The Brain - 9.1 External Features

Question 1

Name the largest part of the brain.

Answer 1

Cerebrum

Question 2

Name the four (4) visible lobes of the brain.

Answer 2

• Frontal
• Parietal (2)
• Temporal (2)
• Occipital

Question 3

On the surface of the brain are raised portions (“folds”) called:

Answer 3

Gyri (convolutions)

Question 4

On the surface of the brain are grooves called:

Answer 4

Sulci (sulcus )

Question 5

A deep sulcus is called a:

Answer 5

Fissure

Question 6

What is the deepest groove in the brain?

Answer 6

The longitudinal fissure

Question 7

Longitudinal fissure separates the___________.

Answer 7

The left cerebral hemisphere and the right cerebral hemisphere.

Question 8

What sulcus separates the frontal lobe from the parietal lobe?

Answer 8

The central sulcus

Question 9

What sulcus separates the frontal lobe from the parietal lobe?

Answer 9

The central sulcus

Question 10

What fissure separates the two parietal lobes?

Answer 10

The longitudinal

Question 11

What sulcus separates the parietal lobe from the temporal lobe?

Answer 11

The lateral sulcus.

Question 12

What sulcus separates the occipital lobe from the parietal lobe?

Answer 12

The parieto-occipital sulcus

Question 13

The gyrus located just anterior to the central sulcus is called the

Answer 13

Precentral gyrus.

Question 14

What lobe of the brain will one find the precentral gyrus?

Answer 14

Frontal lobe

Question 15

What lobe of the brain will one find the postcentral gyrus?

Answer 15

Parietal lobe

Question 16

The gyrus located just posterior to the central sulcus is called the____________.

Answer 16

Postcentral gyrus

Question 17

At the inferior portion of the brain, what is the name of the structure that connects the cerebrum to the spinal cord.

Answer 17

Brainstem

Question 18

What part of the brain is found in the inferior and posterior part of the skull (head)?

Answer 18

Cerebellum

Question 19

What part of the brain is known as the “little cerebrum”?

Answer 19

Cerebellum

Question 20

Where does the brainstem connect to the spinal cord?

Answer 20

At the foramen magnum of the skull.