Neuroscience Week 6: Olfactory

Question 1

Identify

Answer 1

Question 2

Identify

Answer 2

Question 3

olfactory neuron neurogenesis

Answer 3

constantly being replaced throughout life

Question 4

Olfactory neuron receptor types

Answer 4

over 1000 types of receptors

Question 5

Olfaction pathway

Answer 5

Primary: CN I from olfactory neurons

Secondary: Mitral cell on the other side of the cribriform plate

tertiary: primary olfactory area in the medial temporal lobe

Question 6

Olfactory bulb and olfactory tract

Answer 6

mitral cell bodies and their axons

Question 7

Temporal lobe epilepsy can be associated with

Answer 7

olfactory hallucinations

Question 8

Unlike other senses, olfactory signals reach the ___________ without passing through the __________.

Answer 8

• Cerbebral cortex
• Thalamus

Question 9

Olfaction is bilateral/unilateral?

Answer 9

Unilateral

Question 10

Auditory is bilateral/unilateral?

Answer 10

Bilateral

Question 11

Gustatory is bilateral/unilateral?

Answer 11

unilateral

Question 12

Identify CN, Function, Type and Mnemonic

Answer 12

Question 13

Smell disorders

3 listed

Answer 13

• Anosmia
• Hyposmia
• Dysosmia

Question 14

Smell disorders common causes

11 listed

Answer 14

• Aging
• sinus and other upper respiratory infections
• smoking
• growths in the nasal cavities
• head injury
• hormonal disturbances
• dental problems
• exposure to certain chemicals, such as insecticides and solvents
• Numerous medications, including some common antibiotics and antihistamines
• radiation for treatment of head and neck cancers
• Neurodegenerative disorders, such as Parkinson’s, Alzheimer’s

Question 15

Fill in table

Answer 15