by Heath


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1. name the 12 cranial nerves
1. Olfactory-smell
2. Optic- vision
3. Oculomotor-vision accommodation,reaction and tracking
4. trochlear-ocular movement
5. Trigeminal-facial dermatomes
6. Abducens
7. Facial
8. Acoustic-hearing
9.glossopharyngeal-gag reflex\motor function and swallowing
10. Vagus
11. Accessory
12. Hypoglossal- tongue movement
2. which three cranial nerves are tested together?
oculomotor, Trochlear and abducens
3. explain the test for cranial nerve number one.
the test for cranial nerve number one, ofactory: is done with the eyes closed occlude one nostril- smell and then occlude the other nostril
4. explain the test for cranial nerve number two: optic
the test for the optic cranial nerve is done via the confrontation technique.
stand in front of the patient  Place your hands or one finger out to the side of their face in their peripheral vision and ask them to tell you what side they see your hand or finger moving have your hand or finger come in until it is seen start from far away and move in closer.
5. explain the test for cranial nerve # 3,4 and 6 (oculomotor,trochlear, abducens)
the test for cranial nerve number 3,4 and 6 test to see if the patient can open and close their eyes.
To see if their eyes are equal and reactive to light accommodation. this test also checks for drooping, reaction and tracking.
shine a penlight in each of the patient eyes after dilation. The pupils should constrict. have patient open and close their eyes and test their eyes going towards the light and going away from the light. Can the patient follow the penlight in an H pattern with both eyes (tracking)?
6.explain the test for cranial nerve number 5 trigeminal
the test for cranial nerve number five test motor and sensory functions of the sides of the face.
With a cotton wisp-brush each side of the forehead, cheek and jaw. or use a Q-tip(cotton end versus stick end) and  paper clip alternate the soft side and the dull\sharp side to test reflexes for soft and dull/sharp against the skin.
7. explain the test for cranial nerve #7 facial
this test checks the reflexes for smiling, frowning, eyebrows raising and taste.
have patient smile and frown and raise their eyebrows.  for taste,Have patient close their eyes put a flavor on the tip of a cotton swab and place on each side of the tongue one side at a time
8. explain the test for cranial nerve number eight-acoustic
this test checks hearing. Have patient cover one ear and whisper into the other  ear. Ask patient to repeat what you said.
9. explain the test for cranial nerve #nine glossopharyngeal
the test for cranial nerve number nine checks gag reflex and motor function of swallowing with cranial nerve 10.
10. explain the test for cranial nerve number 10- vagus this test is usually done with cranial nerve number nine.
the tests for cranial nerve number 10 checks for gag reflex and the motor function of swallowing. Placed the tip of the tongue blade against the tongue, look at uvula and check the movement. Observe the pharynx.
11. explain the test for cranial nerve number 11
accessory
the test for cranial nerve number 11 checks muscle control.
Use the patient's cheek or head and shoulders.
have patient lift their shoulders up and down against the resistance of your hand.
You can also put your hand against their cheek or fore head and have them move against resistance of your hand with their cheek or fore head.
12. explain the test for cranial nerve number 12  hypoglossal
this test checks Tongue  movement and strength against resistance. place tongue blade on patient's tongue and have patient move Tongue  against the resistance of the tongue  blade
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