Chap 8: Nervous System - CNS II: Brainstem

Question 1

REGION of the brain that connects the spinal cord
the base of the rest of the brain

Answer 1

BRAINSTEM

Question 2

functional unit that
spans all three divisions

Answer 2

Reticular Formation

Question 2

A diffused but interconnected system of
loosely packed nuclei scattered all throughout
brainstem

Answer 2

Reticular Formation

Question 3

3 ANATOMICAL DIVISONS OF BRAINSTEM

Answer 3

1. Medulla Oblongata
2. Pons
3. Midbrain

Question 4

Most inferior part of the brainstem and is
continuous with the spinal cord

Answer 4

MEDULLA OBLONGATA

Question 5

Formed by large descending motor tracts
involved in the conscious control of the
skeletal muscles

Answer 5

Pyramid

Question 6

Each half of the brain controls the opposite
side of the brain

Answer 6

Pyramidal Decussation

Question 7

Two round structures that protrudes laterally
in the medulla oblongata

Answer 7

Olive

Question 8

Line along the middle and extends along the
length of the medulla oblongata

Answer 8

Ventral Median Sulcus

Question 9

relay information
from cerebrum to cerebellum

Answer 9

Pontine nuclei (Anterior)

Question 10

Superior to Medulla Oblongata

Answer 10

PONS

Question 11

Smallest part of the Brainstem

Answer 11

MIDBRAIN

Question 12

The roof of the midbrain

Answer 12

Tectum

Question 13

Receives sensory information from visual,
auditory, and tactile sensory system

Answer 13

Superior Colliculi

Question 14

Constitutes the portion of the midbrain
that is ventral to the tegmentum

Answer 14

Cerebral Peduncle

Question 14

Involved in hearing and integral part of
auditory pathways in the CNS

Answer 14

Inferior Colliculi

Question 15

Consists of ascending tracts such as:
spinothalamic tract and medial lemniscus

Answer 15

Tegmentum

Question 15

Carries sensory information coming from the
spinal cord towards the brain

Answer 15

Tegmentum

Question 16

Carries motor information from the
cerebrum to the brainstem up to the
spinal card

Answer 16

Cerebral Peduncle

Question 17

A nuclear mass between tegmentum and
cerebral peduncle

Answer 17

Susbtantia Nigra

Question 18

Involved in maintaining in muscle tone
and coordinating movements

Answer 18

Susbtantia Nigra

Question 19

Regulates sleep-wake cycle

Answer 19

RETICULAR ACTIVATING SYSTEM