quiz 3

Question 1

The Central Nervous system consists of______?

Answer 1

brain and spinal cord

Question 2

Major structures of the _______ include the two cerebral hemispheres, the thalamus, and the hypothalamus.

Answer 2

forebrain

Question 3

a gyrus is:

Answer 3

• ridge in cerebral cortex

- area between two sulci

Question 4

What are the four lobe of the cerebral cortex?

Answer 4

• frontal
• parietal
• occipital
• temporal

Question 5

the prefrontal cortex:

Answer 5

• plan and organize
• impulse control
• adjusting behavior in response to rewards and punishments
• decision making

Question 6

after a serious car accident, your friend can no longer recognize objects that she sees. Given your knowledge of the brain, you know that she must have her:

Answer 6

inferior temporal cortex

Question 7

the _____ is a thick band of fibers that transmits information between the cerebral hemispheres.

Answer 7

corpus callosum

Question 8

in rare cases, surgeons have to cut the corpus callosum to help treat severe, uncontrolled epileptic seizures. Research on these cases has shown that severing the corpus callosum:

Answer 8

• right and left hemisphere cant communicate well
• left= language
• right= visual

Question 9

the _____ is a small structure below the cortex that controls emotion and motivated behaviors such as eating, drinking, and sexual activity.

Answer 9

hypothalamus

Question 10

Parts of the midbrain

Answer 10

• superior colliculi
• inferior colliculi
• substania nigra
• ventral tegmental area

Question 11

the cerebellum:

Answer 11

• Refines movement initiated by motor cortex by controlling their speed, intensity, and direction
• part of hindbrain
• 2nd most distinctive-appearing structure
• On the back of the brain stem, wrinkled and divided in middle
• “little brain”

Question 12

organization of the spinal cord:

Answer 12

just the opposite of the brain, with white matter on outside and gray matter in the interior

Question 13

in the spinal cord, the white matter consists of:

Answer 13

axons

Question 14

your dog nudges you from sleep and you reach out to pet the dog. feeling the dog is transmitted through______, while petting the dog is transmitted via_______.

Answer 14

sensory neurons, motor neurons

Question 15

the delicate structures in the brain are protected by:

Answer 15

• the three-layers of the meninges
• cerebrospinal fluid
• blood-brain barrier

Question 16

the somatic nervous system consists of the:

Answer 16

sensory and motor nerves

Question 17

The ______ nervous system controls smooth muscles, internal organs, and glands. It consists of the sympathetic and parasympathetic nervous systems

Answer 17

autonomic nervous system

Question 18

on the day of the exam, your heart races, your breathing is ragged and elevated, and you sweat more than usual. This is most likely due to the activation of the _________ nervous system

Answer 18

sympathetic

Question 19

what is the correct order of the four stages of development of the nervous system?

Answer 19

• cell proliferation
• migration
• circuit formation
• circuit pruning

Question 20

neural plasticity refers to the:

Answer 20

ability to be modified