. On the surface of the body
   - extereceptors
2. Deep in visceral organs
   - interoceptors/visceroceptors

Question 20

What do free nerve ending receptors detect? (3)

Answer 20

1. Pain
2. Tempture
3. Tactile sensation
   - touch

Question 21

What does the encapsulated nerve ending structure include?

Answer 21

Some type of connective tissue capsule that surrounds dendritic end of the receptor`

Question 22

How are encapsulated nerve endings most often activated?

Answer 22

By a mechanical (deforming) type of stimulus

Question 23

What do encapsulated nerve endings vary in? (4)

Answer 23

1. Size
2. Structure
3. Numbers
4. Distribution

Question 24

How many types of encapsulated nerve ending receptors are there?

Answer 24

6

Question 25

How many subdivided categories are there for encapsulated nerve ending receptors?

Answer 25

2

Question 26

What are the 2 subdivided categories for encalculated nerve ending receptors?

Answer 26

1. Touch and pressure receptors

2. Stretch receptors

Question 27

What are the general senses? (4)

Answer 27

1. Pain
2. Temperature
3. Touch
4. Proprioception

Question 28

What are 2 types of pain?

Answer 28

1. Acute
   - fast (short lived)
2. Chronic
   - slow (last a long time)

Question 29

What are 5 examples of touch?

Answer 29

1. Skin movement
2. Itch
3. Tickle
4. Light touch
5. Deep touch