Physical Exam

Question 1

Failure to recognize both simultaneously moving fingers suggests extinction from what lesion?

Answer 1

Parietal lobe

Question 2

What does CN 6 (Abducens nerve) control?

Answer 2

Lateral rectus for lateral gaze

Question 3

What does CN 4 (Trochlear nerve) control?

Answer 3

Superior oblique muscle for gaze down and in

Question 4

What does CN 3 (Oculomotor nerve) control?

Answer 4

Medial rectus for medial gaze
Superior rectus for gaze up and out
Inferior rectus for gaze down and out
Inferior oblique for gaze up and in

Question 5

What are the 3 divisions of CN 5?

Answer 5

Ophthalmic division (forehead)
Maxillary division
Mandibular division

Question 6

What controls palatal and uvular elevation?

Answer 6

Afferent - CN 9

Efferent - CN10

Question 7

When a patient turns the head to the left against resistance to test CN 11, which SCM muscle is being tested?

Answer 7

Opposite muscle from the side the patient turns toward

Question 8

Muscle strength grading?

Answer 8

0 = no contraction 
1 = barely detectable flicker or trace of contraction
2 = active movement with gravity eliminated (horizontal motion is seen)
3 = active movement against gravity
4 = active movement against gravity and some resistance
5 = active movement against full resistance

Question 9

List the muscle, nerve roots, and nerve tested with elbow flexion.

Answer 9

Biceps muscle
C5, C6
Musculocutaneous nerve

Question 10

List the muscle, nerve roots, and nerve tested with elbow extension.

Answer 10

Triceps muscle
C7, C8
Radial nerve

Question 11

List the muscle, nerve roots, and nerve tested with wrist flexion.

Answer 11

N/A
C6, C7, C8
Median and ulnar nerves

Question 12

List the muscle, nerve roots, and nerve tested with wrist extension.

Answer 12

N/A
C7, C8
Radial nerve

Question 13

List the muscle, nerve roots, and nerve tested with hand grip.

Answer 13

N/A
C7, C8, T1
Median and ulnar nerves

Question 14

List the muscle, nerve roots, and nerve tested with hip flexion.

Answer 14

Iliopsoas muscle
L2, L3, L4
Femoral nerve

Question 15

List the muscle, nerve roots, and nerve tested with knee flexion.

Answer 15

Hamstrings
L5, S1, S2
Sciatic nerve

Question 16

List the muscle, nerve roots, and nerve tested with knee extension.

Answer 16

Quadriceps
L2, L3, L4
Femoral nerve

Question 17

List the muscle, nerve roots, and nerve tested with ankle dorsiflexion.

Answer 17

N/A
L4, L5
Peroneal nerve

Question 18

List the muscle, nerve roots, and nerve tested with ankle flexion?

Answer 18

N/A
S1, S2
Tibial nerve

Question 19

Grade reflexes.

Answer 19

0 = absent reflex/no response
1 = diminished, low normal (brought out with reinforcement = Jendrassik maneuver)
2 = normal, average
3 = brisker than average, possibly but not necessarily indicative of disease
4 = hyperactivity with clonus

Question 20

Nerve roots tested by the biceps reflex?

Answer 20

C5, C6

Question 21

Nerve roots tested by the triceps reflex?

Answer 21

C7, C8

Question 22

Nerve roots tested by the brachioradialis reflex?

Answer 22

C5, C6

Question 23

Nerve roots tested by the patellar reflex?

Answer 23

L2, L3, L4

Question 24

Nerve roots tested by the ankle reflex?

Answer 24

S1

Question 25

Spinal tract for light touch?

Answer 25

Posterior column and spinothalamic tracts

Question 26

Spinal tract for pain?

Answer 26

Spinothalamic tract

Question 27

Spinal tract for position sense?

Answer 27

Posterior columns

Question 28

Spinal tract for vibration sense?

Answer 28

Posterior columns

Question 29

What does the Romberg sign indicate?

Answer 29

Impaired position sense