Chapter 12 (Module 12.5)

Question 1

Sensory stimuli

Answer 1

Things that cause our senses to respond.

Question 2

Perception

Answer 2

Things that cause our senses to respond.

Question 3

The senses that pertain to fine or discriminative touch, including vibration, two-point discrimination, and light touch.

Answer 3

tactile senses

Question 4

The senses that pertain to fine or discriminative touch, including vibration, two-point discrimination, and light touch.

Answer 4

Non-discriminative touch

Question 5

The sensory neuron that detects the initial stimulus in the PNS.

Answer 5

First-order neuron

Question 6

An interneuron located in the posterior horn of the spinal chord or the brainstem.

Answer 6

Second-order neuron

Question 7

Interneurons in the thalamus.

Answer 7

Third -order neuron

Question 8

A set of ascending tracts in the spinal chord that convey sensations relating to discriminative touch and proprioception; the posterior columns are located in the spinal chord , and they become the medial lemniscus after they decussate in the medulla.

Answer 8

Posterior columns/Medial lemniscal system

Question 9

Carries information from the lower limbs.

Answer 9

Fasciculus gracilis

Question 10

Carries information from the trunk, neck, and upper limbs.

Answer 10

Fasciculus cuneatus

Question 11

A term that refers to the organization of the primary somatosensory cortex in which each part of the body is represented by a specific region in the cortex.

Answer 11

Somatotopy

Question 12

Tracts that form after the axons of second-order neurons decussate.

Answer 12

Medial lemniscus

Question 13

The largest white matter tracts of the anterolateral system in the spinal chord; send signals through the spinal chord to the sensory relay nuclei of the thalamus.

Answer 13

Spinothalamalic tracts

Question 14

A set of ascending tracts in the spinal chord that convey sensations relating to pain, temperature,and nondiscriminative touch.

Answer 14

Anterolateral system

Question 15

Perception of pain stimuli.

Answer 15

Nociception

Question 16

Delivered directly to the thalamus, which relays them to the primary visual cortex in the occipital lobe.

Answer 16

Visual stimuli (vision)

Question 17

Delivered to the nuclei in the brainstem, some stimuli are processed in the nuclei; the remainder to the thalamus and then to the primary auditory cortex.

Answer 17

Auditory stimuli (hearing)

Question 18

Delivered to the nucleus in the medulla and relayed to the thalamus; then the gustatory cortices in both the insula and parietal lobes.

Answer 18

Gustatory stimuli (taste)

Question 19

Enter the cerebral cortex of the limbic system without going through the thalamus; from the limbic cortex through the thalamus, hypothalamus, and other components of the limbic system.

Answer 19

Olfactory stimuli (smell)

Question 20

Enter multiple brainstem nuclei, the cerebellum, descending pathways through the spinal chord, and pathways through the thalamus to the cerebral cortex.

Answer 20

Vestibular stimuli (sensation/touch)