After Entering a Room of Chemical Fog,a 20-Year-Old Male Cannot

question 26

Multiple Choice

After entering a room of chemical fog,a 20-year-old male cannot stop sneezing.Which of the following structures is primarily responsible for his sneezing?

• A) Upper respiratory tract mucosa
• B) Irritant receptors in the trachea and large airways
• C) Irritant receptors in the nostrils
• D) Upper respiratory nasal hairs and turbinates

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Definitions:

Salivates

The process of producing saliva, a digestive fluid, in response to the presence of food or the anticipation of eating.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually comes to trigger a conditioned response in a subject.

Operant Stimulus

A stimulus that follows a behavior and increases the likelihood that the behavior will be repeated.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any need for learning.