Chapter 10 - The Nervous System: Sensory Systems

Question 1

detect stimuli that arise within the body

Answer 1

visceral receptors

Question 2

detect stimuli in the external environment

Answer 2

sensory receptors

Question 3

visceral receptors that monitor O2, CO2, and H+ levels in the blood

Answer 3

chemoreceptors

Question 4

visceral receptors that monitor blood pressure

Answer 4

baroreceptors

Question 5

visceral receptors that monitor the degree of stretch or distention

Answer 5

mechanoreceptors

Question 6

Where are mechanoreceptors located?

Answer 6

in the gastrointestinal tract

Question 7

branch of the nervous system associated with perception of somatic sensations; associated with receptors in the skin and proprioception

Answer 7

somatosensory system

Question 8

sensations that arise from receptors in the skin

Answer 8

somesthetic sensations

Question 9

the perception of the positions of the limbs and the body

Answer 9

proprioception

Question 10

What are the five special senses?

Answer 10

1. vision
2. olfaction
3. taste
4. hearing
5. equilibrium

Question 11

specialized structures that detect a specific form of energy in the internal or external environment

Answer 11

sensory receptors

Question 12

the energy form of a stimulus

Answer 12

modality

Question 13

Light waves, sound waves, pressure, temperature, and chemicals are examples of _____.

Answer 13

modalities

Question 14

a given sensory receptor is specific for each modality

Answer 14

law of specific nerve energies

Question 15

the modality to which a receptor responds best

Answer 15

adequate stimulus

Question 16

The function of sensory receptors is _____.

Answer 16

transduction

Question 17

conversion of one form of energy into another

Answer 17

transduction

Question 18

graded potential caused by the opening and closing of ion channels or sensory receptors, and triggered by sensory stimuli

Answer 18

receptor potential

Question 19

Receptor potentials are also called _____.

Answer 19

generator potentials

Question 20

Unlike postsynaptic potentials, which are triggered by the binding of neurotransmitter to receptors, receptor potentials are triggered by _____.

Answer 20

sensory stimuli