4 Nervous cells

Question 1

What are the tree-like projections emerging from the cell body of a neuron?

Answer 1

Dendrites

Question 2

What component of a neuron receives input?

Answer 2

The Dendrites

Question 3

An axon carries information towards or away from the soma (Cell body)?

Answer 3

Away

Question 4

What is the most common type of neuron morphology found in the body?

Answer 4

Multipolar

Question 5

The myelin sheaths surrounding axons in the peripheral nervous system are known as:

Answer 5

Schwann cells

Question 6

Oligodendrocytes are found in the peripheral or central nervous system?

Answer 6

Central

Question 7

The gaps between adjacent myelin sheaths along an axon are known as:

Answer 7

Nodes of Ranvier

Question 8

Ependymal cells are neuroglia which perform what function?

Answer 8

Secrete Cerebrospinal fluid

Question 9

Macrophage cells of the nervous system are known as:

Answer 9

Microglia

Question 10

Satellite Glial Cells are found covering what structures?

Answer 10

Neural cell bodies (soma)

Question 11

What cells line the ventricles of the brain and the central canal of the spinal cord?

Answer 11

Ependymal Cells

Question 12

Circulation of cerebrospinal fluid is achieved by what structures?

Answer 12

Cillia and Microvilli of the Ependymal Cells

Question 13

What type of cells are responsible for metabolic regulation in the extracellular space of the nervous system?

Answer 13

Astrocytes

Question 14

Which cells interact with capillaries in order to form the blood-brain barrier?

Answer 14

Astrocytes

Question 15

Cleaning of debris and removal of dead cells in the nervous system is carried out by what type of cell?

Answer 15

Microglia

Question 16

Grey matter consists of myelinated or unmyelinated nervous tissue?

Answer 16

Unmyelinated

Question 17

White matter consists of myelinated or unmyelinated nervous tissue?

Answer 17

Myelinated

Question 18

The peripheral nervous tissue of the spinal chord is white or grey matter?

Answer 18

White

Question 19

The limbic area of the brain responsible for recall of memories is found in which lobe of the cerebral cortex?

Answer 19

Parietal lobe

Question 20

The relay centre between the cerebral cortex and the incoming sensory input is known as:

Answer 20

The Thalamus

Question 21

Fluid balance, body temperature and sleep/wake regulation are controlled by what structure of the brain?

Answer 21

The Hypothalamus

Question 22

In what area of the brain is the conscious mind considered to be located?

Answer 22

The Cerebral Cortex

Question 23

The primary somatic cortex is located in which lobe of the cerebral brain?

Answer 23

Frontal Lobe

Question 24

What type of neuron is abundant in the gyri of the cerebral hemispheres and is important for motor function?

Answer 24

Pyramidal Neurons

Question 25

Coordination of movement instructions is carried out buy which brain structure?

Answer 25

The Cerebellum

Question 26

The **gyri** particular to the **cerebellum** are known as:

Answer 26

Folio

Question 27

Cells with extensive networks of dendrites found in the cerebellum are known as:

Answer 27

Purkinje Cells

Question 28

An inhibitory neurotransmitter released by purkinje cells in the cerebellum which aid in coordination of movement is known as:

Answer 28

GABA

Question 29

The parietal layer of the Cerebellar folio is known as:

Answer 29

The Molecular Layer

Question 30

The layer beneath the **molecular layer** and **purkinje cell bodies** within the folio of the cerebellum is known as:

Answer 30

The Granular Layer

Question 31

The tuft like structure consisting of capillaries ensheathed by ependymal cells is known as:

Answer 31

The Choroid Plexus

Question 32

**Non communicating** Hydrocephalus indicates an obstruction within the **ventricles** or at the **arachnoid villi**?

Answer 32

Within the Ventricles