Chapter 14- Brain And Cranial Nerves

Question 0

Cerebellum (brain)

Answer 0

• coordinates somatic motor patterns (proprioception-awareness of ones body position, motion, equilibrium)
• adjusts output of other somatic motor centers in the brain and spinal cord

Question 1

Cerebrum (brain)

Answer 1

• divided into paired hemispheres
• memory storage and processing
• conscious and subconscious regulation of skeletal muscle contractions

Question 2

Diencaphalon (brain)

Answer 2

•contains the thalamus and hypothalamus

Question 3

Thalamus

Answer 3

•relay and processing center for sensory info

Question 4

Hypothalamus

Answer 4

Center for controlling emotion, autonomic functions, and hormone production

Question 5

Midbrain (brain)

Answer 5

• processing of visual and auditory data
• reflexive somatic motor responses
• maintenance of consciousness

Question 6

Prons (brain)

Answer 6

• relays sensory info to the cerebellum and thalamus
• subconscious somatic and visceral motor centers
• connect the cerebellum to the brain stem

Question 7

Limbic system (brain)

Answer 7

• establishes emotional states

* links conscious functions of cerebrum with unconscious and autonomic functions of the brain stem

Question 8

Medulla oblongtata (brain)

Answer 8

• relays sensory info to the thalamus and other portions of brain stem
• autonomic centers for regulation of cardiovascular respiration and digestive system

Question 9

Cranial meninges (basic function)

Answer 9

Protect delicate tissues of the brain from physical forces

Question 10

Cranial meninges: Dura mater

Answer 10

Outer and inner fibrous layer

Question 11

Cranial meninges: Arachnoid mater

Answer 11

Consists of arachnoid membrane, which covers the brain providing a smooth surface
•subarachnoid space, where CSF flows

Question 12

Cranial meninges: Pia mater

Answer 12

Innermost layer

Question 13

What arteries deliver oxygenated blood to the brain?

Answer 13

Internal carotid and vertebral arteries

Question 14

_________ veins drain _________ blood from the __________?

Answer 14

Internal jugular; deoxygenated; brain

Question 15

Cerebrovascualr accident is another name for?

Answer 15

Stroke

Question 16

Blood-brain barrier

Answer 16

• separates general circulation from blood to the brain
• allows lipid soluble substances (O2, CO2) to pass
• doesn’t allow certain toxins to pass (exceptions: alcohol, caffeine, Mercury)

Question 17

CSF functions

Answer 17

• Transport nutrients
• neural structure
• supports the brain

Question 18

CSF location

Answer 18

Around the brain, spinal cord, and withing ventricles.

Question 19

Cerebral cortex: PRIMARY MOTOR CORTEX (function)

Answer 19

Voluntary control of skeletal muscles

Question 20

Cerebral cortex: PRIMARY MOTOR CORTEX (location)

Answer 20

Precentral gyrus, within the frontal lobe

Question 21

Cerebral cortex: PRIMARY SENSORY CORTEX (location)

Answer 21

Postcentral gyrus, within the parietal lobe

Question 22

Cerebral cortex: PRIMARY SENSORY CORTEX (function)

Answer 22

Conscious perception of touch, pressure, pain, vibration, tastes, and temp

Question 23

Cerebral cortex: VISUAL CORTEX (location)

Answer 23

Occipital lobe

Question 24

Cerebral cortex: VISUAL CORTEX (function)

Answer 24

Conscious perception of visual stimuli

Question 25

Cerebral cortex: AUDITORY CORTEX (location)

Answer 25

Temporal lobe

Question 26

Cerebral cortex: AUDITORY CORTEX (function)

Answer 26

Conscious perception of auditory stimuli

Question 27

Cerebral cortex: OLFACTORY CORTEX (location)

Answer 27

Temporal lobe

Question 28

Cerebral cortex: OLFACTORY CORTEX (function)

Answer 28

Conscious perception of olfactory (smell) stimuli

Question 29

Cerebral cortex: ASSOCIATION AREAS (location)

Answer 29

All lobes

Question 30

Cerebral cortex: ASSOCIATION AREAS (functions)

Answer 30

Processing and initiation of motor activities

Question 31

Nuclei vs nerves

Answer 31

Nuclei located in CNS

Nerves located in PNS

Question 32

Cerebral cortex: most ________ gray matter of _________

Answer 32

Superficial; cerebrum