Preview, Olfactory Nerve

Question 0

Name the cranial nerves, which carry the branchial efferent fibers.

Answer 0

Trigeminal, Facial, Glossopharyngeal, Vagus, Spinal Accessory.

Question 1

Name the cranial nerves, which carry the visceral efferent fibers.

Answer 1

Occulomotor, Facial, Glossopharyngeal, Vagus.

Question 2

Name the cranial nerves, which have tractus solitarius as the nucleus of termination.

Answer 2

Facial, Glossopharyngeal, Vagus.

Question 3

Name the patent opening for the facial nerve.

Answer 3

Internal Acoustic Meadus

Question 4

Name the patent opening for the glossopharyngeal nerve.

Answer 4

Jugular Foramen.

Question 5

Name the nucleus for the vagal motor nerve.

Answer 5

Ambiguous

Question 6

Name the nucleus for taste sense from the posterior 1/3 of the tongue.

Answer 6

Tractus Solitarius.

Question 7

Name two secondary olfactory neurons.

Answer 7

Mitral, Tufted

Question 8

All of the following are descriptions of primary olfactory neurons, except:

Answer 8

A.) The primary olfactory neurons are located on the superior nasal concha.
B.) The primary olfactory neurons are multipolar neurons.
C.) Numerous olfactory cilia attached to the olfactory vesicle of the primary olfactory neuron.
D.) Axons on the primary olfactory neuron gathered into 20 fila olfactoria.

Question 9

Name the neurons that are continually replaced throughout life.

Answer 9

Olfactory receptor neurons.

Question 10

The synapses between the primary and secondary olfactory neurons form__________ layer in the olfactory bulb.

Answer 10

Glomerular

Question 11

Name the laminar structure of the olfactory bulb from the surface inward.

Answer 11

Olfactory nerve layer, glomerular layer, external plexiform layer, mitral layer, internal plexiform layer, olfactory nerve tract.

Question 12

Name the layer of the olfactory bulb where the incoming olfactory axons synapse with dendrites of the secondary olfactory neuron.

Answer 12

Glomerular layer

Question 13

Name the layer of the olfactory bulb, which becomes the anterior olfactory nucleus in the olfactory tract.

Answer 13

Granule cell layer.

Question 14

Name 2 main intrinsic neurons in the olfactory bulb.

Answer 14

Periglomerular, granule cells.

Question 15

The olfactory trigone splits centrally into the _______ & _________.

Answer 15

Medial and lateral olfactory straie.

Question 16

Name the neuron that has no axon in the olfactory bulb.

Answer 16

Granule cells.

Question 17

The medial straie of the olfactory nerve ends to the subcallosal area, which consists of _________ & _______.

Answer 17

Paraolfactory & paraterminal areas.

Question 18

The subcallosal area connected with ___________ gyrus by the way of the cingular gyrus.

Answer 18

Parahippocampal

Question 19

All of the following are connected by the lateral straie of the olfactory nerves, EXCEPT;

Answer 19

A.) Gyrus semilunaris.
B.) Amigdaloid body.
C.) Entorhinal area.
D.) Subcallosal area.

Question 20

The olfactory nerve fibers are extremely minute and unmyelinated. True / False?

Answer 20

True

Question 21

Damage to any part of the olfactory system may result in_______ or _________.

Answer 21

Hyposmia or anosmia.

Question 22

Damage to the olfactory system may cause total loss of smell, which is known as _________.

Answer 22

Anosmia