Chapter 14- The Brain And Cranial Nerves Flashcards Preview

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Flashcards in Chapter 14- The Brain And Cranial Nerves Deck (70)
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The major region of the brain responsible for conscious thought processes, sensations, intellectual functions, memory, and complex motor patterns is the...

Cerebrum

1

The region of the brain that adjusts voluntary and involuntary motor activities on the basis of sensory information and stored memories of previous movements is the...

Cerebellum

2

The brain stem consists of...

Midbrain, pons, medulla oblongata

3

The expansion of the neurocoel enlarges to create three primary brain vesicles called the...

Prosencephalon, mesencephalon, and rhombencephalon

4

The cerebrum of the adult brain ultimately forms from the...

Telencephalon

5

The lateral ventricles of the cerebral hemisphere communicate with the third ventricle of the diencephalon through the...

Interventricular foramen

6

The slender canal that connects the third ventricle with the fourth ventricle is the...

Cerebral aqueduct

7

The delicate tissues of the brain are protected from mechanical forces by the...

1. Bones of the cranium
2. Cranial meninges
3. Cerebrospinal fluid

8

The cranial meninges offer protection to the brain by...

Preventing contact with surrounding bones

9

The neural tissue of the brain is biochemically isolated from the general circulation by the...

Blood-brain barrier

10

The most important functions of the cerebrospinal fluid are...

1. To cushion delicate delicate neural structures
2. To support the brain
3. The transport of nutrients, chemical messengers, and waste products

11

A combination of specialized ependymal cells and permeable capillaries involved in the production of cerebrospinal fluid forms a network called the...

Choroid plexus

12

Excess cerebrospinal fluid is returned to venous circulation by...

Diffusion across the arachnoid villi

13

The inferior portion of the medulla oblongata resembles the spinal cord, with the presence of a...

Small central canal

14

The similarity of the medulla oblongata to the spinal cord disappears with the formation of the...

Fourth ventricle

15

The cardiovascular centers and the respiratory rhythmicity centers located in the...

Medulla oblongata

16

The medulla oblongata contains sensory and motor nuclei associated with cranial nerves...

VIII,IX,X,XI, and XII

17

In the medulla oblongata, the relay stations along sensory or motor pathways include the...

Nucleus gracilis and nucleus cuneatus

18

The pons link the cerebellum with the...

1. Diencephalon
2. Cerebrum
3. Spinal cord

19

The centers in the pons that modify the activity of the rhythmicity centers in the medulla oblongata are the...

Apneustic and pneumotaxic centers

20

Huge, highly branched Purkinje cells are found in the...

Cerebellar cortex

21

Coordination and refinement of learned movement patterns at the subconscious level are performed by the...

Cerebellum

22

The corpora quadrigemina of the midbrain are responsible for processing...

Visual and auditory sensations

23

The nerve fiber bundles on the ventrolateral surfaces of the midbrain are the...

Cerebral peduncles

24

The epithalamus, thalamus, and hypothamalus are anatomical structures of the...

Diencephalon

25

Relay and processing centers for sensory information are found in the...

Thalamus

26

The hypothalamus contains centers involved with...

Emotions, automatic function, and hormone production

27

The sea-horse-like structure in the lambic system responsible for storage and retrieval of new long-term memories is the...

Hippocampus

28

As a functional group, the limbic system behaves as a...

Motivational system

29

Even though almost completely separated, the two cerebral hemispheres are connected by a thick band of white matter called the...

Corpus callosum