Brain & Cranial Nerves

Question 1

Major Parts of the Brain include the ______ ______ (Autonomic), ____________ (mechanical), __________ and Cerebrum

Answer 1

Brain Stem, Cerebellum, Diencephalon and Cerebrum

Question 2

The Brain Stem is continuous with the spinal cord via the foramen magnum and has 3 subdivisions 1. _______ _______, 2. ______ and 3. _________

Answer 2

Medulla Oblongata, Pons and Midbrain

Question 3

T/F the medulla oblongata controls breathing the CV center and cough reflexes

Answer 3

True

Question 4

The Cerebellum is _________ to the brain stem and is also known as the _____ ____

Answer 4

Posterior; little brain

Question 5

The Diencephalon is __________ to the brain stem and has 3 subdivisions 1. ________ (major relay center), 2. __________ (master gland of endocrine system) and 3. __________ (controls sleep and secretes melatonin)

Answer 5

1. Thalamus, 2. Hypothalymus (below thalamus), 3. Epithalamus

Question 6

The ____________ is the largest part of the brain. The right side is known as creative and the left side is known as the creative but both sides do a bit of both.

Answer 6

Cerebrum aka big brain

Question 7

The Hypothalamus secretes _____ different types of hormones

Answer 7

9

Question 8

The Brain Blood supply is provided by __________ (Internal/Anterior and Vertebral/posterior via C6) and ____________ (Internal Jugular)

Answer 8

Arteries; Veins

Question 9

An interruption of blood flow for _____ mins impairs neural Fx and a total deprivation of oxygen for _____ mins causes permanent injury

Answer 9

1-2 mins; 4 mins

Question 10

Protective coverings of the Brain include Falx Cerebri separating two hemispheres of _________, the Falx Cerebelli separating 2 hemispheres of __________ and Tentorium Cerebelli separating the _______ from ________

Answer 10

Falx cerebri = 2 hemispheres of Cerebrum

Falx Cerebelli = 2 hemispheres of Cerebellum

Tentorium Cerebelli = Cerebrum from Cerebellum

Question 11

CSF is created by __________ cells. CSF protects the brain and spinal chord from chemical & physical injuries. It curculates in the ____________ space btwn arachnoid mater and pia mater.

Answer 11

Ependymal; Subarachnoid space

Question 12

CSF and choroid plexus protect _____ ventricles in total. The __________ventricles, thrid ventricle and fourth ventricle.

Answer 12

4; Lateral, third and fourth

Question 13

_______________ is when CSF gets blocked in the brain and tissues swell. In infants this causes fontanels to budge.

Answer 13

Hydrocephalus

Question 14

The Medulla Oblongata is a continuation of the spinal chord and has sensory (ascending) tracts and motor (descending) tracts travel thru white mater and many nerves ____________ (cross over) in the medulla

Answer 14

decussate

Question 15

Rhythm of breathing, reflexes of vomiting, coughing and sneezing are all controlled by _____________ rhythmicity

Answer 15

Medullary rythmicity

Question 16

The nuclei for cranial nerves VIII - vestibulochlear, IX - glossopharyngeal, X - Vagus, XI - Accessory and XII hypoglossal (8-12) reside in the ________ ________

Answer 16

Medulla Oblongata

Question 17

Pneumonic for remembering Nerve order?

Answer 17

On Old Olypmus Towering Tops A Finn And German Viewed Some Hops

Question 18

Pneumonic for Cranial Nerve Types?

Answer 18

Some Say Marry Money But My Brother Says Big Botty’s Matter Most

S = Sensory; M = Motor; B = Both

Question 19

Cranial Nerve I - O

Answer 19

On = Olfactory** = Smell = **Sensory

Question 20

Cranial Nerve II - O

Answer 20

Old = Optic** = Vision = **Sensory

Question 21

Cranial Nerve III - O

Answer 21

Olypmus = Oculomotor** = mmt of lids, pupil, innervation, inferior oblique & rectus = **Motor

Question 22

Cranial Nerve IV - T

Answer 22

Towering = Trochlear** = Mmt of Eyeball Superior Oblique = **Motor

Question 23

Cranial Nerve V - T

Answer 23

Tops = Trigeminal** - Widest nerve = Touch, Pain, Temp impulses, chewing, sensation of face = **Both

Question 24

Cranial Nerve VI - A

Answer 24

A = Abducens** = lateral mmt of Eyeball, extrinsic, abducts = **Motor

Question 25

Cranial Nerve VII - F

Answer 25

Finn = **_Facial**_ = Taste, Facial expression, Saliva, Tears = _**Both_**

Question 26

Cranial Nerve VIII - A

Answer 26

And = **_Auditory Vestibulochochlear_** = Equilibrium, Hearing = **_Sensory_**

Question 27

Cranial Nerve IX - G

Answer 27

German - **_Glossopharyngeal**_ = Speech, Secretion of Saliva, Taste Buds, elevates pharynx and larynx = _**Both_**

Question 28

Cranial Nerve X - V

Answer 28

Viewed = **_Vagus_** - longest nerve = Taste, Somatic Sensations, Swallowing, coughing, Voice, GI Tract, respiratory passages, Heart Rate = **_Both_**

Question 29

Cranial Nerve XI - S

Answer 29

Some = **_Spinal Accessory_** = sensory axons *do not* return to the brain = Proprioception, Swallowing, Moving of Head & Shoulders = **_Motor_**

Question 30

Cranial Nerve XII - H

Answer 30

Hops = _***Hypo*glossal**_ = Sensory axons *do not* return to the brain = Mmt of Tongue during Speech and Swallowing = **_Motor_**