Chapter 16 Flashcards Preview

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Flashcards in Chapter 16 Deck (30)
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1
Q

Nervous system structures that detect stimuli to provide information about internal and external environments

A

Sensory receptors

2
Q

Convert stimulus energy into electrical energy

A

Transducers

3
Q

Contain channels that open in response to stimuli other than neurotransmitters or voltage change

A

Modality gated channels

4
Q

Stimulus we are conscious of

A

Sensation

5
Q

Form of stimulus

A

Modality

6
Q

What is modality determined by?

A

Area of brain signal is sent, route of transmission

7
Q

Detect chemicals

A

Chemoreceptors

8
Q

What are chemoreceptors used for?

A

Gustation, olfaction, concentration of molecules in internal fluids

9
Q

Respond to distortion in plasma membrane

A

Mechanoreceptor

10
Q

What are mechanoreceptors used for?

A

Touch, pressure, vibration, proprioception, equilibrium, stretch of organs

11
Q

Detects change in temperature

A

Thermoreceptors

12
Q

Where are thermoreceptors located?

A

Skin, hypothalamus

13
Q

Light receptors in retina of the eye

A

Photoreceptors

14
Q

What are the 2 types of photoreceptors?

A

Rods and cones

15
Q

Dim-light and peripheral vision receptors

A

Rods

16
Q

Color receptors

A

Cones

17
Q

Respond to pain

A

Nocioceptors

18
Q

Where on the body or environment the stimulus is originating

A

Location

19
Q

Area of single neurons detection

A

Receptive field

20
Q

Smaller receptive field = ____ precise the perception

A

More

21
Q

How strong the stimulus is

A

Intensity

22
Q

How long stimulus is present

A

Duration

23
Q

Slow/limited adaptation

A

Tonic

24
Q

What are some examples of tonic receptors?

A

Pain, light, proprioception

25
Q

Fast adaptation

A

Phasic

26
Q

What are some examples of phasic receptors?

A

Pressure, temperature

27
Q

What are the 2 classifications of sensory receptors?

A

General and special

28
Q

Located on skin and joints; provides information about pressure, pain, temperature, vibration, proprioception

A

Somatic

29
Q

Located in walls of internal organs; provides information about smooth muscle, chemical changes, temperature, and pain

A

Visceral

30
Q

Located in specialized locations in the head for senses such as smell, taste, hearing, balance

A

Special senses