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Orofacial Neurobiology - Lecture 04
Taste & Olfaction
24
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Professional
03/29/2012

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Term
In 2007, Radfar et al published a study on ~1000 patients at this institution, examining how many of them had medical conditions and of what type they had.
Definition
UBSDM
Term
This was the average age of the population in Radfar's study.
Definition
52
Term
Of the patients in the study, this percent reported at least one medical condition.
Definition
54%
Term

In the study, ________ diseases were reported

by _____% or more of the dental

school patients.

Definition
Nine; 5
Term
List the three most commonly reported medical conditions in order from 1-3.
Definition

1. Hypertension

2. Allergy

3. Endocrine

Term

In the study, _______ classes of drugs

were reported by _____% or

more of SDM patients.

Definition
Eight; 5
Term

List the three most commonly reported drugs taken in order from 1-3.

Definition
Pain; Hypertension; Anti-depression
Term

Over _____% of SDM patients reported

having _____ medical conditions,

being over _____ years old, “and”

using _____ drugs.

Definition
50; one or more; 50; one or more
Term
Dentists must understand the difference between disease and drugs reported. Give an example.
Definition
Patients on anti-hypertensive medication will often say they do not have hypertension (it is controlled by the drug).
Term
Some dental procedures, as well as many drugs, are reported to cause dysfunction of ________.
Definition
Taste and Smell
Term

Which of the following is not a common cause of taste & smell dysfunction:

1. Oral and Perioral lesions

2. Bell's Palsy

3. Sjörgen's Syndrome

4. Oral Appliances

Age

Definition
3. Sjörgen's Syndrome
Term

Which of the following does not cause taste & smell dysfunction:

1. Psychiatric conditions

2. Anemia

3. Multiple Sclerosis

4. Endocrine disorders

Definition
2. Anemia
Term
T/F: Most complaints about taste are, in fact, about flavor.
Definition
True
Term
Men reach their peak ability to smell in this age range.
Definition
20-39
Term

Women reach their peak ability to smell in this age range.

Definition
10-19
Term
T/F: Men have a stronger sense of smell than women.
Definition
False. Women have the stronger sense of smell.
Term
In order to be detectable by the olfactory nerves, a compound must be ________ (in order to reach the nerves) as well as partially ________-soluble and partially ________-soluble.
Definition
Volatile; water; lipid
Term
T/F: Sense of smell decreases with age.
Definition
True
Term
T/F: There are at 100s, perhaps 1000s, of primary sensations in olfaction.
Definition
True
Term
T/F: Maximum intesity of smell often takes 100x threshold levels (i.e. large range from threshold to saturation).
Definition
False. There is a small range from threshold to saturation (e.g. 10-50x threshold levels).
Term

List the location of the 1st relay neuron in:

1. Olfaction

2. Taste

Definition

1. Olfactory bulb

2. Nucleus solitary tract

Term
T/F: Taste diminishes with age.
Definition
False
Term

List the cell cycle duration in:

1. Olfaction

2. Taste

Definition

1. 30 days

2. 10 days

Term
T/F: Taste and olfaction have use neurons to travel to the thalamus.
Definition
True. Although some of the olfactory neurons travel directly to the cortex.
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