Class 1 Deck 2

Question 1

What is the main role of the occipital lobe?

Answer 1

-Vision

Question 2

What is the main roles of the temporal lobe?

Answer 2

• Hearing
• Organizing/Comprehension of language
• Memory

Question 3

What area of the temporal lobe is responsible for language comprehension

Answer 3

-Wernicke’s area (left side only)

Question 4

What connects Broca’s area and Wernicke’s area?

Answer 4

-Arcuate fasciculus

Question 5

What separates the Cerebrum from the Cerebellum?

Answer 5

-Tentorium Cerebelli

Question 6

The cerebellum (little brain) does what things?

Answer 6

• Precise timing of muscle contraction
• Complex motor behaviors
• Balance
• Sequence of events

Question 7

What does the diencephalon do?

Answer 7

• Links cerebrum to brainstem

- Integrates sensory info w/ motor commands

Question 8

What organs are housed in the diencephalon?

Answer 8

• Thalamus (Sensory relay station)
• Hypothalamus (hormone production)
• Pineal gland (secrete melatonin)

Question 9

What role does the hypothalamus play?

Answer 9

• Captain of the Autonomic nervous system

- overseer of Homeostasis

Question 10

What does the hypothalamus control?

Answer 10

• Emotions
• Water balance
• Day/night rythms
• Endocrine

Question 11

What gland interfaces between the endocrine and nervous systems?

Answer 11

-Pituitary

Question 12

Where does the spinal cord attach to the brain?

Answer 12

-Medulla

Question 13

What does the mid brain do and where is it located?

Answer 13

• Process sight and sound
• Maintains consciousness
• Located between pons and cerebellum

Question 14

What dose the pons do and where is it locate?

Answer 14

• Pneumotaxic center (controls respiration)

- Lies above the medulla

Question 15

What does the medulla oblongota regulate?

Answer 15

• Autonomic function (arousal, HR, BP, digestion, rate and depth of breathing)
• vomiting, swallowing, coughing, sneezing

Question 16

What feeds the posterior part of the brain with blood?

Answer 16

-Vertebral arteries

Question 17

Blood brain barrier allows passage of what?

Answer 17

• Small molecules
• Lipophillic molecules
• Passive transport of glucose
• Active transport of Amino acids

Question 18

Blood brain barrier prevents passage of what?

Answer 18

• Large molecules

- Charged (ionized) molecules

Question 19

What effects the blood brain barrier?

Answer 19

• Trauma

- Mass growth (tumor)

Question 20

What are the 3 cranial meninges?

Answer 20

• Dura mater
• Arachnoid mater
• Pia mater

Question 21

What are the 2 layers of the dura mater

Answer 21

• Endosteal

- Meningeal

Question 22

What anchors the pia mater to the brain?

Answer 22

-Astrocytes

Question 23

Where is CSF circulating in the brain?

Answer 23

-Below the subarachnoid space but above pia mater

Question 24

Where is CSF formed?

Answer 24

choroid plexus in the Ventricles of the brain

Question 25

Ventricles are lined by what?

Answer 25

Ependymal cells

Question 26

how much CSF is made per hour? Day? Total at any given time?

Answer 26

- 21 ml/hr - 500 ml/day - 150 mls

Question 27

What decrease CSF production?

Answer 27

- Carbonic anhydrase inhibitors - Corticosteroids - Isoflurane - Spironlactone - Laisx - Vasoconstrictors

Question 28

What artery provides the majority of blood to the spinal cord? And where does it arise from?

Answer 28

- Anterior spinal artery | - Vertebral arteries

Question 29

Where do nerves emerge from the cervical vertebra? The rest?

Answer 29

- Above | - Below

Question 30

Dorsal roots are what type of fibers? And what is a good way to remember?

Answer 30

- Sensory | - SAD (Sensory, Afferent, Dorsal)

Question 31

Ventral roots are what kind of fibers? and where do they arise?

Answer 31

- Motor (Efferent) | - Gray column of spinal cord

Question 32

What is the grey matter of the spinal column? White matter?

Answer 32

- Grey = neuronal cell bodies | - White = ascending & descending nerve pathways

Question 33

What are the 3 main components of the intracranial vault?

Answer 33

- CSF - Brain - Blood

Question 34

Normal ICP?

Answer 34

5-15

Question 35

What major vessels supply the circle of willis?

Answer 35

- Left and right carotids | - Basilar

Question 36

What vessels are not paired in the circle of willis?

Answer 36

- basilar | - Anterior communicating

Question 37

Motor nerves arise from what part of the spinal cord?

Answer 37

-anterior horn