Nervous System Part 2

Question 1

4 parts of the diencephalon

Answer 1

Thalamus (2 lobes)

Hypothalamus

Epithalamus

Subthalamus (2 nuclei)

Question 2

The hypothalamus is right above the _______

Answer 2

Pituitary gland

Question 3

The hypothalamus is connected to the pituitary ________

Answer 3

Pituitary stalk

Question 4

What structure separates the 2 thalamus lobes?

Answer 4

3rd ventricle

Question 5

What structure makes the floor of the 3rd ventricle?

Answer 5

Hypothalamus

Question 6

What 2 structures make up the roof of the 3rd ventricle?

Answer 6

Corpus callosum

Fornix

Question 7

What structure is the largest portion of the diencephalon?

Answer 7

Thalamus

Question 8

What is the structure that sometimes connects the 2 lobes of the thalamus superiorly (80% present)

Answer 8

Massa Intermedia

Question 9

What separates the thalamus into the 3 nuclear regions?

Answer 9

Internal Medullary Lamina

Question 10

Which nuclear region of the thalamus contains relay nuclei?

Answer 10

Lateral nuclear group

Question 11

Which nuclear region of the thalamus contains association nuclei?

Answer 11

Anterior & some lateral

Question 12

Which nuclear region of the thalamus contains diffuse nuclei?

Answer 12

Medial nuclear group

Question 13

Project info from reticular formation to relay nuclei and then to the cerebral cortex

Answer 13

Diffuse nuclei of thalamus

Question 14

project general/special sensation from incoming systems to cerebral cortex

Answer 14

Relay nuclei of thalamus

Question 15

interconnect ipsilateral cerebral cortex w/ other parts of the cerebral cortex

Answer 15

association nuclei of thalamus

Question 16

separates the thalamus from the hypothalamus

Answer 16

hypothalamic sulcus

Question 17

Integrating center for the autonomic nervous system

Answer 17

Hypothalamus

Question 18

Integrating center for the parasympathetic nervous system

Answer 18

anterior hypothalamus

Question 19

Integrating center for the sympathetic nervous system

Answer 19

posterior hypothalamus

Question 20

Where is the hunger center

Answer 20

Lateral hypothalamus

Question 21

Where is the satiety (full) center

Answer 21

ventromedial hypothalamus

Question 22

Where is the thirst center

Answer 22

anterior hypothalamus

Question 23

Thermoregulation center

Answer 23

Preoptic area of hypothalamus

Question 24

The pituitary gland is positioned behind the ______ ______

Answer 24

Optic Chiasm

Question 25

Enlarged pituitary = potential for what kind of problems?

Answer 25

Vision problems *it's behind the optic chiasm

Question 26

Ring of dura matter around pituitary stalk

Answer 26

Diaphragma sellae

Question 27

Does the posterior pituitary make hormones?

Answer 27

No

Question 28

Does the anterior pituitary make hormones?

Answer 28

Yes

Question 29

Name the 3 parts of the pituitary gland

Answer 29

Pars anterior (adenohypophysis) Pars posterior (neurohypophysis) Pars intermedia

Question 30

What controls the pituitary gland?

Answer 30

Hypothalamus

Question 31

Name the anterior pituitary hormones

Answer 31

TSH ACTH FSH LH STH/GH Prolactin

Question 32

Name the hormones sent to the posterior pituitary

Answer 32

Oxytocin Vasopressin (ADH)

Question 33

ADH is housed where?

Answer 33

Posterior pituitary

Question 34

Low ADH = Fluid ______

Answer 34

Fluid loss

Question 35

High ADH = Fluid _____

Answer 35

Fluid retention

Question 36

Hormone in pars intermedia?

Answer 36

MSH (melanocyte stimulating hormone)

Question 37

What does the epithalamus contain?

Answer 37

Pineal body Habenula

Question 38

This structure calcifies w/ age and turns into "brain sand"

Answer 38

Pineal body

Question 39

Contains melatonin and regulates sleep patterns

Answer 39

Pineal body

Question 40

The _______ contains the substantial nigra

Answer 40

subthalamus

Question 41

Associated w/ parkinson's disease and secretes dopamine

Answer 41

substantial nigra

Question 42

What does the substantial nigra secrete?

Answer 42

dopamine

Question 43

Lesion of the sub thalamus = _________

Answer 43

Dyskinesia