Olfactory Nerve

Question 1

Primary sensory neurons of the olfactory nerve are made of what type of neurons?

Answer 1

Bipolar neurons

Question 2

Olfactory epithelium lining are found in which portion of the skull?

Answer 2

superior part of the nasal cavity/conchae

Question 3

Olfactory“hairs” are used functionally as what in olfaction?

Answer 3

Receptors

Question 4

Olfactory neuron axons are unmyelinated, however they are covered by what material?

Answer 4

Schwann cells

Question 5

Olfactory nerves pass through which openings of what bone?

Answer 5

cribriform plate, part of the ethmoid bone

Question 6

Central processes (axons) collected into 10 to 20 olfactory nerves that convey information to what structure?

Answer 6

Olfactory Bulb

Question 7

What are the secondary sensory neurons of the olfactory nerve are called?

Answer 7

Mitral cells

Question 8

Mitral cell bodies are located where?

Answer 8

In olfactory bulb

Question 9

Mitral cells relay information in which direction?

Answer 9

Posterior via the olfactory tract

Question 10

Olfaction does have which significant relay center in sensing smell?

Answer 10

Thalamus

Question 11

Medial stria fibers cross at which portion of the commissure?

Answer 11

midline via the anterior commissure and travel to the opposite olfactory bulb

Question 12

Which stria carry a fibers carry information to the primary olfactory cortex; the periamygdaloid and prepiriform area?

Answer 12

Lateral Stria

Question 13

Uncus and parahippocampal gyrus are also known as which Broadman’s Areas?

Answer 13

34 & 28 (respectively)