6. Brain

Question 1

Connects the spinal cord to the remainder of the brain

Answer 1

Brainstem

Question 2

The most inferior portion of the brainstem

Contains ascending and descending nerve tracts which convey signals to other regions of the brain

Answer 2

Medulla oblongata

Question 3

Extend the length of the medulla oblongata

Consist of descending nerve tracts which transmit action potentials from the brain

Answer 3

Pyramids

Question 4

Superior to the medulla oblongata

Contains ascending and descending nerve tracts

Answer 4

Pons

Question 5

Superior to the pons

Smallest region of the brainstem

Answer 5

Midbrain

Question 6

Dorsal part of the midbrain consists of four mounds called the______

Answer 6

Colliculi

Question 7

Midbrain contains a black nuclear mass called ______

Answer 7

Substantia nigra

Question 8

Group of nuclei collectively called the _______

Answer 8

Reticular formation- plays important regulatory functions

Question 9

Plays an important role in arousing and maintaining consciousness and in regulating sleep-wake cycle

Answer 9

Reticular activating system

Question 10

Removal of visual or auditory stimuli may lead to ?

Answer 10

Drowsiness or sleep

Question 11

Damage to the cells of the reticular formation can cause ?

Answer 11

Coma

Question 12

Attached to the brainstem by several large connection called cerebellar peduncles

Answer 12

Cerebellum

Question 13

These connections provide routes of communication

Answer 13

Cerebellar peduncles

Question 14

Part of the brain between the brainstem and cerebrum

Main components: thalamus, hypothalamus and epithalamus

Answer 14

Diencephalon

Question 15

Largest part of the diencephalon

Answer 15

Thalamus

Question 16

Small area superior and posterior to thalamus

Consists of few nuclei, involved in the response to odors

Answer 16

Epithalamus

Question 17

Endocrine gland that may influence the onset of puberty

Answer 17

Pineal gland

Question 18

Most inferior part of the diencephalon

Contains several nuclei that are important in maintaining homeostasis

Center role in control of body temp. Hunger, thirst

Answer 18

Hypothalamus

Question 19

Funnel shapes stalk

Extends from the floor of hypothalamus to pituitary gland

Answer 19

Infundibulum

Question 20

Involved in the emotional response to odors and memory

Answer 20

Mammilary bodies

Question 21

Largest part of the brain

Answer 21

Cerebrum

Question 22

It is divided into left and right hemispheres by a ?

Answer 22

Longitudinal fissure

Question 23

Important in the control of voluntary motor functions, motivation, aggression, mood etc

Answer 23

Frontal lobe

Question 24

Principal center for receiving and consciously perceiving most sensory information such as touch, pain, temp., and balance

Answer 24

Parietal lobe

Question 25

Functions in receiving and perceiving visual input

Answer 25

Occipital lobe

Question 26

Involved in olfactory (smell) and auditory (hearing)sensations Important role in memory

Answer 26

Temporal lobe

Question 27

Associated with functions such as abstract though and judgement

Answer 27

Psychic cortex