Skull and Brain

Question 1

The skull is composed of how many bones?

Answer 1

28

Question 2

T or F: The cranium does not include the mandible

Answer 2

TRUE

Question 3

what are the developmental regions of the skull?

Answer 3

1). Neurocranium
2). Basicranium
3). Viscerocranium

Question 4

Where does the brain develop from?

Answer 4

The expansion of cranial end of the neural tube

Question 5

What are the expansions of neural tubes called?

Answer 5

vesicles

Question 6

What are the three primary brain vesicles?

Answer 6

1). Prosencephalon» splits into Telencephalon and Diencephalon (Forebrain)
2). Mesencephalon (midbrain)
3). Rhombencephalon (Hindbrain)» Metencephalon and Myelencephalon

Question 7

What are the 5 secondary brain vesicles?

Answer 7

1). Cerebrum
2). Diencephalon (thalmus, hypo, epithalamus)
3). Midbrain
4). Pons (cerebellum)
5). Medulla oblongata

Question 8

What three structures make up the brain stem?

Answer 8

1). Midbrain
2). Pons
3). Medulla Oblongata

Question 9

What is the purpose of Sulci and Gyri ?

Answer 9

Increases surface area: allows for more brain activity to occur

Question 10

Sulci

Answer 10

shallow grooves seperating gyri

Question 11

Gyri

Answer 11

elevated ridges on the brain

Question 12

Cerebral cortex

Answer 12

outer layer responsible for conscious thought, problem solving, personality, dreams and language