Cranial Nerves And Reflexes

Question 1

Old, Odus, Ocular, Took, Two, Aspirin, For, a Very, Great, Vague, Aching, Headache

Answer 1

Olfactory, optic,oculormotor,trochlear,trigeminal, abducens, facial,vestibulocochlear, glossopharynheal,vagus,accessory,hypoglossyl

Question 2

Cranial Nerve 1-

Answer 2

Olfactory, smell spices

Question 3

Cranial nerve 2

Answer 3

Optic, pupillary light reflex and visual field lesions

Question 4

Cranial nerve 3

Answer 4

Oculomotor, follow pen

Question 5

Cranial nerve 4

Answer 5

Trochlear, follow pen

Question 6

Cranial nerve 5

Answer 6

Trigeminal, clench teeth and massage masseter muscles, touch person with paper clip, touch cornea with cotton

Question 7

Cranial nerve 6

Answer 7

Abducens, follow pen

Question 8

Cranial nerve 7

Answer 8

Facial nerve, raise eyebrows, close eyes again resistance, manipulate smile or frown up or down and check for asymmetry

Question 9

Cranial nerve 8

Answer 9

Vestibulocochlear, Weber test with tuning fork

Question 10

Cranial nerve 9

Answer 10

Glossopharyngeal, ask to swallow or gag

Question 11

Cranial nerve 10

Answer 11

Vagus, ask to swallow or gag

Question 12

Cranial nerve 11

Answer 12

Accessory, turn head against resistance, raise shoulder against resistance

Question 13

Cranial nerve 12

Answer 13

Hypoglossal, press tongue against cheek and look for symmetry

Question 14

Patellar reflex

Answer 14

Have patient sit in chair with dangling leg and tap the patellar ligament sharply with reflex hammer just below the knee, there should be a sudden leg extension, and the muscles that contract are the quadriceps

Question 15

Biceps reflex

Answer 15

Hood patients flexed arm in the palm of your hand with your thumb over the antecubital space and strike your thumb with the hammer, the fire arm should flex at the elbow, and the muscles that contact are the biceps brachii

Question 16

Calcaneal reflex

Answer 16

With shoe removed grasp the ankle and slightly dorsiflex the ankle then sharply tap the calcaneal tendon with the reflex hammer, the foot should jerk toward the plantar surface, and the gastrocnemius muscle contracts

Question 17

Crossed extensor reflex

Answer 17

Patient sits eyes closed with the palm of their hand facing up. Poke with a sharp pencil and see what happens, the side where it’s getting poked should push away while the opposite arm extends

Question 18

Plantar reflex

Answer 18

Take a blunt object and use to heel to toes, the toes should flex down, it involves the soleus, gastrocnemius and plantaris

Question 19

Pupillary reflex

Answer 19

Using a pen light dim the lights and shine the pen light in the subjects left and right pupils and measure the width, both pupils (including the one not having light shined in the eye) should constrict. And it uses the iris sphincter muscle

Question 20

Ciliospinal reflex

Answer 20

Using normal lighting use your finger to gently stroke the hairs on the left side of the back of the neck close to the hairline, the ipsipilateral side will dilate while the contra lateral will not, and it uses the iris sphincter muscles

Question 21

Salivary reflex

Answer 21

Place lemon juice or an acid on the tongue, this should release a high rate of saliva,

Question 22

Learned reflex’s (ruler drop)

Answer 22

Ruler drop- position a ruler of the side of a table and have them grab it as you drop it. Should get better with time

Question 23

What is a reflex

Answer 23

An involuntary and sudden response to stimuli

Question 24

Autonomic reflexes

Answer 24

Parasympathetic or sympathetic reflex- no control

Question 25

Somatic reflex

Answer 25

All reflexes involving the skeletal muscle

Question 26

Reflex arc

Answer 26

Pathway by which a reflex travels