Neuro: Reflexes

Question 1

Newer name for Deep Tendon Reflex

Answer 1

Muscle Stretch Reflex

Question 2

Grading Reflexes
4.
3.
2.
1.
0.

Answer 2

4. Very brisk with clonus
5. Brisker than average. Possibly indicates disease
6. Average/normal
7. Diminished. Low normal.
8. Absent

Question 3

Reinforcement

Answer 3

Technique that involves isometric contraCtion of other muscles for up to 10 seconds

Question 4

Biceps Reflex

Answer 4

C5, C6
Strike: biceps tendon
Watch for: contraction of biceps muscle

Question 5

Triceps Reflex

Answer 5

C6, C7
Strike: back of elbow
Watch for contraction of triceps muscle and extension of elbow

Question 6

Brachioradialis Reflex

Answer 6

C5, C6
Strike: radius, 1-2” above wrist
Watch for: flexion and supination of firearm

Question 7

Patellar Reflex

Answer 7

(Quadriceps Reflex)
L2, L3, L4
Strike: Patellar tendon just below patella
Watch for: quadriceps contraction with extension at knee

Question 8

Achilles Reflex

Answer 8

S1
Hint: dorsiflex foot at ankle first
Strike: Achilles’ tendon
Watch for: plantar flexion

Question 9

Abdominal Reflex

Answer 9

Stroke: each side of abdomen above (T8, T9, T10) and below (T10, T11, T12) umbilicus

Watch for: contraction of abdominal muscles, movement of umbilicus toward stimulus

Question 10

Plantar Response

Answer 10

L5, S1

Stroke: lateral aspect of sole of foot from heel to ball, curving medially

Watch for: plantarflexion

Hint: hold ankle if patient withdraws by flexing hip and knee

Question 11

Anal Reflex

Answer 11

Lightly scratch anus on both sides

Watch for: contraction of external anal sphincter