Chapter 14

Question 1

Various classifications of sensory receptors

based upon types

Answer 1

mechano receptors

chemoreceptors

thermoreceptors

photoreceptors

Nocireceptorsy

Question 2

Various classifications of sensory receptors

Based upon location

Answer 2

Cutaneous receptors

Visceral receptors

Proprioreceptors

Question 3

Various classifications of sensory receptors

Based upon structure (see table 14.2)

Answer 3

Free nerve endings

Merkel’s discs

Hair follicle receptor

Pacinian corpuscle

Meissner’s corpuscle

Ruffini end organ

Muscle spindle

Golgi tendon organ

Question 4

Differentiate between the specific and not so specific sensory pathways. Where are they located in the spinal cord white matter?

Answer 4

specific pathways–stimuli can be precisely located

fasciculus cunneatus

fasciculus gracilis

not so specific pathways–stimuli cannot be precisely located

lateral spinothalamic tract

ventral spinothalamic tract

Question 5

Differentiate among the first, second and third order sensory neurons. AKA primary, secondary and tertiary sensory neurons.

Question 6

List the names of the direct motor tracts.