chapter 6

Question 1

what is the largest part of the brain, consisting of 2 hemisphere

Answer 1

cerebrum

Question 2

what are convolutions of the cerebrum separated by SULCI?

Answer 2

Gyri

Question 3

What are the fissures or sulci of the cerebrum?

Answer 3

1) Longitundinal fissure
2) transverse fissure or sulcus
3) Lateral fissure or sulcus
4) central sulcus

Question 4

what separates the right and left hemispheres and is occupied by the FALX cerebri?

Answer 4

Longitudinal fissure

Question 5

What separates the cerebrum and cerebellum and is occupied by the TENTORIUM cerebelli?

Answer 5

Transverse fissure or sulcus

Question 6

What separates the TEMPORAL lobe from the rest of the cerebrum superior to it?

Answer 6

Lateral fissure or sulcus

Question 7

What separates the pre-central (motor) gyrus from the post-central (sensory) gyrus

Answer 7

Central sulcus

Question 8

What are the 4 main lobes that the cerebrum contains?

Answer 8

1) frontal
2) parietal
3) occipital
4) temporal

Question 9

A fifth lobe the _____________, lies within the depths of the LATERAL sulcus

Answer 9

Insula

Question 10

The ____________________ is the PRE-central gyrus and lies ANTERIOR to the central sulcus

Answer 10

Primary motor cortex

Question 11

The _____________________ is the POST-central gyrus and lies POSTERIOR to the central sulcus

Answer 11

Primary sensory cortex

Question 12

What constitutes the central gray matter of the cerebrum? It controls movement and posture. Disease involve disturbances in voluntary muscle control (parkinson’s and Huntington’s)?

Answer 12

Basal Nuclei (ganglia)

Question 13

What is the most important SENSORY relay center of the brain? it sends incoming impulses from the body to the CEREBRAL CORTEX.

Answer 13

Thalamus

Question 14

What functions in the regulation of
1) body temp
2) carbohydrate and lipid metabolism
3) Sleep, sexual activity, and emotions

Answer 14

Hypothalamus

Question 15

What lies between and is associated with the following?
1) Optic chiasma
2) Mammillary bodies
3) Pituitary gland

Answer 15

Hypothalamus

Question 16

This is where optic nerves (CNII) cross

Answer 16

optic chiasma

Question 17

This is a Sensory synaptic station, part of the limbic system

Answer 17

Mammillary bodies

Question 18

This projects inferior from the HYPOTHALAMUS and secretes hormones?

Answer 18

Pituitary gland

Question 19

What is composed of three parts from superior to inferior: midbrain, pons medulla oblongata?

Answer 19

Brainstem

Question 20

What contains the CEREBRAL PEDUNCLES anteriorly and the TECTUM with the CORPORA QUADRIGEMINA posteriorly?

Answer 20

Midbrain

Question 21

The CORPORA QUADRIGEMINA of the midbrain consists of 4 elevations that are arranged as two pairs referred to as:

Answer 21

1) Superior colliculi
2) Inferior colliculi

Question 22

These are involved in the pathway of VISION?

Answer 22

superior colliculi

Question 23

These are involved in the pathway of HEARING?

Answer 23

Inferior colliculi

Question 24

These act as a bridge connecting the right and left CEREBELLAR hemispheres
-It relays impulses from the CEREBRAL CORTEX to the CEREBELLUM

Answer 24

PONS

Question 25

What is the part of the brain that is directly continuous with the spinal cord? It contains most of the ascending and descending TRACTS of the spinal cord.

Answer 25

Medulla oblongata

Question 26

The medulla oblongata represents an area in which pyramidal tract fibers lie what is this called?

Answer 26

Pyramids

Question 27

An area inferior to the pyramids is where the pyramidal tracts cross or DECUSSATE over to the contralateral side?

Answer 27

Pyramidal Decussation

Question 28

Where can other tracts cross either in the spinal cord or in the brain itself that contains several nuclei involved in the regulation of vital body activities: respiratory, cardiac (heart rate), and vasomotor (blood pressure)

Answer 28

Medulla oblongata

Question 29

What is referred to as the little brain, connects with the midbrain, pons and medulla oblongata via the superior, middle, and inferior cerebellar PEDUNCLES, respectively?

Answer 29

Cerebellum

Question 30

What consists of two hemispheres separated by a median VERMIS

Answer 30

Cerebellum

Question 31

What has an outer cortex that contains folia separated by fissures; (folia means leaves)

Answer 31

Cerebellum

Question 32

Internally, the cerebellum contains white matter branching in the form of a tree, called the ________________?

Answer 32

ARBOR VITAE

Question 33

What are the function of the cerebellum?

Answer 33

1) COORDINATION of muscular activity 2) Regulation of muscle tone 3) Maintenance of equilibrium