Tests and measures for sensation (from handout)

Question 1

Sensory nerve receptors are located?

Answer 1

At the distal end of afferent nerve fibers

Question 2

Characteristics of exteroreceptors,(What do they sense?(4) where do sensations come from?

Answer 2

Receive info via skin/subQ tissu
pain 
temp
light touch
pressure

Question 3

Characteristics of proprioceptors, what do they sense?(4) Where do the sensations originate?

Answer 3

Receive info via mm/ligs/jts/fascia
deep sensations
kinesthesia
vibration
position sense

Question 4

Name the 3 cutaneous receptors and their sensation types?

Answer 4

Free nerve endings/pain
Meissner’s corpuscles/light touch
Pacinian corpuscles/vibration

Question 5

Name the 2 deep sensory receptors and their sensation types?

Answer 5

Pacinian corpuscles/vibration

Muscle spindles/movement sense

Question 6

What is a dermatome?

Answer 6

An area of skin innervated by the sensory fibers of a single nerve root.

(They can be tested for damage to specific roots)

Question 7

There are 3 grades of sensation, what are they?

Answer 7

Intact
Impaired
Absent

Question 8

Grade one of sensation intact, intact is?

Answer 8

Normal accurate response

Question 9

Grade 2 impaired is?

Answer 9

Delayed or inaccurate

Question 10

Grade 3 absent is?

Answer 10

No response

Question 11

The reflex arc contains?(4)

Answer 11

Sensory seceptor
Afferent/efferent neurons
Responding muscle

Question 12

Biceps nerve and roots?

Answer 12

Musculocutaneous, C-5 and 6

Question 13

Brachioradialis NN and roots?

Answer 13

Radial, C-5 and 6

Question 14

Triceps NN and root?

Answer 14

Radial, c-7

Question 15

Quads NN and roots?

Answer 15

Femoral, L-3 and 4

Question 16

Gastrocs NN and roots?

Answer 16

Sciatic(tibial), S-1

Question 17

Grades of reflex activity?(0-4) What parameter is normal?

Answer 17

0=None
1=Min
2=Mod
3=Brisk
4=clonus

1-3 is normal